Solving Fuzzy Time–Cost Trade-Off in Construction Projects Using Linear Programming

被引：3

作者：

Elkalla I. ^{[1
]}

Elbeltagi E. ^{[1
]}

El Shikh M. ^{[1
]}

机构：

[1] Structural Engineering Department, Faculty of Engineering, Mansoura University, Mansoura

来源：

Journal of The Institution of Engineers (India): Series A | 2021年 / 102卷 / 1期

关键词：

Fuzzy time–cost trade-off; Linear programming; Nearest symmetric trapezoidal fuzzy number; Simplex method;

D O I：

10.1007/s40030-020-00489-7

中图分类号：

学科分类号：

摘要：

The time–cost trade-off has been recognized as a very significant aspect of construction management. Generally, time–cost trade-off can be modeled as a fuzzy linear programming problem with symmetric or non-symmetric fuzzy numbers. However, it was successfully solved when the fuzzy membership functions are only symmetric. In the present work, a novel approach is introduced to solve fuzzy linear programming problem with non-symmetric fuzzy membership functions by transforming it to its corresponding nearest symmetric one. The transformed problem is then converted to its crisp linear programming problem and then solved by the standard primal simplex method. Two examples are presented to show the effectiveness of the proposed approach, and the results are discussed. © 2020, The Institution of Engineers (India).

引用

页码：267 / 278

页数：11

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