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  Subjects -> ENGINEERING (Total: 2515 journals)
    - CHEMICAL ENGINEERING (210 journals)
    - CIVIL ENGINEERING (219 journals)
    - ELECTRICAL ENGINEERING (120 journals)
    - ENGINEERING (1320 journals)
    - ENGINEERING MECHANICS AND MATERIALS (403 journals)
    - HYDRAULIC ENGINEERING (57 journals)
    - INDUSTRIAL ENGINEERING (84 journals)
    - MECHANICAL ENGINEERING (102 journals)

CIVIL ENGINEERING (219 journals)                  1 2 | Last

Showing 1 - 200 of 219 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: 3)
Advances in Civil Engineering     Open Access   (Followers: 43)
Advances in Structural Engineering     Full-text available via subscription   (Followers: 34)
Agregat     Open Access   (Followers: 1)
Ambiente Construído     Open Access   (Followers: 1)
American Journal of Civil Engineering and Architecture     Open Access   (Followers: 36)
Architectural Engineering     Open Access   (Followers: 5)
Architecture and Engineering     Open Access  
Architecture, Civil Engineering, Environment     Open Access   (Followers: 1)
Archives of Civil and Mechanical Engineering     Full-text available via subscription   (Followers: 3)
Archives of Civil Engineering     Open Access   (Followers: 13)
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: 7)
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)
Berkeley Planning Journal     Open Access   (Followers: 6)
Bioinspired Materials     Open Access   (Followers: 5)
Bridge Structures : Assessment, Design and Construction     Hybrid Journal   (Followers: 14)
Building & Management     Open Access   (Followers: 2)
Building and Environment     Hybrid Journal   (Followers: 16)
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: 14)
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: 10)
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: 5)
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: 8)
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: 24)
Civil Engineering and Environmental Systems     Hybrid Journal   (Followers: 3)
Civil Engineering and Technology     Open Access   (Followers: 13)
Civil Engineering Dimension     Open Access   (Followers: 12)
Civil Engineering Infrastructures Journal     Open Access   (Followers: 1)
Cohesion and Structure     Full-text available via subscription   (Followers: 2)
Composite Structures     Hybrid Journal   (Followers: 291)
Computer-aided Civil and Infrastructure Engineering     Hybrid Journal   (Followers: 11)
Computers & Structures     Hybrid Journal   (Followers: 37)
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: 21)
Constructive Approximation     Hybrid Journal  
Construindo     Open Access  
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: 3)
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: 10)
Fatigue & Fracture of Engineering Materials and Structures     Hybrid Journal   (Followers: 19)
Frontiers in Built Environment     Open Access   (Followers: 1)
Frontiers of Structural and Civil Engineering     Hybrid Journal   (Followers: 6)
Gaceta Técnica     Open Access  
Geomaterials     Open Access   (Followers: 3)
Geosystem Engineering     Hybrid Journal   (Followers: 2)
Geotechnik     Hybrid Journal   (Followers: 4)
Géotechnique Letters     Hybrid Journal   (Followers: 8)
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: 3)
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: 36)
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 Engineering and Geosciences     Open Access  
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: 9)
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: 2)
Journal of Applied Research in Water and Wastewater     Open Access   (Followers: 1)
Journal of Bridge Engineering     Full-text available via subscription   (Followers: 13)
Journal of Building Engineering     Hybrid Journal   (Followers: 2)
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   (Followers: 1)
Journal of Civil Engineering and Construction Technology     Open Access   (Followers: 16)
Journal of Civil Engineering and Management     Open Access   (Followers: 7)
Journal of Civil Engineering and Science     Open Access   (Followers: 10)
Journal of Civil Engineering Research     Open Access   (Followers: 8)
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: 79)
Journal of Composites for Construction     Full-text available via subscription   (Followers: 13)
Journal of Computing in Civil Engineering     Full-text available via subscription   (Followers: 23)
Journal of Construction Engineering     Open Access   (Followers: 9)
Journal of Construction Engineering and Management     Full-text available via subscription   (Followers: 18)
Journal of Construction Engineering, Technology & Management     Full-text available via subscription   (Followers: 4)
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: 6)
Journal of Materials in Civil Engineering     Full-text available via subscription   (Followers: 8)
Journal of Nondestructive Evaluation     Hybrid Journal   (Followers: 9)
Journal of Offshore Structure and Technology     Full-text available via subscription  
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: 4)
Journal of Road and Traffic Engineering     Open Access  
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   (Followers: 1)
Journal of Structures     Open Access   (Followers: 4)
Journal of Sustainable Architecture and Civil Engineering     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   (Followers: 2)
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)
Lithosphere     Open Access  
Materiales de Construcción     Open Access   (Followers: 1)
Mathematical Modelling in Civil Engineering     Open Access   (Followers: 5)
Media Komunikasi Teknik Sipil     Open Access  
Media 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)
Periodica Polytechnica Civil Engineering     Open Access  
Photonics and Nanostructures - Fundamentals and Applications     Hybrid Journal   (Followers: 4)
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: 10)
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: 4)
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)
REDER : Revista de Estudios Latinoamericanos sobre Reducción del Riesgo de Desastres     Open Access  
Research in Nondestructive Evaluation     Hybrid Journal   (Followers: 6)
Resilience     Open Access   (Followers: 1)
Revista de Investigación     Open Access  
Revista IBRACON de Estruturas e Materiais     Open Access   (Followers: 1)
Revista Sul-Americana de Engenharia Estrutural     Open Access  
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: 11)
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)

