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  Subjects -> ENGINEERING (Total: 2268 journals)
    - CHEMICAL ENGINEERING (190 journals)
    - CIVIL ENGINEERING (183 journals)
    - ELECTRICAL ENGINEERING (103 journals)
    - ENGINEERING (1201 journals)
    - ENGINEERING MECHANICS AND MATERIALS (380 journals)
    - HYDRAULIC ENGINEERING (55 journals)
    - INDUSTRIAL ENGINEERING (67 journals)
    - MECHANICAL ENGINEERING (89 journals)

CIVIL ENGINEERING (183 journals)                     

Showing 1 - 183 of 183 Journals sorted alphabetically
ACI Structural Journal     Full-text available via subscription   (Followers: 17)
Acta Polytechnica : Journal of Advanced Engineering     Open Access   (Followers: 2)
Acta Structilia : Journal for the Physical and Development Sciences     Open Access   (Followers: 2)
Advances in Civil Engineering     Open Access   (Followers: 35)
Advances in Structural Engineering     Full-text available via subscription   (Followers: 28)
Ambiente Construído     Open Access   (Followers: 1)
American Journal of Civil Engineering and Architecture     Open Access   (Followers: 30)
Architectural Engineering     Open Access   (Followers: 4)
Archives of Civil and Mechanical Engineering     Full-text available via subscription   (Followers: 1)
Archives of Civil Engineering     Open Access   (Followers: 10)
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     Full-text available via subscription   (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: 4)
BER : Building Sub-Contractors' Survey     Full-text available via subscription   (Followers: 3)
BER : Survey of Business Conditions in Building and Construction : An Executive Summary     Full-text available via subscription   (Followers: 4)
Bioinspired Materials     Open Access   (Followers: 5)
Bridge Structures : Assessment, Design and Construction     Hybrid Journal   (Followers: 15)
Building and Environment     Hybrid Journal   (Followers: 15)
Building Women     Full-text available via subscription  
Built Environment Project and Asset Management     Hybrid Journal   (Followers: 15)
Bulletin of Pridniprovsk State Academy of Civil Engineering and Architecture     Open Access   (Followers: 6)
Canadian Journal of Civil Engineering     Hybrid Journal   (Followers: 12)
Case Studies in Engineering Failure Analysis     Open Access   (Followers: 8)
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: 17)
Challenge Journal of Concrete Research Letters     Open Access   (Followers: 2)
Challenge Journal of Structural Mechanics     Open Access   (Followers: 5)
Change Over Time     Full-text available via subscription   (Followers: 2)
Civil and Environmental Engineering     Open Access   (Followers: 7)
Civil And Environmental Engineering Reports     Open Access   (Followers: 5)
Civil and Environmental Research     Open Access   (Followers: 19)
Civil Engineering = Siviele Ingenieurswese     Full-text available via subscription   (Followers: 4)
Civil Engineering and Architecture     Open Access   (Followers: 17)
Civil Engineering and Environmental Systems     Hybrid Journal   (Followers: 3)
Civil Engineering and Technology     Open Access   (Followers: 10)
Civil Engineering Dimension     Open Access   (Followers: 8)
Cohesion and Structure     Full-text available via subscription   (Followers: 2)
Composite Structures     Hybrid Journal   (Followers: 266)
Computer-aided Civil and Infrastructure Engineering     Hybrid Journal   (Followers: 11)
Computers & Structures     Hybrid Journal   (Followers: 36)
Concrete Research Letters     Open Access   (Followers: 6)
Construction Economics and Building     Open Access   (Followers: 2)
Construction Engineering     Open Access   (Followers: 9)
Construction Management and Economics     Hybrid Journal   (Followers: 22)
Construction Science     Open Access   (Followers: 4)
Constructive Approximation     Hybrid Journal  
Curved and Layered Structures     Open Access   (Followers: 2)
DFI Journal : The Journal of the Deep Foundations Institute     Hybrid Journal   (Followers: 1)
Earthquake Engineering and Structural Dynamics     Hybrid Journal   (Followers: 16)
Enfoque UTE     Open Access   (Followers: 4)
Engineering Project Organization Journal     Hybrid Journal   (Followers: 7)
Engineering Structures     Hybrid Journal   (Followers: 13)
Engineering Structures and Technologies     Hybrid Journal   (Followers: 2)
Engineering, Construction and Architectural Management     Hybrid Journal   (Followers: 14)
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: 16)
Frattura ed Integrità Strutturale : Fracture and Structural Integrity     Open Access  
Frontiers in Built Environment     Open Access  
Frontiers of Structural and Civil Engineering     Hybrid Journal   (Followers: 6)
Geomaterials     Open Access   (Followers: 4)
Geosystem Engineering     Hybrid Journal   (Followers: 1)
Geotechnik     Hybrid Journal   (Followers: 3)
Géotechnique Letters     Hybrid Journal   (Followers: 6)
HBRC Journal     Open Access   (Followers: 2)
Hormigón y Acero     Full-text available via subscription  
HVAC&R Research     Hybrid Journal  
Indoor and Built Environment     Hybrid Journal   (Followers: 2)
Infrastructure Asset Management     Hybrid Journal   (Followers: 2)
Infrastructures     Open Access  
Ingenio Magno     Open Access   (Followers: 1)
Insight - Non-Destructive Testing and Condition Monitoring     Full-text available via subscription   (Followers: 22)
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: 16)
