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  Subjects -> ENGINEERING (Total: 2431 journals)
    - CHEMICAL ENGINEERING (210 journals)
    - CIVIL ENGINEERING (203 journals)
    - ELECTRICAL ENGINEERING (112 journals)
    - ENGINEERING (1271 journals)
    - ENGINEERING MECHANICS AND MATERIALS (402 journals)
    - HYDRAULIC ENGINEERING (57 journals)
    - INDUSTRIAL ENGINEERING (77 journals)
    - MECHANICAL ENGINEERING (99 journals)

CIVIL ENGINEERING (203 journals)                  1 2 | Last

Showing 1 - 200 of 203 Journals sorted alphabetically
ACI Structural Journal     Full-text available via subscription   (Followers: 20)
Acta Polytechnica : Journal of Advanced Engineering     Open Access   (Followers: 3)
Acta Structilia : Journal for the Physical and Development Sciences     Open Access   (Followers: 2)
Advances in Civil Engineering     Open Access   (Followers: 39)
Advances in Structural Engineering     Full-text available via subscription   (Followers: 32)
Agregat     Open Access   (Followers: 1)
Ambiente Construído     Open Access   (Followers: 1)
American Journal of Civil Engineering and Architecture     Open Access   (Followers: 34)
Architectural Engineering     Open Access   (Followers: 5)
Archives of Civil and Mechanical Engineering     Full-text available via subscription   (Followers: 3)
Archives of Civil Engineering     Open Access   (Followers: 12)
Archives of Hydro-Engineering and Environmental Mechanics     Open Access   (Followers: 2)
ATBU Journal of Environmental Technology     Open Access   (Followers: 4)
Australian Journal of Structural Engineering     Full-text available via subscription   (Followers: 6)
Baltic Journal of Road and Bridge Engineering     Open Access   (Followers: 1)
BER : Building and Construction : Full Survey     Full-text available via subscription   (Followers: 10)
BER : Building Contractors' Survey     Full-text available via subscription   (Followers: 2)
BER : Building Sub-Contractors' Survey     Full-text available via subscription   (Followers: 2)
BER : Survey of Business Conditions in Building and Construction : An Executive Summary     Full-text available via subscription   (Followers: 3)
Bioinspired Materials     Open Access   (Followers: 5)
Bridge Structures : Assessment, Design and Construction     Hybrid Journal   (Followers: 14)
Building & Management     Open Access   (Followers: 1)
Building and Environment     Hybrid Journal   (Followers: 15)
Building Women     Full-text available via subscription  
Built Environment Project and Asset Management     Hybrid Journal   (Followers: 14)
Bulletin of Pridniprovsk State Academy of Civil Engineering and Architecture     Open Access   (Followers: 6)
Canadian Journal of Civil Engineering     Hybrid Journal   (Followers: 13)
Case Studies in Engineering Failure Analysis     Open Access   (Followers: 6)
Case Studies in Nondestructive Testing and Evaluation     Open Access   (Followers: 11)
Case Studies in Structural Engineering     Open Access   (Followers: 9)
Cement and Concrete Composites     Hybrid Journal   (Followers: 20)
Challenge Journal of Concrete Research Letters     Open Access   (Followers: 3)
Challenge Journal of Structural Mechanics     Open Access   (Followers: 6)
Change Over Time     Full-text available via subscription   (Followers: 2)
Civil and Environmental Engineering     Open Access   (Followers: 8)
Civil And Environmental Engineering Reports     Open Access   (Followers: 7)
Civil and Environmental Research     Open Access   (Followers: 17)
Civil Engineering = Siviele Ingenieurswese     Full-text available via subscription   (Followers: 4)
Civil Engineering and Architecture     Open Access   (Followers: 22)
Civil Engineering and Environmental Systems     Hybrid Journal   (Followers: 3)
Civil Engineering and Technology     Open Access   (Followers: 12)
Civil Engineering Dimension     Open Access   (Followers: 10)
Civil Engineering Infrastructures Journal     Open Access   (Followers: 1)
Cohesion and Structure     Full-text available via subscription   (Followers: 2)
Composite Structures     Hybrid Journal   (Followers: 284)
Computer-aided Civil and Infrastructure Engineering     Hybrid Journal   (Followers: 11)
Computers & Structures     Hybrid Journal   (Followers: 38)
Concrete Research Letters     Open Access   (Followers: 7)
Construction Economics and Building     Open Access   (Followers: 4)
Construction Engineering     Open Access   (Followers: 11)
Construction Management and Economics     Hybrid Journal   (Followers: 22)
Construction Science     Open Access   (Followers: 5)
Constructive Approximation     Hybrid Journal  
Curved and Layered Structures     Open Access   (Followers: 3)
DFI Journal : The Journal of the Deep Foundations Institute     Hybrid Journal   (Followers: 1)
Earthquake Engineering and Structural Dynamics     Hybrid Journal   (Followers: 17)
Enfoque UTE     Open Access   (Followers: 4)
Engineering Project Organization Journal     Hybrid Journal   (Followers: 7)
Engineering Structures     Hybrid Journal   (Followers: 13)
Engineering Structures and Technologies     Open Access   (Followers: 2)
Engineering, Construction and Architectural Management     Hybrid Journal   (Followers: 10)
Environmental Geotechnics     Hybrid Journal   (Followers: 5)
European Journal of Environmental and Civil Engineering     Hybrid Journal   (Followers: 9)