        1 2 | Last

Journal Cover
Canadian Journal of Civil Engineering
Journal Prestige (SJR): 0.341
Citation Impact (citeScore): 1
Number of Followers: 14  
 
  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]
  • Simulations of bubbly two-phase flow in hydraulic jumps of relatively high
           Reynolds number
    • Authors: Seyedpouyan Ahmadpanah, S. Samuel Li
      Pages: 48 - 60
      Abstract: Canadian Journal of Civil Engineering, Volume 46, Issue 1, Page 48-60, January 2019.
      Hydraulic jumps on a large scale are turbulent, with high Reynolds number. It has been proven difficult to achieve this in previous studies of jumps as two-phase flow. This paper aims to investigate the behaviours of two-phase flow and air entrainment in jumps at relatively high Reynolds numbers. Model predictions of both oscillating and steady jumps at multiple values of Froude number are reported, along with verifications of the predictions using air volume fraction (AVF) measurements, and analytical and empirical solutions for the height of jump, roller length, and free surface. The model captures the macroscopic characters of the two types of jumps and velocity structures. The predicted AVF distributions are consistent with the velocity structures. For steady jumps, AVF profiles are roughly bell-shaped, but are heavier-tailed upward than downward. For oscillating jumps, AVF profiles are even more asymmetrical. The Reynolds number affects air entrainment and transport in two-phase flow.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2018-07-06T07:00:00Z
      DOI: 10.1139/cjce-2017-0462
       
  • A streamlined energy efficiency performance indicator for water
           distribution systems: a case study
    • Authors: Brett Snider, Yves Filion
      Pages: 1 - 6
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.
      This note investigates the validity of the energy efficiency performance indicator developed by Snider and Filion for water distribution systems. This performance indicator estimates the minimum mechanical energy required in a distribution system by assessing the unavoidable energy losses due to friction, leakage, and user demand. The performance indicator provides a simplified method to calculate the energy efficiency of a water distribution system without the application of a hydraulic simulation model. To validate the proposed streamlined approach, this note calculates the energy indicator using a hydraulic model and extended period simulation for a number of synthetic and real water distribution system models. A Pearson correlation coefficient of 0.958 for the overall mechanical energy efficiency indicator was calculated between the two approaches (streamlined and extended period simulation). This suggests the simpler streamlined approach may be used instead of the more complicated extended period simulation approach.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2018-12-04T03:13:03Z
      DOI: 10.1139/cjce-2017-0725
       
  • Discussion of “Frequency of ice-jam flooding of Peace-Athabasca
           Delta”
    • Authors: Kevin Timoney, Jared D. Smith, Jonathan R. Lamontagne, Martin Jasek
      Pages: 1 - 4
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.

