旧桥加固是目前较快捷、经济的解决公路交通运输的一项重要措施。通过桥梁的加固处理可满足目前桥梁的使用功能,并可节省资金和时间。对于桥梁普遍存在混凝土开裂,尤其是存在的45°斜裂缝等情况,可通过在梁体相应部位粘贴一定数量的钢板,使钢板与梁体共同受力,实现阻止箱梁裂缝的继续发展。 Old Bridge reinforcement is currently more efficient and economical solution to highway traffic is an important measure. Through the bridge reinforcement processing can meet the current bridge function, and can save money and time. For the common cracking of concrete bridges, especially the 45 ° oblique cracks, the steel plate and the beam body can be jointly stressed by affixing a certain number of steel plates to the corresponding parts of the beam body to prevent the continuous development of cracks in the box girder.