Fatigue & Fracture of Engineering Materials and Structures     Hybrid Journal   (Followers: 17)
Frontiers in Built Environment     Open Access  
Frontiers of Structural and Civil Engineering     Hybrid Journal   (Followers: 6)
Geomaterials     Open Access   (Followers: 3)
Geosystem Engineering     Hybrid Journal   (Followers: 1)
Geotechnik     Hybrid Journal   (Followers: 3)
Géotechnique Letters     Hybrid Journal   (Followers: 7)
GISAP : Technical Sciences, Construction and Architecture     Open Access  
HBRC Journal     Open Access   (Followers: 2)
Hormigón y Acero     Full-text available via subscription  
HVAC&R Research     Hybrid Journal  
Indonesian Journal of Urban and Environmental Technology     Open Access  
Indoor and Built Environment     Hybrid Journal   (Followers: 2)
Infrastructure Asset Management     Hybrid Journal   (Followers: 3)
Infrastructures     Open Access  
Ingenio Magno     Open Access   (Followers: 1)
Insight - Non-Destructive Testing and Condition Monitoring     Full-text available via subscription   (Followers: 30)
International Journal for Service Learning in Engineering     Open Access  
International Journal of 3-D Information Modeling     Full-text available via subscription   (Followers: 3)
International Journal of Advanced Structural Engineering     Open Access   (Followers: 17)
International Journal of Civil, Mechanical and Energy Science     Open Access   (Followers: 2)
International Journal of Concrete Structures and Materials     Open Access   (Followers: 15)
International Journal of Condition Monitoring     Full-text available via subscription   (Followers: 2)
International Journal of Construction Engineering and Management     Open Access   (Followers: 10)
International Journal of Geo-Engineering     Open Access   (Followers: 3)
International Journal of Geosynthetics and Ground Engineering     Full-text available via subscription   (Followers: 4)
International Journal of Masonry Research and Innovation     Hybrid Journal   (Followers: 1)
International Journal of Pavement Research and Technology     Open Access   (Followers: 6)
International Journal of Protective Structures     Hybrid Journal   (Followers: 6)
International Journal of Steel Structures     Hybrid Journal   (Followers: 2)
International Journal of Structural Engineering     Hybrid Journal   (Followers: 8)
International Journal of Structural Integrity     Hybrid Journal   (Followers: 2)
International Journal of Structural Stability and Dynamics     Hybrid Journal   (Followers: 7)
International Journal of Sustainable Built Environment     Open Access   (Followers: 5)
International Journal of Sustainable Construction Engineering and Technology     Open Access   (Followers: 8)
International Journal on Pavement Engineering & Asphalt Technology     Open Access   (Followers: 7)
International Journal Sustainable Construction & Design     Open Access   (Followers: 1)
Journal of Applied Research in Water and Wastewater     Open Access  
Journal of Bridge Engineering     Full-text available via subscription   (Followers: 14)
Journal of Building Engineering     Hybrid Journal   (Followers: 1)
Journal of Building Materials and Structures     Open Access   (Followers: 2)
Journal of Building Performance Simulation     Hybrid Journal   (Followers: 6)
Journal of Civil Engineering     Open Access  
Journal of Civil Engineering and Construction Technology     Open Access   (Followers: 15)
Journal of Civil Engineering and Management     Open Access   (Followers: 7)
Journal of Civil Engineering and Science     Open Access   (Followers: 9)
Journal of Civil Engineering Research     Open Access   (Followers: 7)
Journal of Civil Engineering, Science and Technology     Open Access   (Followers: 1)
Journal of Civil Society     Hybrid Journal   (Followers: 5)
Journal of Civil Structural Health Monitoring     Hybrid Journal   (Followers: 4)
Journal of Composites     Open Access   (Followers: 78)
Journal of Composites for Construction     Full-text available via subscription   (Followers: 13)
Journal of Computing in Civil Engineering     Full-text available via subscription   (Followers: 24)
Journal of Construction Engineering     Open Access   (Followers: 9)
Journal of Construction Engineering and Management     Full-text available via subscription   (Followers: 18)
Journal of Constructional Steel Research     Hybrid Journal   (Followers: 6)
Journal of Earth Sciences and Geotechnical Engineering     Open Access   (Followers: 4)
Journal of Fluids and Structures     Hybrid Journal   (Followers: 6)
Journal of Frontiers in Construction Engineering     Open Access   (Followers: 2)
Journal of Green Building     Full-text available via subscription   (Followers: 10)
Journal of Highway and Transportation Research and Development (English Edition)     Full-text available via subscription   (Followers: 14)
Journal of Infrastructure Systems     Full-text available via subscription   (Followers: 19)
Journal of Legal Affairs and Dispute Resolution in Engineering and Construction     Full-text available via subscription   (Followers: 5)
Journal of Marine Science and Engineering     Open Access   (Followers: 1)
Journal of Materials and Engineering Structures     Open Access   (Followers: 5)
Journal of Materials in Civil Engineering     Full-text available via subscription   (Followers: 8)
Journal of Nondestructive Evaluation     Hybrid Journal   (Followers: 9)
