因此，桥梁上部采用先简支后连续梁结构越来越多。
Therefore, the upper bridge with simply supported continuous beam structure more and more.
本文介绍了预应力先简支后连续梁桥的施工方法，施工工艺，质量保证措施，施工过程中的注意要点以及体系转换问题。
This paper also introduced the construction method, construction technic, quality control measure and the construction key of the structure system change of the simple-continuous beam bridge.
“先简支后连续”体系梁在公路及市政桥梁建设中得到广泛应用。
The "First Simply Supported Then Continuously Supported" system girder is widely applied in road and urban bridge construction.
针对先简支后连续的组合箱梁设计、施工中经常出现的质量通病，提出相应的防治措施及建议具有一定的现实意义。
It has realistic significance to present some prevention measures and advice aiming at common quality problems lie in simple supported steel-concrete composite box girder design and construction.
方家寨大桥采用先简支后连续的施工方法，通过逐次接长连续梁、逐次拆除临时支座来实现结构体系转换。
The removal of temporary bearings is one of the key procedures in the construction of transforming a simply-supported bridge structure into a continuous one.
方家寨大桥采用先简支后连续的施工方法，通过逐次接长连续梁、逐次拆除临时支座来实现结构体系转换。
The removal of temporary bearings is one of the key procedures in the construction of transforming a simply-supported bridge structure into a continuous one.
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