金朱跨线桥现浇箱梁预应力张拉压浆作业指导书介绍.docx

预应力张拉压浆作业指导书 目 录  TOC \o 1-2 \h \z \u  HYPERLINK \l _Toc391023376 1、编制依据  PAGEREF _Toc391023376 \h - 1 -  HYPERLINK \l _Toc391023377 2、工程概况  PAGEREF _Toc391023377 \h - 1 -  HYPERLINK \l _Toc391023378 3、 预应力张拉施工工艺  PAGEREF _Toc391023378 \h - 1 -  HYPERLINK \l _Toc391023379 3.1 作业准备  PAGEREF _Toc391023379 \h - 1 -  HYPERLINK \l _Toc391023380 3.2 施工工艺  PAGEREF _Toc391023380 \h - 2 -  HYPERLINK \l _Toc391023381 3.3预应力张拉其它要求  PAGEREF _Toc391023381 \h - 4 -  HYPERLINK \l _Toc391023382 4、预应力压浆施工工艺  PAGEREF _Toc391023382 \h - 4 -  HYPERLINK \l _Toc391023383 4.1 作业准备  PAGEREF _Toc391023383 \h - 5 -  HYPERLINK \l _Toc391023384 4.2 孔道压浆施工工艺  PAGEREF _Toc391023384 \h - 5 -  HYPERLINK \l _Toc391023385 4.3施工注意事项  PAGEREF _Toc391023385 \h - 7 -  HYPERLINK \l _Toc391023386 5、预应力施工常见问题及处理措施  PAGEREF _Toc391023386 \h - 8 -  HYPERLINK \l _Toc391023387 6、 各种保证措施  PAGEREF _Toc391023387 \h - 11 -  HYPERLINK \l _Toc391023388 6.1质量保证措施  PAGEREF _Toc391023388 \h - 11 -  HYPERLINK \l _Toc391023389 6.2安全、环保施工措施  PAGEREF _Toc391023389 \h - 12 -  金朱跨线桥现浇箱梁预应力张拉压浆作业指导书 1、编制依据 （1）《公路桥涵施工技术规范JTJ/T F50-2011》 （2）《金朱跨线桥施工图》 2、工程概况 金朱跨线桥箱梁120m，宽17.3m，为单箱三室变截面连续箱梁，梁高1.83m～2.93m，桥跨布置为（35+50+35m）。 部位编号钢束规格束数张拉控制力0.72fpk（KN）左端伸长量（mm）右端伸长量（mm）张拉情况千斤顶型号箱梁纵向钢束F1A15-φs15.2042792.23382382两端张拉YCW350BF2A15-φs15.2042792.23381381两端张拉YCW350BF3A15-φs15.2042792.23379379两端张拉YCW350BF1B15-φs15.2042792.23382382两端张拉YCW350BF2B15-φs15.2042792.23381381两端张拉YCW350BF3B15-φs15.2042792.23378378两端张拉YCW350BT112-φs15.2042233.79389389两端张拉YCW250/350BT212-φs15.2082233.79389389两端张拉YCW250/350BT314-φs15.20242606.0842.142.1两端张拉YCW350BD112-φs15.20122233.79119119两端张拉YCW250/350B箱梁横梁钢束H1A5-φs15.208930.7458.158.1两端张拉YCW250/350BH2A17-φs15.2063164.5344.844.8两端张拉YCW250/350BH1B15-φs15.20102792.2344.744.7两端张拉Y