【摘要】 目前,大跨径预应力混凝土连续刚构桥的修筑技术在我国取得了长足进步,但在一些已建成桥梁中出现了种种病害。在总结其病害形式的基础上,探讨维修加固施工监测与控制的重要性,并以体外预应力加固技术为例,论述施工监控的主要内容及其注意事项,具有重要的意义。更多还原

【Abstract】 A great progress has been made in the construction technology of the long-span prestressed concrete continuous rigid-frame bridge in China. However, a variety of diseases have been discovered in some old bridges. Based upon the summarization of the main types of the diseases in this kind of bridge, the significance function of monitoring is discussed during the process of its reinforcement construction. Exampled by the reinforcement of external prestressed method, the main points and the matters needing attention are expounded during its monitoring process.更多还原