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为了克服空心板铰缝偏弱、支座易脱空等缺陷,安徽省交通规划设计研究院开发出了低高度密肋式T梁来替代空心板梁,编制了低高度密肋式预应力混凝土简支T梁通用图。本文着重介绍了运用改进枚举法进行优化设计,对影响结构受力的几个变量,如横隔板设置、湿接缝的宽度、T梁桥的横向宽度,进行参数化分析,优化通用图的细部设计,使其更加完善、合理。
In order to overcome the weakness of hollow plate joints weakness, easy to vacant bearing defects, Anhui Province Transportation Planning and Design Institute has developed a low-height multi-ribbed T beam instead of hollow girder, the preparation of low-height dense rib prestressed concrete Simple support T beam general map. This article focuses on the use of improved enumeration method to optimize the design of several variables that affect the structure of the force, such as the setting of the diaphragm, the width of the wet joint, the transverse width of the T girder bridge, parametric analysis, optimization general- The details of the design, to make it more complete and reasonable.