Applying the Flow-interception Location Model to Select the Location of Construction Industrial Yard

Construction industrialization is a remarkable innovation and improvement in construction industry. This new construction method can address the drawbacks of conventional one, which has extensive mode of production, lower labour productivity and serious energy consumption and environmental pollution. Recent years, the construction industrial yard emerges as a method to promote the modernization of construction industry in China. However, there has been little to no empirical literature discussed the method to identify the location of construction industrial yard. The location problem is one of key factors to affect whether the yard can be sustainable in economic, social and environmental profits. In order to make the location of construction industrial yard more scientific and meet the special requirements of construction industry, this paper proposes a bi-level model based on the flow-interception location model (FILM). In the location model, the transport network is divided into sub-networks of raw materials and products respectively. The upper-level model is assumed to make the decision about the location and the originaondestination (OD) matrices of raw materials and products flow. The lower-level is used to calculate the flow of each section under given OD flow matrices, and gives feedback to the upper model. An efficient heuristic method is introduced to solve this bi-level model. This bi-level model of construction industrial yard can help planners make a more scientific decision when establishing a new yard and promote the development of construction industrialization.