      Citation: Canadian Journal of Civil Engineering
      PubDate: 2018-12-03T05:45:26Z
      DOI: 10.1139/cjce-2018-0409
       
  • Discussion of “Frequency of ice-jam flooding of Peace-Athabasca
           Delta”
    • Authors: Roland I. Hall, Brent B. Wolfe, Johan A. Wiklund
      Pages: 1 - 3
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.

      Citation: Canadian Journal of Civil Engineering
      PubDate: 2018-12-03T05:45:07Z
      DOI: 10.1139/cjce-2018-0407
       
  • Reply to the discussion by Li and Li on “Turbulence over cube-mounted
           rough bed using spatiotemporal averaging approach”
    • Authors: Santosh Kumar Singh, Koustuv Debnath, Bijoy S. Mazumder
      Pages: 1 - 3
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.

      Citation: Canadian Journal of Civil Engineering
      PubDate: 2018-11-22T08:00:00Z
      DOI: 10.1139/cjce-2017-0693
       
  • Dynamic characteristics of light-frame wood buildings
    • Authors: Ghazanfarah Hafeez, Ghasan Doudak, Ghyslaine McClure
      Pages: 1 - 12
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.
      This paper deals with dynamic field testing of light-frame wood buildings with wood based shear walls. The primary objective of the investigation is to provide an estimate of the fundamental period of such buildings, through field testing and numerical modeling. An experimental program is established to perform ambient vibration testing on 41 light-frame wood buildings of both regular and irregular layouts, located in moderate to high seismic zones in different regions in Canada. The research objective is to develop a reliable method of estimating the building period of light-frame wood buildings and develop an accurate expression for building period estimate based on field testing and numerical modeling. The study found that significant scatter is observed in the measured data when plotted as a function of building height. Finite element (FE) models were developed and compared with the natural periods of the buildings with reasonable accuracy. Using the validated FE models to examine different commonly used stiffness models showed that in general current analysis approaches overestimate the building period.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2018-07-16T07:00:00Z
      DOI: 10.1139/cjce-2017-0266
       
  • Discussion of “Turbulence over cube-mounted rough bed using
           spatiotemporal averaging approach”
    • Authors: Jing Li, S. Samuel Li
      Pages: 1 - 2
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.
      This discussion provides highlights of data acquisition strategies for rough surface flow and limitations of space-averaging analysis applied to the isolated-roughness flow problem. It is demonstrated that the compound effects of relative submergence and relative pitch should be accounted for to quantify the behaviour of surface roughness.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2018-01-18T07:12:35Z
      DOI: 10.1139/cjce-2017-0420
       
  • Improving the geometry of manholes designed for separate sewer systems
    • Authors: Alaa Abbas, Felicite Ruddock, Rafid Alkhaddar, Glynn Rothwell, Robert Andoh
      Pages: 13 - 25
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.
      The design of manholes dates back more than 100 years. However, there have been developments such as the use of new materials for the manufacture of manholes, and advances in inspection and maintenance technologies, allowing improvements to the shape of manholes. This paper presents an innovative design for manholes, created to overcome the challenges associated with the installation of separate sewer systems in narrow streets, common to both UK and EU cities. The traditional separate sewer system has two separate manholes. The proposed manhole combines these two manholes into one structure, with two separate chambers, to allow storm flow and foul flow to pass through the same manhole without mixing. The structural performance of the new design has been tested using mathematical modelling validated by experimental tests. The results are compared with the structural performance of traditional manholes. The new design shows an improved resistance to high live loads.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2018-07-30T07:00:00Z
      DOI: 10.1139/cjce-2018-0057
       
  • Optimizing planning of build–operate–transfer projects to
           maximize investor profit
    • Authors: Moatassem Abdallah, Abdullah Alshahri
      Pages: 26 - 37
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.
      During planning of repetitive build–operate–transfer (BOT) construction projects, investors and (or) investor-representatives are always faced with a challenging task to identify an optimal project plan that maximizes the investor’s profit within a specified concession period. Minimizing project duration in BOT projects often results in additional costs, however, it increases the project operation period and accordingly increases the investor’s profit. Optimal plan of constructing repetitive BOT projects requires identifying construction methods and the associated start and finish time of each construction activity according to the availability of resources and contractors. Traditional scheduling methods such as critical path method (CPM) networks do not provide efficient planning of repetitive construction projects as they (1) do not maintain crew work continuity as well as resources availability, and (2) often result in large and repetitive number of activities to model repetitive construction projects. This paper presents the development of an optimization model using linear scheduling method that identifies the near-optimal plan for constructing repetitive BOT projects to maximize the investor’s profit. The development of this optimization model includes three steps: formulation phase that formulates the model decision variables, objective function, and constraints; implementation phase that executes the model computations using genetic algorithms and identifies the model inputs and outputs; and evaluation phase that verifies the model performance and document its value. A case study of a construction project is presented to illustrate the new capabilities of the model. The results of the model showed 21% profit increase as compared to the existing schedule adopted by the investor.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2018-06-18T07:00:00Z
      DOI: 10.1139/cjce-2017-0327
       