International Journal of Civil, Mechanical and Energy Science     Open Access   (Followers: 1)
International Journal of Concrete Structures and Materials     Open Access   (Followers: 14)
International Journal of Condition Monitoring     Full-text available via subscription   (Followers: 2)
International Journal of Construction Engineering and Management     Open Access   (Followers: 9)
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: 5)
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: 10)
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: 4)
International Journal of Sustainable Construction Engineering and Technology     Open Access   (Followers: 8)
International Journal on Pavement Engineering & Asphalt Technology     Open Access   (Followers: 6)
International Journal Sustainable Construction & Design     Open Access  
Journal of Bridge Engineering     Full-text available via subscription   (Followers: 15)
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 and Construction Technology     Open Access   (Followers: 12)
Journal of Civil Engineering and Management     Hybrid Journal   (Followers: 7)
Journal of Civil Engineering and Science     Open Access   (Followers: 7)
Journal of Civil Engineering Research     Open Access   (Followers: 6)
Journal of Civil Society     Hybrid Journal   (Followers: 4)
Journal of Civil Structural Health Monitoring     Hybrid Journal   (Followers: 4)
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: 7)
Journal of Construction Engineering and Management     Full-text available via subscription   (Followers: 19)
Journal of Constructional Steel Research     Hybrid Journal   (Followers: 8)
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: 11)
Journal of Highway and Transportation Research and Development (English Edition)     Full-text available via subscription   (Followers: 13)
Journal of Infrastructure Systems     Full-text available via subscription   (Followers: 21)
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: 10)
Journal of Nondestructive Evaluation     Hybrid Journal   (Followers: 11)
Journal of Performance of Constructed Facilities     Full-text available via subscription   (Followers: 4)
Journal of Pipeline Systems Engineering and Practice     Full-text available via subscription   (Followers: 7)
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: 40)
Journal of Structural Fire Engineering     Full-text available via subscription   (Followers: 6)
Journal of Sustainable Architecture and Civil Engineering     Open Access   (Followers: 3)
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: 4)
Jurnal Spektran     Open Access   (Followers: 1)
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  
Mathematical Modelling in Civil Engineering     Open Access   (Followers: 3)
Nondestructive Testing And Evaluation     Hybrid Journal   (Followers: 17)
Obras y Proyectos     Open Access   (Followers: 1)
Open Journal of Civil Engineering     Open Access   (Followers: 7)
Photonics and Nanostructures - Fundamentals and Applications     Hybrid Journal   (Followers: 2)
Practice Periodical on Structural Design and Construction     Full-text available via subscription   (Followers: 4)
Proceedings of the Institution of Civil Engineers - Bridge Engineering     Hybrid Journal   (Followers: 7)
Proceedings of the Institution of Civil Engineers - Civil Engineering     Hybrid Journal   (Followers: 11)
Proceedings of the Institution of Civil Engineers - Management, Procurement and Law     Hybrid Journal   (Followers: 8)
Proceedings of the Institution of Civil Engineers - Municipal Engineer     Hybrid Journal   (Followers: 3)
Proceedings of the Institution of Civil Engineers - Structures and Buildings     Hybrid Journal   (Followers: 4)
Random Structures and Algorithms     Hybrid Journal   (Followers: 5)
Research in Nondestructive Evaluation     Hybrid Journal   (Followers: 7)
Revista IBRACON de Estruturas e Materiais     Open Access   (Followers: 1)
Road Materials and Pavement Design     Hybrid Journal   (Followers: 10)
Russian Journal of Nondestructive Testing     Hybrid Journal   (Followers: 6)
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: 4)
Steel Construction - Design and Research     Hybrid Journal   (Followers: 3)
Structural and Multidisciplinary Optimization     Hybrid Journal   (Followers: 9)
Structural Concrete     Hybrid Journal   (Followers: 11)
Structural Control and Health Monitoring     Hybrid Journal   (Followers: 9)
Structural Engineering International     Full-text available via subscription   (Followers: 11)
Structural Safety     Hybrid Journal   (Followers: 7)
Structural Survey     Hybrid Journal  
Structure     Full-text available via subscription   (Followers: 23)
Structure and Infrastructure Engineering: Maintenance, Management, Life-Cycle Design and Performance     Hybrid Journal   (Followers: 13)
Structures     Hybrid Journal   (Followers: 1)
Study of Civil Engineering and Architecture     Open Access   (Followers: 8)
Superlattices and Microstructures     Hybrid Journal   (Followers: 2)
Surface Innovations     Hybrid Journal  
Technical Report Civil and Architectural Engineering     Open Access  
Teknik     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: 6)
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)
Underground Space     Open Access  
Water Science & Technology     Partially Free   (Followers: 25)
Water Science and Technology : Water Supply     Partially Free   (Followers: 22)

