The construction technology of simply supported-continuous small box girder of Wanjiahu large Bridge;
万家湖大桥先简支后连续小箱梁施工技术
With a three-span simple-supported then continuous small box girder bridge for the object to study and in consideration of the vertical and transverse variation of the temperature field, ANSYS is adopted to build a spatial model for analysis and calculation of the combined stress of short action effects, with emphasis on the influence of temperature stress on control of the combined stress.
以三跨先简支后连续小箱梁桥为研究对象,考虑温度场随竖向和横向的变化,采用ANSYS建立空间模型,分析计算了作用短期效应组合应力,重点分析了温度应力对其控制组合应力的影响。
A detailed description is given of the technique for prefabrication and erection of the 35 m small box girder.
详细介绍了35 m预制小箱梁的预制工艺和安装施工技术。
Analysis of Transverse Load Distribution of Multi-box Girder Bridge and Its Experimental Study;
带翼小箱梁桥荷载横向分布计算分析及其试验研究
Based on the virtual laminated element program,the ultimate loading capacity of a typical 5-span prestressed concrete simply supported continuous multi-box girder bridge is calculated and analyzed by both the geometrical nonlinearity and material nonlinearity effect.
以虚拟层合单元程序为基础,综合考虑结构的几何非线性和材料非线性,对一典型5跨简支连续小箱梁桥结构的极限承载力进行了分析,重点考察了在有、无跨中横隔梁时,结构从加载到破坏的全过程中受力性能的变化。