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高速公路改扩建工程受安全保通及空间限制,进行原有被交钢桥加长改造施工难度较大。结合连霍高速郑州至洛阳段改建工程TJ-10工程实践,介绍了原有被交道钢桥加长改造的施工工艺和质量控制措施。
Expressway expansion project by the security and space constraints, to be the original extension of steel bridge construction is more difficult. Combined with the TJ-10 engineering practice of Lianhuo high-speed Zhengzhou-Luoyang section reconstruction project, the construction technology and quality control measures for the original steel bridge to be renovated are introduced.