           

Journal Cover Canadian Journal of Civil Engineering
  [SJR: 0.386]   [H-I: 41]   [12 followers]  Follow
    
   Hybrid Journal Hybrid journal (It can contain Open Access articles)
   ISSN (Print) 0315-1468 - ISSN (Online) 1208-6029
   Published by NRC Research Press Homepage  [21 journals]
  • Local scour of cohesive beds downstream of a rigid apron
    • Authors: Hossein Hamidifar, Mohammad Hossein Omid
      Pages: 935 - 944
      Abstract: Canadian Journal of Civil Engineering, Volume 44, Issue 11, Page 935-944, November 2017.
      In this paper, the physics of scour hole in a mixed sand–clay bed downstream of an apron is studied experimentally. Seven combinations of sand–clay mixtures including clay contents, Cc, ranging from 0 to 0.4 were used. The results show that Cc = 0.4 can reduce the maximum scour depth, εm, up to about 80% for all the densimetric Froude numbers in the range of the present study. An empirical equation has been proposed for calculation of εm in sand–clay mixtures with the mean error of 0.12. The removal mechanism of sediments from the bed was different based on the Cc. For low clay contents, i.e., Cc ≤ 15%, individual particles were detached from the bed. At higher Cc, clusters of particles were separated and moved downstream with the flow. A new equation has been proposed to predict the dimensionless scour hole profile in mixed sand–clay sediments. Dimensionless graphs have been presented for incorporating the effect of tailwater depth and sediment grain size on the main characteristics lengths in sand–clay mixtures.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2017-07-22T07:00:00Z
      DOI: 10.1139/cjce-2016-0398
       
  • Determining optimal combination of roller compacted concrete pavement
           mixture containing recycled asphalt pavement and crumb rubber using hybrid
           artificial neural network–genetic algorithm method considering energy
           absorbency approach
    • Authors: Mansour Fakhri, Ershad Amoosoltani, Mona Farhani, Amin Ahmadi
      Pages: 945 - 955
      Abstract: Canadian Journal of Civil Engineering, Volume 44, Issue 11, Page 945-955, November 2017.
      The present study investigates the effectiveness of evolutionary algorithms such as genetic algorithm (GA) evolved neural network in estimating roller compacted concrete pavement (RCCP) characteristics including flexural and compressive strength of RCC and also energy absorbency of mixes with different compositions. A real coded GA was implemented as training algorithm of feed forward neural network to simulate the models. The genetic operators were carefully selected to optimize the neural network, avoiding premature convergence and permutation problems. To evaluate the performance of the genetic algorithm neural network model, Nash-Sutcliffe efficiency criterion was employed and also utilized as fitness function for genetic algorithm which is a different approach for fitting in this area. The results showed that the GA-based neural network model gives a superior modeling. The well-trained neural network can be used as a useful tool for modeling RCC specifications.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2017-07-30T07:00:00Z
      DOI: 10.1139/cjce-2017-0124
       