Journal of Performance of Constructed Facilities     Full-text available via subscription   (Followers: 3)
Journal of Pipeline Systems Engineering and Practice     Full-text available via subscription   (Followers: 6)
Journal of Rehabilitation in Civil Engineering     Open Access   (Followers: 3)
Journal of Solid Waste Technology and Management     Full-text available via subscription   (Followers: 1)
Journal of Structural Engineering     Full-text available via subscription   (Followers: 36)
Journal of Structural Fire Engineering     Full-text available via subscription   (Followers: 6)
Journal of Structural Mechanics     Open Access  
Journal of Structures     Open Access   (Followers: 4)
Journal of Sustainable Design and Applied Research in Innovative Engineering of the Built Environment     Open Access   (Followers: 1)
Journal of the Civil Engineering Forum     Open Access  
Journal of the South African Institution of Civil Engineering     Open Access   (Followers: 2)
Journal of Water and Environmental Nanotechnology     Open Access  
Journal of Water and Wastewater / Ab va Fazilab     Open Access  
Jurnal Spektran     Open Access   (Followers: 1)
Jurnal Teknik Sipil     Open Access  
Jurnal Teknik Sipil dan Perencanaan     Open Access   (Followers: 1)
Konstruksia     Open Access  
KSCE Journal of Civil Engineering     Hybrid Journal   (Followers: 2)
Latin American Journal of Solids and Structures     Open Access   (Followers: 4)
Materiales de Construcción     Open Access   (Followers: 1)
Mathematical Modelling in Civil Engineering     Open Access   (Followers: 4)
Media Komunikasi Teknik Sipil     Open Access  
Mokslas – Lietuvos ateitis / Science – Future of Lithuania     Open Access  
Nondestructive Testing And Evaluation     Hybrid Journal   (Followers: 15)
npj Materials Degradation     Open Access  
Obras y Proyectos     Open Access   (Followers: 1)
Open Journal of Civil Engineering     Open Access   (Followers: 9)
Photonics and Nanostructures - Fundamentals and Applications     Hybrid Journal   (Followers: 3)
Practice Periodical on Structural Design and Construction     Full-text available via subscription   (Followers: 3)
Proceedings of the Institution of Civil Engineers - Bridge Engineering     Hybrid Journal   (Followers: 8)
Proceedings of the Institution of Civil Engineers - Civil Engineering     Hybrid Journal   (Followers: 14)
Proceedings of the Institution of Civil Engineers - Management, Procurement and Law     Hybrid Journal   (Followers: 9)
Proceedings of the Institution of Civil Engineers - Municipal Engineer     Hybrid Journal   (Followers: 2)
Proceedings of the Institution of Civil Engineers - Structures and Buildings     Hybrid Journal   (Followers: 3)
Promet : Traffic &Transportation     Open Access  
Random Structures and Algorithms     Hybrid Journal   (Followers: 5)
Recent Trends In Civil Engineering & Technology     Full-text available via subscription   (Followers: 5)
Research in Nondestructive Evaluation     Hybrid Journal   (Followers: 6)
Resilience     Open Access   (Followers: 1)
Revista IBRACON de Estruturas e Materiais     Open Access   (Followers: 1)
Road Materials and Pavement Design     Hybrid Journal   (Followers: 11)
Russian Journal of Nondestructive Testing     Hybrid Journal   (Followers: 5)
Science and Engineering of Composite Materials     Hybrid Journal   (Followers: 61)
Selected Scientific Papers - Journal of Civil Engineering     Open Access   (Followers: 3)
Slovak Journal of Civil Engineering     Open Access   (Followers: 2)
Soils and foundations     Full-text available via subscription   (Followers: 5)
Steel Construction - Design and Research     Hybrid Journal   (Followers: 3)
Structural and Multidisciplinary Optimization     Hybrid Journal   (Followers: 10)
Structural Concrete     Hybrid Journal   (Followers: 11)
Structural Control and Health Monitoring     Hybrid Journal   (Followers: 8)
Structural Engineering International     Full-text available via subscription   (Followers: 11)
Structural Mechanics of Engineering Constructions and Buildings     Open Access   (Followers: 1)
Structural Safety     Hybrid Journal   (Followers: 6)
Structural Survey     Hybrid Journal  
Structure     Full-text available via subscription   (Followers: 24)
Structure and Infrastructure Engineering: Maintenance, Management, Life-Cycle Design and Performance     Hybrid Journal   (Followers: 12)
Structures     Hybrid Journal   (Followers: 1)
Study of Civil Engineering and Architecture     Open Access   (Followers: 10)
Superlattices and Microstructures     Hybrid Journal   (Followers: 2)
Surface Innovations     Hybrid Journal  
Technical Report Civil and Architectural Engineering     Open Access   (Followers: 1)
Teknik     Open Access  
Territorium : Revista Portuguesa de riscos, prevenção e segurança     Open Access  
The IES Journal Part A: Civil & Structural Engineering     Hybrid Journal   (Followers: 6)
The Structural Design of Tall and Special Buildings     Hybrid Journal   (Followers: 5)
Thin Films and Nanostructures     Full-text available via subscription   (Followers: 2)
Thin-Walled Structures     Hybrid Journal   (Followers: 4)
Transactions of the VŠB - Technical University of Ostrava. Construction Series     Open Access   (Followers: 1)
Transportation Geotechnics     Full-text available via subscription   (Followers: 1)
Transportation Infrastructure Geotechnology     Hybrid Journal   (Followers: 8)

