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Ahn, S, Lee, S and Steel, R P (2013) Effects of Workers’ Social Learning: Focusing on Absence Behavior. Journal of Construction Engineering and Management, 139(08), 1015–25.

Cheung, S O, Yiu, T W and Lam, M C (2013) Interweaving Trust and Communication with Project Performance. Journal of Construction Engineering and Management, 139(08), 941–50.

Choi, Y, Kim, D, Kim, S, Nam, M S and Kim, T (2013) Implementation of Noise-Free and Vibration-Free PHC Screw Piles on the Basis of Full-Scale Tests. Journal of Construction Engineering and Management, 139(08), 960–7.

de Lima, R X, Júnior, E F N, Prata, B d A and Weissmann, J (2013) Distribution of Materials in Road Earthmoving and Paving: Mathematical Programming Approach. Journal of Construction Engineering and Management, 139(08), 1046–54.

De Marco, A and Mangano, G (2013) Risk and Value in Privately Financed Health Care Projects. Journal of Construction Engineering and Management, 139(08), 918–26.

Gharaibeh, H M (2013) Managing the Cost of Power Transmission Projects: Lessons Learned. Journal of Construction Engineering and Management, 139(08), 1063–7.

Horta, I M, Camanho, A S and Lima, A F (2013) Design of Performance Assessment System for Selection of Contractors in Construction Industry E-Marketplaces. Journal of Construction Engineering and Management, 139(08), 910–7.

Hosseinian, S M and Carmichael, D G (2013) Optimal Incentive Contract with Risk-Neutral Contractor. Journal of Construction Engineering and Management, 139(08), 899–909.

Laryea, S (2013) Nature of Tender Review Meetings. Journal of Construction Engineering and Management, 139(08), 927–40.

Lee, N and Rojas, E M (2013) Visual Representations for Monitoring Project Performance: Developing Novel Prototypes for Improved Communication. Journal of Construction Engineering and Management, 139(08), 994–1005.

Lu, Y, Cui, Q and Le, Y (2013) Turning Green to Gold in the Construction Industry: Fable or Fact?. Journal of Construction Engineering and Management, 139(08), 1026–36.

Macarulla, M, Forcada, N, Casals, M, Gangolells, M, Fuertes, A and Roca, X (2013) Standardizing Housing Defects: Classification, Validation, and Benefits. Journal of Construction Engineering and Management, 139(08), 968–76.

Marks, E D, Cheng, T and Teizer, J (2013) Laser Scanning for Safe Equipment Design That Increases Operator Visibility by Measuring Blind Spots. Journal of Construction Engineering and Management, 139(08), 1006–14.

Minchin, R E, Thurn, S B, Ellis, R D and Lewis, D W (2013) Using Contractor Bid Amounts to Estimate the Impact of Night Construction on Cost for Transportation Construction. Journal of Construction Engineering and Management, 139(08), 1055–62.

Mostafavi, A, Abraham, D, Noureldin, S, Pankow, G, Novak, J, Walker, R, Hall, K and George, B (2013) Risk-Based Protocol for Inspection of Transportation Construction Projects Undertaken by State Departments of Transportation. Journal of Construction Engineering and Management, 139(08), 977–86.

Nguyen, L D, Phan, D H and Tang, L C M (2013) Simulating Construction Duration for Multistory Buildings with Controlling Activities. Journal of Construction Engineering and Management, 139(08), 951–9.

Puri, V and Martinez, J C (2013) Modeling of Simultaneously Continuous and Stochastic Construction Activities for Simulation. Journal of Construction Engineering and Management, 139(08), 1037–45.

  • Type: Journal Article
  • Keywords: Construction management; Simulation; Stochastic models; Construction simulation; Continuous; Stochastic; Discretization; Discrete-event simulation;
  • ISBN/ISSN: 0733-9364
  • URL: https://doi.org/10.1061/(ASCE)CO.1943-7862.0000661
  • Abstract:
    Construction operations have been modeled and simulated using discrete-event simulations with effectiveness and fidelity that have continuously increased over the past four decades. Today, it is possible to model construction operations so that its discrete components are represented very faithfully. However, construction operations often include activities that are simultaneously continuous and stochastic in nature. These continuous activities have typically been modeled by discretization and in some cases using combined discrete-continuous simulation. The current literature does not discuss the series of important statistical issues, such as divisibility of fitted distributions and a significant possibility of the discretized activities not being independent and identically distributed, which are brought along by discretization and can significantly impact the results of the simulation study. Combined discrete-continuous simulations have treated the continuous portion dynamically (i.e., based on differential equations of rate change) but either deterministically or disrespecting statistical properties of the underlying continuous stochastic process and its interactions with the discrete portion. These approaches can seriously affect the accuracy of the model in representing the system behavior, grossly impact the simulation results, and can be detrimental to the acceptance of the model due to difficulties in verification and validation. A clear understanding of the underlying problems is thus required when modeling simultaneously continuous and stochastic activities. This paper investigates the major issues associated with modeling continuous stochastic construction activities that have been traditionally modeled using discrete-event methods. This paper contributes to the body of knowledge by identifying the issues pertaining to and impacts of discretization of continuous activities. The paper improves awareness of these issues that have been ignored or not understood by previous studies and help future researchers in building valid and credible simulation models. The paper also demonstrates the effect of discretization on the behavior of the model and the simulation results using a case study of a road-paving operation.

Ugwu, O O, Arop, J B, Nwoji, C U and Osadebe, N N (2013) Nanotechnology as a Preventive Engineering Solution to Highway Infrastructure Failures. Journal of Construction Engineering and Management, 139(08), 987–93.