  • Characterization of eco-substituted cement containing waste ground
           calcined clay brick
    • Authors: Ghania Nigri, Yacine Cherait, Soraya Nigri
      Pages: 956 - 961
      Abstract: Canadian Journal of Civil Engineering, Volume 44, Issue 11, Page 956-961, November 2017.
      This paper discusses the potentialities of using waste bricks as a partial replacement of clinker in blended cement. The blended cements are produced by grinding and mixing clinker, waste brick and gypsum. Eight mixtures containing 0 to 35% of bricks as a clinker replacement are prepared and characterized. Partially replacing clinker by brick results in early strength, but are lower than that of the reference. However, at 90 days, the strengths are greater than that reference. The setting times and the shrinkages were reduced. Blended cement has been formulated with optimal composition of 10% of waste brick. The microstructure of the paste was studied using scanning electron microscopy and the evolution of cement hydration was studied by Fourier transform infrared spectroscopy. It was concluded that the binder with 10% of brick shows a dense and homogeneous particles distribution. The pozzolanic reaction occurs through the decreases of the amorphous silica during hydration.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2017-08-02T07:00:00Z
      DOI: 10.1139/cjce-2016-0537
       
  • Hydropower plant adaptation strategies for climate change impacts on
           hydrological regime
    • Authors: Didier Haguma, Robert Leconte, Stéphane Krau
      Pages: 962 - 970
      Abstract: Canadian Journal of Civil Engineering, Volume 44, Issue 11, Page 962-970, November 2017.
      This study addresses the problem of the adaptation of hydropower plants to the future climate. A water resources optimization method was used to determine the optimum operating policy for the Manicouagan water system, Quebec, Canada, for the future hydrological regime and to establish hydropower adaptation strategies. The adaptation of the operating policy showed an increase in hydropower generation, an increase in unproductive spills, and a decrease in hydropower plant efficiency as consequences of the inflow increase, especially in winter and spring. Structural adaptation strategies, which consisted of either hydropower plant expansion or refurbishment, were analyzed. The plant expansion strategy was completely unsuccessful because the increase in inflow year-round in the future climate was too low to economically justify the installation of additional turbine-generator units. The refurbishment strategy was found to be a feasible structural adaptation measure for the Manicouagan system, under certain favorable economic and hydropower plant conditions.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2017-07-26T07:00:00Z
      DOI: 10.1139/cjce-2017-0141
       
  • Fruit and vegetable wash-water characterization, treatment feasibility
           study and decision matrices
    • Authors: Gurvinder S. Mundi, Richard G. Zytner, Keith Warriner
      Pages: 971 - 983
      Abstract: Canadian Journal of Civil Engineering, Volume 44, Issue 11, Page 971-983, November 2017.
      On average, it is estimated that up to 5 L of wastewater is generated per kilogram of produce in post-harvest processing of fruit, leafy greens, and root vegetables. The typical wastewater parameters vary in concentration (solids content, COD, BOD, nitrogen, phosphorus) based on the produce being processed. The challenge for producers and regulators is that the selection of the appropriate treatment technology is challenging, so decision matrices were developed to narrow down the treatment selections. Wash-waters for different types of fruit and vegetables from two different operation types, washing only versus washing and processing were investigated. Bench-scale treatments selected for testing included settling, coagulation and flocculation with settling, centrifuge, dissolved air flotation, electrocoagulation, screening, and hydrocyclone. The developed decision matrices summarize the removal effectiveness of the different treatments for typical wastewater parameters and serve as a reference tool in understanding wash-water treatment technologies and their effectiveness in treating various wash-waters.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2017-07-25T07:00:00Z
      DOI: 10.1139/cjce-2017-0214
       
  • Note of appreciation / Note de reconnaissance
    • Abstract: Canadian Journal of Civil Engineering, e-First Articles.

