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现行高速铁路桥梁的结构形式主要还是以梁桥为主,梁桥具有良好的受力特性。连续刚构是梁桥的一种,在桥下净空或桥下通行受到一定限制时,采用这种形式的桥梁,可以较好地解决这些问题。本文以某铁路16+2*16.78+16m钢筋混凝土连续刚构桥设计为例,采用两种不同方法计算盖梁受力,比较两种方法的特点。
The existing high-speed railway bridge structure is mainly based on the beam bridge, beam bridge has good stress characteristics. Continuous rigid frame is a kind of beam bridge, under the bridge under the clearance or bridge under certain restrictions, the use of this form of bridge, you can better solve these problems. Taking the design of 16 + 2 * 16.78 + 16m RC rigid frame bridge of a railway as an example, two different methods are used to calculate the force of the cap girder, and the characteristics of the two methods are compared.