![]() ![]() A mixed-integer programming model is developed and applied to an actual case study to illustrate the importance of accounting for the effect of crane location on its required capacity in crane location optimization. This paper presents a modified crane location optimization model that also accounts for the effects of crane location on its required capacity, on top of operating time, when minimizing the total costs of lifting operations. Previous studies on optimizing the location of tower cranes on a construction site have focused mainly on minimizing the crane operation costs through minimizing their operation time, overlooking the effect of tower crane location on its required capacity and thus rental and operation costs. On the other hand, the distance between the tower crane and supply points as well as the distance between the tower crane and demand points considerably affects the minimum required load moment capacity of the cranes and thus the cranes’ rental and operating costs. The location of the tower crane determines the travel time of transporting material between the supply and demand points and thus the operation costs. The choice of a suitable tower crane along with its location may considerably affect the costs and duration of the construction process. ![]()
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