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Comparative Analysis of Several Construction Scheme of a Large-sized Tie-arch Aqueduct

机译:大型领带拱渡槽几种施工方案的比较分析

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An aqueduct of larger-span prestressed concrete arch structure for river diversion project is located in coastal areas, and raises difficult questions on deformation and stability control of the construction process due to greater wind load and poor soil. Due to the limited width of bracket erection, this paper put forward five possible construction schemes, and does the comparative analysis using three-dimensional finite element program, and gets the economic and reasonable one. Finally conduct a pressure test after the bracket erection, and verify the analysis results using measured stress and deformation data.
机译:河流转移项目的较大跨度预应力混凝土拱结构的渡槽位于沿海地区,对施工过程的变形和稳定性控制造成困难问题,由于风力负荷和差的土壤。由于支架架设的宽度有限,本文提出了五种可能的施工方案,并使用三维有限元项目进行比较分析,并获得经济合理的结构。最后在支架安装后进行压力测试,并使用测量的应力和变形数据验证分析结果。

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