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张拉成形网格结构成形过程参数分析

Keywords: 网格结构,张拉成形,预应力,参数分析

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Abstract:

为进一步掌握张拉成形网格结构成形性能,根据结构特点,以结构上弦截面、腹杆、刚臂、高跨比、中心环梁等为主要影响参数,通过理论模拟与分析,结合其现场施工方法,就一个100m跨的张拉成形网格结构工程实例,全面研究了各设计参数对结构成形性能的影响,结果表明,上弦截面、刚臂节间数和高跨比是影响结构成形的3个最主要的参数,其余参数对结构成形内力影响不大,适宜的刚臂对结构成形非常有利,并得出了各参数对结构成形的影响特点.

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