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Calculation on initial omission settlement of earth dams based on hybrid genetic algorithm
Author(s): WANG Zhu-qing, QIE Zhi-hong, WU Xin-miao
Pages: 126-
130
Year: 2016
Issue:
3
Journal: Journal of Agricultural University of Hebei
Keyword: earth dam; initial omission settlement; hybrid genetic algorithm; monitoring model;
Abstract: 由于种种原因,已建土坝中很多存在初始沉降量的漏测现象,而在建立土坝沉降监测模型和裂缝分析中,必须首先确定漏测的初始沉降.本研究提出了一种基于混合遗传算法的土石坝初始漏测沉降计算方法.该方法基于以往文献中的对数模型,并把初始漏测沉降量S0直接作为模型参数,采用标准遗传算法与二次规划有机结合的混合遗传算法HGA直接求解模型参数,通过对2个工程实例的分析结果表明,本研究模型和方法具有物理概念明确、无需人工试算分散系数α,计算速度快,结果精度高的优点.
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