        1 2 | Last

Journal Cover
International Journal of Steel Structures
Journal Prestige (SJR): 0.59
Citation Impact (citeScore): 1
Number of Followers: 2  
 
  Hybrid Journal Hybrid journal (It can contain Open Access articles)
ISSN (Print) 1598-2351 - ISSN (Online) 2093-6311
Published by Springer-Verlag Homepage  [2351 journals]
  • Ultimate Strength of 10 MW Wind Turbine Tower Considering Opening,
           Stiffener, and Initial Imperfection
    • Authors: Ralph Raymond Santos; Sung-Jun Cho; Jong-Sup Park
      Abstract: This paper evaluates the effects of door opening, collar stiffener, and initial imperfection on the ultimate strength of a 10 MW wind tower. The lower segment of the tower was modeled to investigate the ultimate strength using steel cylindrical shell elements of finite element program ABAQUS. The wind tower was classified into three categories; without opening nor stiffener (C1), with opening but no stiffener (C2), and with opening and stiffener (C3). The C2 and C3 were further divided into long axis and short axis categories depending on the position of the opening. Result from linear and nonlinear analyses shows that the bigger the opening the bigger the reduction in strength and the same thing goes for the initial imperfection ratio or ovality of the shell. Also, there is a significant decreased in strength as the initial imperfection ratio increases by as high as 18.08%.
      PubDate: 2018-07-11
      DOI: 10.1007/s13296-018-0124-9
       
  • Experimental Study and Numerical Analysis on the Progressive Collapse
           Resistance of SCMS
    • Authors: Hua Huang; Yaoqiang Xian; Kailin Xi; Boquan Liu
      Abstract: With the Spokewise Cable-Membrane Structure (SCMS) of Foshan Century Lotus Sports Center (FCLSC) as the engineering background, this study analyzes the influence of the structure’s local cable damage on its holistic resistant behavior and investigates the resistance of SCMS against progressive collapse by means of scale model tests and ANSYS finite element analysis. Results indicate that SCMS exhibits good resistance against progressive collapse. After the upper radial cables or the lower radial cables break, their borne load is passed to the connected cables. Thus the collapse can be restricted within a limited area through the deformation and stress relaxation of the adjacent cables. In the design process, the cable system is divided into a finite number of partitions, and double cables could be used at the junctions of different partitions to better control the damaged area. The inverted Y-type or the polystyle pier column should be chosen to enhance the resilience after collision or explosion.
      PubDate: 2018-07-10
      DOI: 10.1007/s13296-018-0123-x
       
  • Low-Cycled Hysteresis Characteristics of Circular Hollow Steel Damper
           Subjected to Inelastic Behavior
    • Authors: Daniel Y. Abebe; Jin Woo Kim; Gyumyong Gwak; Jae Hyouk Choi
      Abstract: This study aims to evaluate hysteresis response behavior of circular hollow steel damper (CHSD). Steel dampers are a type of passive dampers and commonly used for seismic dissipation in civil engineering structures. Steel dampers are widely used for seismic energy dissipation because they are easy to install, maintain and they are also inexpensive. CHSD is among steel dampers which dissipates seismic energy through metallic deformation and geometrical elasticity of circular shape and fatigue resistance around welded connection to the end plates. Finite element analysis was conducted in order to evaluate the hysteresis characteristics and low cycle fatigue behavior of CHSD using failure index. To verify the analysis simulation quasi static loading was conducted and the result was compared and satisfactory result was obtained.
      PubDate: 2018-07-09
      DOI: 10.1007/s13296-018-0097-8
       
  • Seismic Behavior Investigation of the Corrugated Steel Shear Walls
           Considering Variations of Corrugation Geometrical Characteristics
    • Authors: Alireza Farzampour; Iman Mansouri; Jong Wan Hu
      Abstract: The corrugated steel plate shear walls have recently been proposed to address the seismic issues associated with simple steel plate shear walls; however, stiffness, strength, and ductility of the corrugated shear walls are significantly affected by varying the corrugation geometry under seismic loading. The present study investigates steel shear walls’ models with corrugated or simple infill plates subjected to monotonic and cyclic loads. The performance of the corrugated steel plate is evaluated and then compared to that of the simple steel plates by evaluating the damping ratios and energy dissipation capability. The effect of corrugation profile angle, the existence of an opening, and the corrugation subpanel length are numerically investigated after validation of the finite element modeling methodology. The results demonstrate that incorporating corrugated plates would lead to better seismic damping ratios, specifically in the case of opening existence inside of the infill plate. Specifically, the corrugation angle of 30° decreases the ultimate strength, while increasing the initial stiffness and ductility. In addition, the subpanel length of 100 mm is found to be able to improve the overall performance of shear wall by providing each subpanel appropriate support for the adjacent subpanel, leading to a sufficient buckling resistance performance.
      PubDate: 2018-07-07
      DOI: 10.1007/s13296-018-0121-z
       
