预应力混凝土箱梁裂缝成因分析及处治措施

结合工程实例,根据混凝土内部结构产生裂缝的机理,介绍了预应力混凝土箱梁裂缝的开展情况,分析了箱梁产生裂缝的原因及种类,提出了控制裂纹的改进措施及注意事项,以避免混凝土箱形结构产生裂缝,从而保证结构的正常使用。

The reason analysis and management steps of inherent stress concrete box beam crack

Combined with project example,according to the mechanics of creating crack in the inner of concrete,it introduces the development of inherent stress concrete box beam crack,analyses the reason and kinds of the crack creating of box beam,puts forward the improve steps and the transaction should be pay attention to of control crack,to avoid crack creating of concrete box beam structure,and this will assure the normal use of structure.