      Citation: Canadian Journal of Civil Engineering
      PubDate: 2017-11-08T11:47:47Z
      DOI: 10.1139/cjce-2017-0609
       
  • An investigation on Ontario’s non-hazardous municipal solid waste
           diversion using trend analysis
    • Authors: Asma Chowdhury, Hoang Lan Vu, Kelvin T.W. Ng, Amy Richter, Nathan Bruce
      Pages: 861 - 870
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.
      Non-hazardous waste disposal and diversion trends in Ontario from 1996 to 2010 were identified using parametric and non-parametric statistical methods, and the temporal variability of its waste diversion practices were examined. Ontario’s diversion was sensitive to waste diversion policy and residential diversion programs. Total waste diversion increased by 85% in 14 years. Results suggested that waste minimization may be more effective than recycling on Ontario diversion rates. Programs targeting non-residential sectors are recommended, specifically for smaller businesses with limited waste management budgets. Linear regression and Mann-Kendall tests detected significant increasing trends for residential waste diversion. In contrast, non-residential diversion had a decreasing trend using linear regression. A significant upward trend (S = +10) was found for Ontario’s total waste diversion using Mann-Kendall tests. Highly significant upward trends were observed for plastic and organic recycling. Mann-Kendall tests were found more appropriate for waste trend analysis in the present study.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2017-08-29T07:00:00Z
      DOI: 10.1139/cjce-2017-0168
       
  • Evaluation of dynamic passing gap acceptance on two-lane highways using
           field data
    • Authors: Udai Hassein, Maksym Diachuk, Said Easa
      Pages: 871 - 880
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.
      Gap availability is an important element of safe passing on two-lane highways. Time gaps are used to determine passing behaviour based on human factors. In this paper, the decision whether to accept or reject an available passing gap is modelled using logistic regression technique that included driver characteristics (age and experience) and the gap size. Field studies were conducted to collect experimental data regarding passing driver behaviour. The data were collected using dual camera Car DVRs and a GPS data logger device that records the instantaneous speed and position of the three vehicles involved in the passing maneuver: passing vehicle, impeding vehicle, and opposing vehicle. Regression models that include driver age and gender (required as input to the gap acceptance model) were established for initial passing time, starting gap, ending gap, and time to collision. The gap acceptance model was implemented in Simulink and the results revealed that driver characteristics significantly affect gap acceptance decisions.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2017-07-15T07:00:00Z
      DOI: 10.1139/cjce-2016-0572
       
  • RHS-to-RHS axially loaded X-connections near an open chord end
    • Authors: YuJing Fan, Jeffrey A. Packer
      Pages: 881 - 892
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.
      In all truss-type welded hollow structural section connection design procedures, the chord member is assumed continuous on both sides of the branch. New limits of applicability have recently been advocated, which specify minimum end distances from an open chord end to achieve the full connection strength. To investigate their suitability for rectangular hollow section (RHS) connections, an experimental program consisting of 12 RHS-to-RHS X-connections subject to branch axial compression was undertaken. For connections near a chord end, a modified yield line mechanism controlled. A proposed analytical model is derived, and by evaluating against the experimental results, is shown to accurately predict the yield loads. An EN 1993-1-8 amendment, transcribed from circular hollow section connections, is deemed excessively conservative, and a closed-form solution for the end distance, presented herein, is recommended for use with RHS connections. Alternatively, providing a cap plate is determined to be an effective stiffening method.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2017-07-03T07:00:00Z
      DOI: 10.1139/cjce-2017-0148
       
  • Performance evaluation of foaming agents in cellular concrete based on
           foamed alkali-activated slag
    • Authors: Azadeh Tarameshloo, Ebrahim Najafi Kani, Ali Allahverdi
      Pages: 893 - 898
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.
      In this work, three different foaming agents were selected and their performance on density, compressive strength, pore structure, and molecular structure of alkali-activated blast furnace slag cellular concrete have been investigated. For this purpose, pre-formed foams based on sodium lauryl sulfate, protein-based foaming agent, and hydrogen peroxide were added to the alkali-activated slag paste with determined activator composition. After curing, density and compressive strength of cellular concretes were evaluated. Also, macroscopic pore size distribution was investigated by image processing technique for studying its relation with density and compressive strength. Results showed that with increasing the amount of foam, the density and the compressive strength decreased due to increases in both the number of pores per area and the pore average size. Samples containing protein-based foam showed higher mechanical strength, which could be due to its effect on the molecular structure of hydration product resulting in a stronger bond and hence higher compressive strength.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2017-07-23T07:00:00Z
      DOI: 10.1139/cjce-2016-0491
       