  • Experimental Study and Numerical Simulation of G550 High Strength
           Cold-Formed Steel Z-Section Members Under Pure Bending and Moment Gradient
           
    • Authors: Jin-you Zhao; Cheng Yu
      Abstract: This paper presents a series of bending tests performed on G550 high strength cold-formed steel Z-section members under pure bending and moment gradient. In tests, failure resulted from distortional buckling or the interaction between local and distortional buckling. The test results indicated that the bending strength for moment gradient is greater than that for pure bending. The increasing magnitude is closely bound up with the member’s buckling modes since moment gradient has a significant effect on distortional buckling but has a minor effect on local buckling. Moreover, finite element analysis was applied to verify the tests and the numerical results agree well with test data according to bending strength and failure modes. Furthermore, the test results were compared with the Direct Strength Method (DSM) formulas stipulated in AISI (2016), and it is found that the DSM provides a good agreement with the bending strength for distortional buckling but provides unconservative predictions for the bending strength for interaction between local and distortional buckling.
      PubDate: 2018-07-07
      DOI: 10.1007/s13296-018-0118-7
       
  • Parametric Study of Weak-Axis Beam-to-Column Composite Connections with
           Asymmetrical Reduced Beam Section
    • Authors: Yinglu Xu; Linfeng Lu; Hong Zheng
      Abstract: To evaluate the effectiveness of the asymmetrical steel beam section and reduced beam section (RBS), this paper presents a parametric study on weak-axis beam-to-column composite connections with asymmetrical reduced beam section subjected to horizontal cyclic loading. After validating the accuracy of the finite element modeling through comparing to the experimental results, a total of 29 refined tridimensional models for four series were created for parametric analysis. The load–displacement and moment–rotation relationships, the Mises index, triaxiality index and rupture index distribution across the width of the flange welds for each connection were reported. A smaller steel beam top and bottom flange width ratio α could alleviate the adverse effect of the composite action. The parametric analysis about the geometrical variables of RBS confirms the need for readjustment of the geometrical characteristics of the RBS in order to apply to the proposed weak-axis profiles. For design purposes, the parameter a, the distance from the skin plate to the reduced region, can be set to (0.65–0.9) bbf; the parameter b, the length of the reduced region, can be set to b = (0.65–0.90) db; the parameter c, the maximum reduction depth of beam bottom flange, can be set to 0.20 bbf, where bbf and db are the beam bottom flange width and beam depth respectively.
      PubDate: 2018-07-06
      DOI: 10.1007/s13296-018-0120-0
       
  • Numerical Study on the Impact of Out-of-Plane Eccentricity on Lateral
           Behavior of Concentrically Braced Frames
    • Authors: S. M. Zahrai; H. Bolandi
      Abstract: This study presents a numerical evaluation of lateral performance of Concentrically Braced Frames (CBFs), assembled with unwanted out-of-plane eccentricity at the connection of their braces. Nonlinear analyses are performed on one-bay, two-story steel single diagonal CBF. Static pushover and cyclic analyses are carried out to show the impact of such out-of-plane eccentricity. Finite element modeling of the whole members, validated with experimental results, is taken into account. Fine meshes are used in regions where inelastic deformations are expected. The results indicate that constructional defect due to out-of-plane eccentricity decreases the maximum strength of the frame compared to a perfect model. Applying cyclic loads to the eccentric model leads to a decrease in energy dissipation. Adding web stiffeners to column of eccentric models is effective to compensate the strength loss. Finally based on obtained results, such unwanted out-of-plane eccentricity has negative effects on lateral behavior depending on the geometric properties of the frame and bracing configuration.
      PubDate: 2018-07-05
      DOI: 10.1007/s13296-018-0119-6
       
  • Optimal Formation Assessment of Multi-layered Ground Retrofit with
           Arch-Grid Units Considering Buckling Load Factor
    • Authors: Quoc Hoan Doan; Dongkyu Lee
      Abstract: This study presents an optimal shape generation method of local steel unit plates in arch-grid structures by using buckling load factor. ETABS software is utilized for a computational modeling of arch-grid to consider buckling analysis. According to the present optimal shape generation method, first, some shape types of a horizontal unit cell plate of arch-grid are assumed as initial designs. Second, they are analyzed through ETABS in terms of their buckling capacities. At the same time, appropriate vertical column bar sizes are achieved with respect to maximal stress of steel material and buckling load factor. Third, the generated arch-grid are combined to achieve optimal conditions of width and height of a given arch-grid structure, which shows the best structural feasibility to resist a given building. The arch-grid structure is extended by considering four different cases: a combined grid, an extended grid, a multi-story grid and a pyramid grid to verify the effectiveness of the present optimal shape generation method of steel arch-grid as numerical examples.
      PubDate: 2018-07-04
      DOI: 10.1007/s13296-018-0115-x
       
