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| Content Provider | IEEE Xplore Digital Library |
|---|---|
| Author | Kuang Ya-ping Xiong Ying |
| Copyright Year | 2006 |
| Description | Author affiliation: Sch. of Civil Eng. & Archit., Zhejiang Univ., Hangzhou (Kuang Ya-ping) |
| Abstract | Time-cost trade-off problem (TCTP) is one of the most important aspects of construction project planning and control. Construction planners must select appropriate resources, including crew size, equipment, methods and technologies to perform tasks of a construction project. In general, there is a trade-off between time and cost to complete a task; the less expensive the resources, the long it takes. Existing methods for time-cost trade-off analysis can be categorized into three areas: mathematical programming models, heuristic methods and global search algorithms. More recently, ant colony optimization algorithms (ACOA), which are evolutionary methods based on the foraging behavior of ants, have been successfully applied to a number of benchmark combinatorial optimization problems. The multiobjective model for TCTP proposed in this paper is powered by techniques using ACOA. One of the main goals of this paper is to investigate the applicability of an alternative intelligent search method in time-cost optimization. By incorporating with the modified adaptive weight approach (MAWA), the proposed model finds out the optimal solution and defines the Pareto front. The concept of the ACOA-based multiobjective TCTP model is implemented by a computer program, and a test example is conducted. The results indicate that the ACOA is proven to be an efficient means for searching optimal solutions in time-cost trade-off problems, and the model could assist decision-makers in concurrently arriving at an optimal project duration and total cost |
| Sponsorship | Nat. Natural Sci. Found. of China Harbin Inst. of Technol. P.R. China |
| Starting Page | 2039 |
| Ending Page | 2044 |
| File Size | 6397265 |
| Page Count | 6 |
| File Format | |
| ISBN | 7560323553 |
| DOI | 10.1109/ICMSE.2006.314128 |
| Language | English |
| Publisher | Institute of Electrical and Electronics Engineers, Inc. (IEEE) |
| Publisher Date | 2006-10-05 |
| Publisher Place | France |
| Access Restriction | Subscribed |
| Rights Holder | HARBIN INSTITUTE OF TECHNOLOGY |
| Subject Keyword | Algorithm design and analysis Multiobjective Ant colony optimization Pareto front Costs Project management Power generation economics Genetic algorithms Ant colony optimization algorithm (ACOA) Engineering management Time-cost trade-off problem (TCTP) Large-scale systems Mathematical model Mathematical programming |
| Content Type | Text |
| Resource Type | Article |
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