  • Towards establishing effective commercial driver training standards:
           analysis of industry opinions from Alberta
    • Authors: Suliman A. Gargoum, Amy Miyoung Kim, Hui Zhang, Tony Z. Qiu
      Pages: 899 - 910
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.
      Commercial driver licensing programs ensure that drivers have the appropriate skills to perform their duties in a safe and efficient manner. Establishing such standards with good compliance requires understanding industry professionals’ opinions on aspects of current training. In this paper achieving that objective is attempted through analyzing opinions of employees of Alberta Motor Transportation Association’s member companies. Participants included commercial drivers, managers, and training staff. Participants were questioned about the commercial driving and training experience, and attitudes towards standard training. Also, the survey questioned respondents on specific training courses when considering them from several different perspectives. Overall, the results show high acceptance and need for standard training. The results support establishment of a program that increases basic pre-licensing training, requires specific training classes to be taken by drivers, and specifies financial responsibility. The findings of this paper provide a foundation for forming unified policies on standard driver training in Canada.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2017-07-13T07:00:00Z
      DOI: 10.1139/cjce-2017-0115
       
  • Correlation between the porosity and ultrasonic pulse velocity of recycled
           aggregate concrete at different saturation levels
    • Authors: Kahina Haddad, Ourdia Haddad, Salima Aggoun, Salah Kaci
      Pages: 911 - 917
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.
      In this work, an ultrasonic technique was developed to study the porosity and pore connectivity of recycled aggregate concretes (RACs) and to elucidate the correlations between the ultrasonic pulse velocity (UPV), recycled concrete aggregate (RCA) content, and water-accessible porosity of the resulting concrete. To estimate the changes in the degree of connectivity of the concrete pores with the amount of RCA substituted, the concrete specimens were examined at different saturation levels. The correlations between the amounts of RCA used, the UPV, and the saturation state could be determined. It was observed that the pore connectivity of the concretes increased with the amount of RCA substituted, which, in turn, increased their open porosity. These findings may facilitate the use of UPV for the estimation of open porosities of RACs at different saturation levels.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2017-06-07T07:00:00Z
      DOI: 10.1139/cjce-2016-0449
       
  • Effects of corrosion inhibiting admixtures and supplementary cementitious
           materials combinations on the strength and certain durability properties
           of HPC
    • Authors: H.Z. Lopez-Calvo, P. Montes-Garcia, E.M. Alonso-Guzmán, W. Martinez-Molina, T.W. Bremner, M.D.A Thomas
      Pages: 918 - 926
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.
      This paper reports a study carried out to evaluate the effects of corrosion inhibiting admixtures, calcium nitrite and disodium tetrapropenyl succinate, in combination with supplementary cementitious materials, fly ash and silica fume Portland cement, on the compressive strength and certain durability properties of high performance concrete. Mixture formulations, including binary and ternary combinations of these admixtures were evaluated. Chloride profiles after 91 and 365 days of exposure and the compressive strength and electrical resistivity at 1, 7, 14, 28, 180, and 365 days of age were estimated. Also, results of corrosion evaluation after five-year exposure to a natural marine environment at Treat Island Maine, USA are presented and discussed. Results indicate that the use of corrosion inhibitors in combination with supplementary cementitious materials was beneficial, albeit to various degrees, in enhancing the strength and durability properties of high performance concrete with no noticeable adverse effects.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2017-07-03T07:00:00Z
      DOI: 10.1139/cjce-2016-0237
       
  • Canadian main track derailment trends, 2001 to 2014
    • Authors: Eric M. Leishman, Michael T. Hendry, C. Derek Martin
      Pages: 927 - 934
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.
      The Transportation Safety Board of Canada (TSB) maintains the Rail Occurrence Database System (RODS). This database contains information on all types of rail occurrences including derailments that must be reported by all Canadian railway operators. This paper analyzes the derailments that occurred on Canadian main track network between 2001 and 2014. The results from the analysis show that between 2001 and 2014 there was an overall decreasing trend in the number and intensity of main track derailments, derailments involving dangerous goods cars, and the number of derailments resulting in the release of dangerous goods. The RODS data was further analyzed to evaluate the frequency of the differing causes of derailments and the severity of the resulting incidents. The most common and severe derailment causes resulted from rail breaks, track geometry, and environmental conditions. Derailment velocity was also found to have an impact on the severity, with higher velocities resulting in a greater number of derailed rolling stock.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2017-07-25T07:00:00Z
      DOI: 10.1139/cjce-2017-0076
       
 
 
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