  • In-Plane Compression Behaviour of Steel Profile Sheets
    • Authors: R. S. Priyanga; Raghavan Ramalingam
      Abstract: This study explores the in-plane strength of steel profile sheets and their application as load-bearing panels. The sheets are tested for concentric compression and compression with nominal eccentricity to account for possible eccentricities in load transfer. The compressive strength results obtained from the tests indicate the ultimate strengths and the failure modes of steel profile sheets. The failure modes observed also conform to the expected failure modes in thin walled steel sections. The relevance and application of various design codes to steel profile sheets are compared with the test results. The codes considered include IS 801-1975, EN 1993-1-3-2006, and the direct strength method from AISI-S100-2007. The predictions from design standards appear to be conservative which may be due to the continuous stiffened elements in profile sheets. The current study is limited to sheets of a single type of profile and thickness.
      PubDate: 2018-07-02
      DOI: 10.1007/s13296-018-0116-9
       
  • Catenary Equation-Based Approach for Force Finding of Cable Domes
    • Authors: Zhengrong Jiang; Xiaowei Liu; Kairong Shi; Quanpan Lin; Zijian Zhang
      Abstract: Cable forces along the cable length direction vary with deadweight. An invariant that is horizontal component force along the cable length, is introduced to characterize prestress distribution of cable domes. A new approach named catenary equation-based component force balancing method, is proposed for force finding. In the method, the relationship between the form and the horizontal component force of the cable is determined according to catenary equation of the cable. Based on the horizontal component force of one cable, the horizontal component forces of other cables can be solved from the nodal equilibrium relationship. Take the Geiger cable dome as an example, the results of force finding show that the proposed method has clear mechanical concept, high calculation accuracy and simple solving process. Thus, it can provide a new general idea for force finding of cable domes. In addition, the difference of the results of force finding is large between with deadweight considered and with deadweight ignored. Therefore, deadweight should be considered during the prestress design of cable domes.
      PubDate: 2018-06-30
      DOI: 10.1007/s13296-018-0117-8
       
  • Behavior of Partially Concrete Encased Steel Beams Under Cyclic Loading
    • Authors: Cheng-Cheng Chen; Teguh Sudibyo; Erwin
      Abstract: This paper presents an experimental study of the behavior of partially concrete encased steel beams (PE beams) under seismic loading. The effects of a floor slab in providing lateral and torsional support to the strength and ductility of the beam are also investigated herein. One steel beam and six PE beams were tested herein. The strength development in bare steel beam was insufficient and significant lateral torsional buckling (LTB) was observed. The concrete encasement of the PE beam delayed the occurrence of LTB and hence increased the strength and ductility of the beam. The plastic rotation capacity of PE beam is enhanced by the additional lateral and torsional support provided on the top of a PE beam. For the beam tested in this study, the concrete encasement permits the beam to reach its plastic strength and have plastic rotation of at least 3.42% rad, which is larger than 2% rad required for Intermediate Moment Frames, when no lateral or torsional support is provided at the top of the beam. To satisfy the 4% rad plastic rotation limitation for special moment frames, lateral support with sufficient torsional stiffness is needed.
      PubDate: 2018-06-29
      DOI: 10.1007/s13296-018-0114-y
       
  • Probabilistic Seismic Assessment of SMFs with Drilled Flange Connections
           Subjected to Near-Field Ground Motions
    • Authors: M. Maleki; R. Ahmady Jazany; M. S. Ghobadi
      Abstract: This paper aims to probabilistically evaluate the influences of drilled flange (DF) connection on seismic performance of steel moment frames (SMFs) incorporating near-field ground motions. Meanwhile, reduce beam section (RBS) connection as a prequalified connection and pre-Northridge welded unreinforced flange (WUF) connection were compared with DF connection. To model accurately the components of RBS and WUF connections and panel zone in SMFs, the proposed models of former researches were utilized. However, to simulate all DF connections the hinge properties were extracted from experimentally validated finite element models. Two sample low- and high-rise buildings were designed based on valid codes and simulated by OpenSees platform in order to study the nonlinear performance of aforementioned connections. Incremental dynamic analysis process was carried out to assess comprehensively the effect of DF connection on structural response and probability of structural instability for various intensity of seismic loads. Then, the seismic risk for Collapse Prevention and immediate occupancy limit states were calculated by fragility analysis. Also, seismic demand hazard curves for the sample buildings were extracted. The results of this study indicated that DF connections provided acceptable seismic performance as well as RBS connections in low- and high-rise buildings.
      PubDate: 2018-06-27
      DOI: 10.1007/s13296-018-0112-0
       
