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钢便桥是高速公路建设领域最常见的一种临时结构,而钢便桥的设计直接影响着项目措施费及后期主体施工。本文以海启项目汇吕线钢便桥为例,阐明了其在位置选定及主要结构形式2方面的方案比选,分别进行了备选方案的安全性、经济性和可行性分析,最终确定方案。此类方案比选过程完整详尽,在类似工程项目中具有可借鉴性。
The Steel Pontoon Bridge is the most common temporary structure in the field of expressway construction. The design of Steel Pontoon Bridge directly affects the project cost and the main construction in the later period. This paper takes the Huilu Steel Fiber Reinforced Bridge of Haiqi Project as an example, illustrates its comparison and selection of the two aspects of location selection and main structural forms, analyzes the safety, economy and feasibility of the alternatives and finally determines Program. Such programs compare the selection process is complete and exhaustive, with similar projects can be used for reference.