桥梁工程施工质量通病及防治措施目录一、基础部分...................................................................................................................11、基坑开挖.....................................................................................................................1二、沉井质量通病以及对策.................................................................................................102.1、基坑开挖................................................................................................................102.2、沉井制作................................................................................................................112.3、沉井下沉................................................................................................................14三、桩基工程质量通病及防治.............................................................................................193.1、锤击沉桩质量通病及防治....................................................................................193.2、射水沉桩质量通病及防治....................................................................................213.3、振动沉桩质量通病及防治....................................................................................233.4、静力压桩质量通病及防治....................................................................................243.5、灌注桩成孔的质量通病及防治............................................................................243.6、钻孔桩混凝土灌注时的质量通病及防治............................................................27五、模板和支架.....................................................................................................................315.1、现浇混凝土结构的模板........................................................................................315.2、预制构件模板........................................................................................................365.3、施工胀模通病防治措施........................................................................................37六、钢筋...........................................................................................................................396.2、钢筋焊接质量通病及防治....................................................................................39七、混凝土.............................................................................................................................457.1、自拌混凝土............................................................................................................45八、预应力混凝土T梁和箱梁.............................................................................................518.1、后张法预应力混凝土工艺...................................................................................518.2、预应力混凝土T梁...............................................................................................568.3、预应力混凝土箱梁................................................................................................58九、预制梁安装.....................................................................................................................639.1、一般缺陷................................................................................................................639.2、预制梁移动和堆放............