  • An Approach to Develop a Compact Transmission Line Tower with Special
           8-Legged Configuration
    • Authors: Veerendra K. Shukla; M. Selvaraj; R. Ramesh Babu
      Abstract: For transmission of electricity from power generation plant to substations, many types of structures are being used. The main function of these structures is to support the power conductors and earth-wire. 4-legged steel lattice tower is one of these structures, which is widely used for this purpose. The main drawback of a 4-legged lattice tower is its larger base width, which occupy very large area. Nowadays, in many countries, adequate land is not available to consider such large land occupying towers. In these situations, using monopoles became common practice. But the monopoles are much costlier than the 4-legged lattice towers. To avoid the use of monopoles and to reduce the base width at the same time, in the present work, an approach has been adopted to use a special lattice type structure with eight legs. A 220 kV multi-circuit suspension tower with 0°–2° deviation has been considered for present study. The detail explanations, like, tower geometry, load calculations, analysis and design of the proposed structure has been covered in the paper. It has been observed that land requirement can be considerably minimized by use of the proposed 8-legged tower. The cost of the 8-legged tower is slightly more than a 4-legged tower but much lesser than that of monopoles as the total weight of steel required is very less as compared to monopole. The results obtained from the study of the proposed tower have been compared with 4-legged tower and monopole. This paper discusses the feasibility of using the transmission line tower with 8-legs. The paper also discusses a comparative study of cost, right of way, height and base width of 4-legged tower, monopole and proposed 8-legged tower.
      PubDate: 2018-06-23
      DOI: 10.1007/s13296-018-0111-1
       
  • A Four-Variable First-Order Shear Deformation Theory Considering the
           Variation of In-plane Rotation of Functionally Graded Plates
    • Authors: Minwo Park; Dong-Ho Choi
      Abstract: This paper presents a four-variable first-order shear deformation theory considering in-plane rotation of functionally graded plates. In recent studies, a simple first-order shear deformation theory was developed and extended to functionally graded plates. It has only four variables, separating the deflection into bending and shear parts, while the conventional first-order shear deformation theory has five variables. However, this simple first-order shear deformation theory only provides good predictions for simply supported plates since it does not consider in-plane rotation varying through the thickness of the plates. The present theory also has four variables, but considers the variation of in-plane rotation such that it is able to correctly predict the responses of the plates with any boundary conditions. Analytical solutions are obtained for rectangular plates with various boundary conditions. Comparative studies demonstrate the effects of in-plane rotation and the accuracy of the present theory in predicting the responses of functionally graded plates.
      PubDate: 2018-06-23
      DOI: 10.1007/s13296-018-0107-x
       
  • Recommendations for Improved Welding Procedures for Thick Steel Plates
           Through Thermo-Mechanical Analysis
    • Authors: Omar A. Ibrahim; Dimitrios G. Lignos; Colin A. Rogers
      Abstract: Welding of steel plates is accompanied by residual stresses that increase as the constraint provided by the welded components becomes greater. Consequently, crack initiation has been reported after welding thick plates due to the high residual stresses developed by the welding procedure. This is further exacerbated by the higher likelihood of imperfections present in thick steel plates due to the rolling and cooling process. The research described herein aims to develop improved submerged arc welding (SAW) procedures to reduce the residual stresses for steel plates of thickness > 50 mm. Acceptance criteria are developed for discontinuities present in the steel plates prior to welding, to limit the probability of crack initiation. A parametric study of SAW procedure parameters was conducted utilizing a validated finite element model. Two welding procedures were recommended for thick steel plates. Discontinuity acceptance limits were also recommended for each welding procedure using a fracture toughness database and an expression developed to calculate the probability of a crack to initiate.
      PubDate: 2018-06-22
      DOI: 10.1007/s13296-018-0110-2
       
  • Dynamic Crushing Behaviors of Aluminum Foam Filled Energy Absorption
           Connectors
    • Authors: Yonghui Wang; Ximei Zhai
      Abstract: This paper presented the numerical studies on the dynamic crushing behaviors of the aluminum foam filled energy absorption connectors. The finite element (FE) model was firstly constructed and the accuracy of the FE model was verified by comparing the force–displacement curves from FE analyses with those from tests and analytical predictions. The numerical results revealed that the deformation mode of the connector under dynamic crushing evidently differed from that under quasi-static loading mainly due to the inertia effect. Besides, the energy absorption capacity was also improved when the dynamic crushing load was applied. Then, the parametric studies on the effects of crushing velocity–time history, angle between flat plate and pleated plate as well as pleated plate thickness on the energy absorption enhancements of the connectors were conducted. Based on the numerical results, two empirical equations were derived in terms of various parameters to predict the energy absorption enhancements of aluminum foam and pleated plate, which could be employed to obtain the force–displacement functions of the connectors under dynamic crushing.
      PubDate: 2018-06-22
      DOI: 10.1007/s13296-018-0113-z
       
