下载后可任意编辑预应力梁施工方案12024 年 4 月 19 日下载后可任意编辑目 录1 编制目的及编制依据............................................................................11.1 目的...................................................................................................11.2 编制依据..........................................................................................12 适用范围及施工概况............................................................................13 预应力施工概况...................................................................................23.1 预应力材料张拉设备....................................................................23.2 张拉设备选用................................................................................24 张拉准备工作.......................................................................................25 施工方法及工艺流程...........................................................................35.1 工艺流程.........................................................................................35.2 施工方法........................................................................................35.2.1 管道安装..................................................................................312024 年 4 月 19 日下载后可任意编辑5.2.2 穿束.........................................................................................45.2.3 预应力张拉.............................................................................45.2.4 孔道压浆.................................................................................76 预应力施工常见问题及处理措施......................................................96.1 锚垫板面与孔道轴线不垂直或锚垫板中心偏离孔道轴线......96.2 锚头下锚板处混凝土变形开裂...................................................96.3 滑丝与断丝...................................................................................106.4 波纹管线形与设计偏差较大............................
