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大跨度钢筋混凝土箱形拱桥采用支架施工 ,支架的拼装与安全拆卸是施工的一大技术难点。本文简要介绍了洛 (阳 )三 (门峡 )高速公路许沟大桥单孔 2 2 0 m现浇箱形拱中支架的施工技术及有关注意事项
The long-span reinforced concrete box arch bridge adopts the support construction, and the assembly and safe disassembly of the support are a major technical difficulty of the construction. This article briefly introduces the construction technique of single-hole 220m cast-in-place box arch support in XUOPOU Bridge of Luo (Yang) Sanmenmen Expressway and some precautions