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鄂尔多斯东胜体育中心体育场采用钢拱斜拉网格结构体系,拉索数量多,相互影响较大。针对工程特点对结构进行找力分析,得出每根拉索对应的等效预张力,并考虑施工过程中拉索长度的变化,确定合理的拉索原始长度及调节量;采用基于改进遗传算法的优化理论确定拉索施工顺序,按此顺序对拉索施加相应的等效预张力,得出每根拉索的施工张拉力。
Erdos Dongsheng Sports Center Stadium using steel arch inclined grid structure system, a large number of cables, a greater impact on each other. According to the engineering characteristics of the structure to find the force analysis, obtained each cable corresponding to the equivalent pre-tension, and consider the length of the cable during construction changes to determine the reasonable length and adjustment of the original cable; using improved genetic algorithm Optimization theory to determine the cable construction sequence, according to this order to the cable equivalent pre-tension applied to obtain the construction of each cable tension.