排水管道深基坑机械支护受力结构优化方法

Optimal Method of Mechanical Support Structure for Deep Foundation Pit of Drainage Pipeline

排水管道深基坑支护受力结构的稳定影响城市市政的建设和发展。因此,提出市政施工中排水管道深基坑机械支护受力结构的优化方法。构建深基坑机械支护受力结构优化模型,选取优化参数,计算受力结构稳定性目标函数。采用遗传算法确定机械支护受力结构解的初始种群。通过处理约束条件、确定适应度函数和交叉操作以及变异操作,获取最佳的机械支护受力结构最优种群,实现深基坑机械支护受力结构的优化。实验结果表明,本方法深基坑机械支护受力结构稳定,具有应用价值。

The stability of the supporting structure of deep foundation pit of drainage pipeline affects the construction and development of municipal administration.Therefore,the optimization method of mechanical supporting structure for deep foundation pit of drainage pipe in municipal construction is put forward.The optimization model of mechanical supporting structure of deep foundation pit is established,the optimization parameters are selected,and the stability objective function is calculated.The genetic algorithm is used to determine the initial population of mechanical support structure solution.By dealing with constraints,determining fitness function,crossover operation and variation operation,the optimal structure of mechanical support is obtained,and the optimal of mechanical support is realized.The experimental results show that the method of mechanical support structure of deep foundation pit is stable and has application value.