金沙江向家坝小汶溪桥墩身施工方案.doc

《金沙江向家坝小汶溪桥墩身施工方案.doc》由会员上传分享，免费在线阅读，更多相关内容在应用文档-天天文库。

1、目录一、编制依据·······························································································2二、工程概况·······························································································2三、总体施工方案说明·······································

2、············································2四、施工前准备工作······················································································3五、人员、机械设备方面投入··········································································31、人员投入····················

3、·······································································42、机械设备投入·····················································································4六、施工工艺···················································································

4、············51、施工流程···························································································52、主墩墩身施工·····················································································53、主墩系梁施工··········································

5、···········································84、引桥墩（台）身、盖梁（台帽）施工·······················································9七、质量技术保证措施···················································································91、钢筋质量保证措施·································

6、···············································92、模板工程质量保证措施··········································································93、外观质量控制······················································································9八、安全及环保注意事项··············

7、································································10小汶溪桥墩（台）身施工方案一、编制依据1、小汶溪大桥相关设计图纸及说明；2、《公路工程质量检验评定标准》(JTGF80/1-2004)、《公路桥涵施工技术规范》（JTJ041-2000）、《公路工程施工安全技术规程》(JTJ076-95)等施工规范；3、我项目部现有技术水平、施工队伍及机械设备情况；4、我公司施工类似工程的经验。二、工程概况小汶溪大桥是复建的绥江至水富公路横跨

8、小汶溪的公路特大桥，亦为绥江县城新址对外交通的主要通道。桥梁总体布置为3×30m（预应力砼小箱梁）+(80+145+80)m（连续刚构）+3×30m（预应力砼小箱梁），桥梁全长492.28m。小汶溪桥0#、9#桥台采用重力式桥台，1#、2#、7#、8#桥墩为双柱式桥墩，桩顶均设系梁。其中1#、8#桥墩为D1.8m圆柱，墩顶设钢筋混凝土盖梁；2#、7#桥墩为D2.2m圆柱，墩顶设钢筋混凝土盖梁，柱间设横撑。小汶溪桥3#、6#桥墩