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以横塘大桥现浇箱梁施工实践为例,文章利用有限元软件Algor建立模型,对321型贝雷片组成的支架进行结构局部应力应用验算,提出了现浇桥梁上部结构(现浇箱梁)中方案和计算的一般方法,尤其在软弱地基上使用贝雷片作为现浇支架,直接利用既有承台作为支架的支撑基础,不需处理地基,避免地基沉降带来的影响,节约了投资,提高了材料的回收利用率。
Taking the construction practice of cast-in-place box girder of Hengtang Bridge as an example, the finite element software Algor was used to build a model to check the application of structural local stress on the brace composed of 321 Berets. The cast-in-place bridge superstructure ) In the program and calculation of the general method, especially in the soft ground using Bei Lei film as a cast-in-place stent, the use of existing platform as a direct support for the support, without the foundation to avoid the impact of settlement, saving Investment, improve the material recycling rate.