Time-cost-quality trade-off analysis for highway construction

Khaled El-Rayes, Amr Kandil

Research output: Contribution to journalArticlepeer-review

Abstract

Many departments of transportation have recently started to utilize innovative contracting methods that provide new incentives for improving construction quality. These emerging contracts place an increasing pressure on decision makers in the construction industry to search for an optimal resource utilization plan that minimizes construction cost and time while maximizing its quality. This paper presents a multiobjective optimization model that supports decision makers in performing this challenging task. The model is designed to transform the traditional two-dimensional time-cost tradeoff analysis to an advanced three-dimensional time-cost-quality trade-off analysis. The model is developed as a multiobjective genetic algorithm to provide the capability of quantifying and considering quality in construction optimization. An application example is analyzed to illustrate the use of the model and demonstrate its capabilities in generating and visualizing optimal tradeoffs among construction time, cost, and quality.

Original languageEnglish (US)
Pages (from-to)477-486
Number of pages10
JournalJournal of Construction Engineering and Management
Volume131
Issue number4
DOIs
StatePublished - Apr 1 2005

Keywords

  • Algorithms
  • Construction industry
  • Contracts
  • Cost control
  • Highway construction
  • Information technology (IT)

ASJC Scopus subject areas

  • Civil and Structural Engineering
  • Building and Construction
  • Industrial relations
  • Strategy and Management

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