Delay Management of Construction Projects with a Structural-Dynamic Hybrid Approach in Iran

Goodarzi, Hamid; Ehsanifar, Mohammad; Mirhosseini, S.Mohammad; Mazaheri, Hosssein

Delay Management of Construction Projects with a Structural-Dynamic Hybrid Approach in Iran

Document Type : Original Article

Authors

Hamid Goodarzi ¹

Mohammad Ehsanifar ²

S.Mohammad Mirhosseini ³

hosssein mazaheri ⁴

¹ Ph.D. student, Department of Civil Engineering, Arak Branch, Islamic Azad University, Arak, Iran

² Associate Professor, Department of Industrial Engineering, Islamic Azad University, Arak, Iran.

³ Assistant Professor, Department of Civil Engineering, Arak Branch, Islamic Azad University, Arak, Iran

⁴ Assistant Professor, Department of Chemical Engineering, Arak Branch, Islamic Azad University, Arak, Iran

Abstract

The current research presents a delay management model for construction projects and evaluates the influencing factors using a structural-dynamic hybrid approach. Finally, the results have provided a model for the management situation in the first rank contracting companies of Tehran province. For this purpose, in order to achieve the goals of the research, a combined-exploratory approach is used. First by examining the background of the research and the opinion of experts, the factors influencing the delay of construction projects in Iran were identified and the results led to the extraction of 12 influencing factors. Then, the factors identified by the Interpretive Structural Modelling (ISM) method were levelled and their interaction network was drawn. Finally, by using the System Dynamics (SD) technique, the influencing factors were modelled in two cases of sanctions and non-sanctions. The accuracy and validity of the model presented in the delay management of construction projects was investigated over a period of 100 months and the results showed that due to the factors affecting the delay, the shortage of materials is increasing over time with the intensification of sanctions which shows the logical behaviour of the model. Due to the simulation period in non-sanctioned mode, management''s ability to monitor and control the project has increased. Under the conditions of sanctions, the manager''s abilities to monitor and control the project may increase for a limited period due to limited access to new technologies, but during the period with the tightening of sanctions, as the forecast shows, stable behavior. In general, the current research pursues the management of construction project delays by changing the planning period based on an integrated method and identifies the most appropriate strategy and planning period for policy makers, as well as an appropriate planning period for dealing with construction project delays in the real world.

Keywords

Delay Management

Construction Projects

Hybrid Approach

Interpretive Structural Modeling (ISM)

System Dynamics (SD)

Subjects

Project and Construction Management

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