  • Prediction of Bending Fatigue Life of Cracked Out-of-Plane Gusset Joint
           Repaired by CFRP Plates
    • Authors: Risa Matsumoto; Takafumi Komoto; Toshiyuki Ishikawa; Atsushi Hattori; Hirotaka Kawano
      Abstract: Carbon fiber reinforced polymer (CFRP), plates bonding repair method is one of the simple repair methods for cracked steel structures. In this study, the influence of width of CFRP plates on bending fatigue life of out-of-plane gusset joint strengthened with CFRP plates was investigated from the experimental and numerical point of view. In the bending fatigue test of cracked out-of-plane gusset joint strengthened with CFRP plates, the effect of width of CFRP plates on crack growth life was clarified experimentally. Namely, it was revealed that the crack growth life becomes larger with increasing the width of CFRP plates. In the numerical approach, the stress intensity factor (SIF) at the surface point of a semi-elliptical surface crack was estimated based on the linear fracture mechanics. Furthermore, the extended fatigue life of cracked out-of-plane gusset joint strengthened with CFRP plates was evaluated by using the estimated SIF at the surface point and the empirical formula of the aspect ratio of semi-elliptical crack. As the results of numerical analysis, the estimated fatigue life of the specimen strengthened with CFRP plates showed the good agreement with the test results.
      PubDate: 2018-06-21
      DOI: 10.1007/s13296-018-0106-y
       
  • Investigation of Live Load Deflection Limit for Steel Cable Stayed and
           Suspension Bridges
    • Authors: Ki-Jung Park; Do-Young Kim; Eui-Seung Hwang
      Abstract: Long span bridges such as steel cable stayed and suspension bridges are usually more flexible than short to medium span bridges and expected to have large deformations. Deflections due to live load for long span bridges are important since it controls the overall heights of the bridge for securing the clearance under the bridge and serviceability for securing the comfort of passengers or pedestrians. In case of sea-crossing bridges, the clearance of bridges is determined considering the height of the ship master from the surface of the water, the trim of the ship, the psychological free space, the tide height, and live load deflection. In the design of bridges, live load deflection is limited to a certain value to minimize the vibrations. However, there are not much studies that consider the live load deflection and its effects for long span bridges. The purpose of this study is to investigate the suitability of live load deflection limit and its actual effects on serviceability of bridges for steel cable-stayed and suspension bridges. Analytical study is performed to calculate the natural frequencies and deflections by design live load. Results are compared with various design limits and related studies by Barker et al. (2011) and Saadeghvaziri et al. (2012). Two long span bridges are selected for the case study, Yi Sun-Sin grand bridge (suspension bridge, main span length = 1545 m) and Young-Hung grand bridge (cable stayed bridge, main span length = 240 m). Long-term measured deflection data by GNSS system are collected from Yi Sun-Sin grand bridge and compared with the theoretical values. Probability of exceedance against various deflection limits are calculated from probability distribution of 10-min maximum deflection. The results of the study on the limitation of live load deflection are expected to be useful reference for the design, the proper planning and deflection review of the long span bridges around the world.
      PubDate: 2018-06-20
      DOI: 10.1007/s13296-018-0108-9
       
  • Fatigue Reliability Evaluation of Orthotropic Steel Bridge Decks Based on
           Site-Specific Weigh-in-Motion Measurements
    • Authors: Naiwei Lu; Yang Liu; Yang Deng
      Abstract: The fast-growing traffic loads may become a safety hazard for existing bridges especially in developing countries. One of the problems induced by heavy traffic loads is the fatigue damage accumulation of the welded joints in steel bridge decks. This study utilized a stochastic traffic flow model and a novel computational framework for estimating fatigue reliability of orthotropic steel bridge decks using site-specific traffic data. The stochastic traffic flow is demonstrated as an effective approach for converting the probabilistic characteristics of the site-specific traffic data into the fatigue stress spectrum modeling of steel bridge decks. In addition, the traffic growth and control measures can be considered in the stochastic traffic flow for lifetime fatigue reliability estimation of the bridge deck. The proposed computational framework involves a meta-model approximated by neural networks that can greatly reduce the computational effort. Orthotropic steel bridge decks in a long-span suspension bridge is chosen as prototype to illustrate the effective of the stochastic traffic flow model and the computational framework. Numerical results show the following conclusions: firstly, the efficiency and accuracy of the framework is associated with the number of training samples, where approximately 180 training samples is essential for training the 6-types of meta-models; secondly, a annual growth rate of the vehicle weight of 0.5% leads to the fatigue reliability index of the bridge in the 100th year decrease from 5.94 to 0.92. The numerical result may provide a theoretical basis for how to control overloaded trucks for ensuring the bridge safety.
      PubDate: 2018-06-20
      DOI: 10.1007/s13296-018-0109-8
       
  • A Methodology for Fatigue Reliability Assessment Considering Stress Range
           Distribution Truncation
    • Authors: Jun Yong Park; Yeun Chul Park; Ho-Kyung Kim
      Abstract: Not all loads contribute to fatigue crack propagation in the welded detail of steel bridges when they are subjected to variable amplitude loading. For fatigue assessment, therefore, non-contributing stress cycles should be truncated. However, stress range truncation is not considered during typical fatigue reliability assessment. When applying the first order reliability method, stress range truncation occurs mismatch between the expected number of cycles to failure and the number of cycles obtained at the time of evaluation, because the expected number of cycles only counts the stress cycles that contribute to fatigue crack growth. Herein, we introduce a calibration factor to coordinate the expected number of cycles to failure to the equivalent value which includes both contributing and non-contributing stress cycles. The effectiveness of stress range truncation and the proposed calibration factor was validated via case studies.
      PubDate: 2018-06-19
      DOI: 10.1007/s13296-018-0104-0
       
 
 
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