  • Approches opérationnelles pour favoriser la nitrification dans un
           biofiltre aéré à flux descendant
    • Authors: François-René Bourgeois, Frédéric Monette
      Pages: 38 - 47
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.
      Avec le resserrement des exigences réglementaires relatives à l’azote ammoniacal, plusieurs stations d’épuration doivent réduire leur charge azotée rejetée. Dans l’objectif de favoriser la nitrification d’un filtre biologique Biocarbone®, des essais d’aération, de modifications des paramètres de lavage et de réduction du débit ont été réalisés. Le suivi a été effectué à différentes profondeurs dans le média filtrant. Les résultats montrent que l’oxygène dissous doit être d’au moins 6 mg-O2/L pour favoriser la nitrification dans la partie profonde du filtre. Des enlèvements en demande chimique en oxygène (DCO), en demande biochimique carbonée en oxygène en 5 jours (CDBO5) et en N–NH4+ de 89, 95 et 38 % ont été respectivement obtenus, tandis que la consommation supplémentaire d’énergie a été évaluée entre 69 et 407 kWh/jour par kg de CDBO5 et de N–NH4+ enlevés. Les résultats suggèrent que l’aération constitue un paramètre-clé pouvant être partiellement contrôlé par le temps de rétention hydraulique, combiné à des lavages plus courts et fréquents stimulant davantage les bactéries nitrifiantes.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2018-11-13T08:00:00Z
      DOI: 10.1139/cjce-2018-0243
       
  • Lane-based signal optimization with left turn prohibition in urban road
           networks
    • Authors: Qinrui Tang, Huijun Liu, Bernhard Friedrich
      Pages: 73 - 80
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.
      Left turns may generate efficiency problems, which can be solved by appropriately prohibiting left turns. The goal of this paper is to propose a method for purpose of minimizing total travel times in urban road networks by prohibiting left turns. With left turn prohibition, the signal timing plan is optimized with the lane-based method because the method can adequately handle both signal timing optimization and lane assignment. The total travel time is calculated with link flows and link travel time being estimated with signal settings. As illustrated by numerical examples, prohibiting left turns reduces the total travel time of car traffic in road networks. As the left turn prohibition results can handle the randomness in the network, these results provide potential implications for congestion management.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2018-07-30T07:00:00Z
      DOI: 10.1139/cjce-2018-0079
       
  • Resource leveling in construction projects with activity splitting and
           resource constraints: a simulated annealing optimization
    • Authors: S. Madeh Piryonesi, Mehran Nasseri, Abdollah Ramezani
      Pages: 81 - 86
      Abstract: Canadian Journal of Civil Engineering, e-First Articles.
      Overtime and over-budget construction projects are not pleasant to any stakeholder. Stakeholders want construction projects to be completed without delay and excessive cost. It is possible to meet these objectives by using resource management techniques such as resource leveling. Due to the limitation of resources and different types of them in a construction project, optimizing the resource utilization is crucial. In this paper, a meta-heuristic simulated annealing resource leveling model is presented. The novelty of this model lies not only in the type of modeling and optimization but also in its assumptions. Our model simultaneously allows activities to split and considers a limitation in resource availabilities. The developed model was implemented in a computer program. Then, it was applied to an example from the literature of resource leveling. The model successfully solved the problem. The results of our model are compared with those already available in the literature.
      Citation: Canadian Journal of Civil Engineering
      PubDate: 2018-07-30T07:00:00Z
      DOI: 10.1139/cjce-2017-0670
       
 
 
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