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为提高桩基础设计工作的效率及质量,将一种混沌粒子群算法引入到桩基础优化设计中。建立了以桩基础造价为目标函数的桩基础优化设计数学模型。编制了此数学模型的优化设计计算程序并对桩基础工程算例进行分析,从而得到了桩基础的若干主要参数对其造价影响的基本规律,证明了本优化方法具有可行性及比普通算法的优越性。
In order to improve the efficiency and quality of pile foundation design work, a chaos particle swarm optimization algorithm is introduced into the pile foundation optimization design. The mathematical model of pile foundation optimization design is established with the objective function of the pile foundation cost. The optimization design calculation program of this mathematical model is compiled and the pile foundation engineering example is analyzed. The basic law of the influence of some main parameters of the pile foundation on its construction cost is obtained. It is proved that the optimization method is feasible and more efficient than the ordinary algorithm Superiority.