混凝土桥梁裂缝的成因及修补方法分析

Analyse of Causes of Concrete Bridge Cracks and Repair Methods

混凝土桥梁裂缝的产生对桥梁施工、桥梁运行和维护是一个挑战。首先分析了混凝土桥梁裂缝成因,包括车辆荷载、温度变化、施工工艺及混凝土收缩。进而,阐述了混凝土桥梁裂缝常见的修补方法。这些方法包括表面封闭修补法、压力灌浆修补法等;这些方法都有各自的优缺点及适用性,需根据工程实际情况作合理选择。

The cracks of concrete bridge construction, Bridges, operation and maintenance of the bridge is a challenge.First of all, this paper analyzes the concrete bridge crack formation. The author thinks that, vehicle load, temperature change, construction technology, could cause shrinkage of concrete, cracks. Then, this paper expounds the common method of concrete bridge crack repair.These methods including closed surface repair method, pressure grouting repair method, etc. These methods all have their own advantages and disadvantages and applicability, and need to make a reasonable choice according to the practical situation.