论文部分内容阅读
结合江阴大桥北引桥橡胶支座病害及更换施工,提出了同步顶升更换简支T梁桥的技术要求;对于更换原来在T梁梁底设置调平钢板的简支T梁桥球冠式橡胶支座,宜采用矩形橡胶支座并设置调平钢板;针对支座垫石尺寸与竣工图不符及梁底与支座垫石之间高度不够的情况,采取加工钢支墩,通过植筋与支座垫石相连接,以便增大千斤顶安设面积的方案;设计要求简支T梁顶升高度控制在3mm,根据施工实践提出了简支T梁非过渡墩顶升高度控制在5mm,过渡墩顶升高度控制在6mm的结论。
Combined with the construction and replacement of the rubber bearings of the North Approach Bridge of Jiangyin Bridge, the technical requirements for synchronous lifting and replacement of the simple T-girder bridge are proposed. For the replacement of the simple-supported T-beam bridge crown rubber Supports should be rectangular rubber bearings and leveling steel plate; for the support cushion stone size and the completion of the map does not match and the bottom of the beam and the support pad height is not enough between the case, by processing steel pier, through planting bar and The design requirements of the simple support T-beam lifting height control in 3mm, according to the construction practice of simple support T-beam non-transitional pier head height control in 5mm, the top of the transition pier Lifting control at 6mm conclusion.