Qinghuai Liang

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The monitoring of safety in construction for urban subway is an important procedure of guaranteeing construction safety and engineering quality. Deformation of the buildings around the subway route, settlement of the road and pipelines, displacement of soil mass, convergence and vault sink of the tunnel etc. should be monitored during the subway(More)
Vehicle routing optimization problem with time constraint is researched in this paper and a hybrid optimization algorithm-PBIL combined with ant algorithm is proposed and applied to VRP. The objective function is to minimize the cost and reduce the loss caused by customerspsila time restriction. The probability matrix of PBIL algorithm is modified with the(More)
The paper puts forward a method of locating highspeed rail based on remote sensing and geography information technology using ant algorithm. High-speed rail location design factors are mainly considered: the topographical condition, geomorphy, geology, hydrology, layout plan, environmental influence, engineering reliability, security, investment income and(More)
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