污水泵站工程沉井、頂管施工技術(shù)與安全專項(xiàng)方案(評(píng)審?fù)瓿尚薷陌?

1、寧波市鄞州區(qū)石碶街道星光村污水泵站工程寧波市鄞州區(qū)石碶街道星光村污水泵站工程沉井、頂管施工技術(shù)沉井、頂管施工技術(shù)與安全專項(xiàng)方案與安全專項(xiàng)方案編制：審閱：審核：審批：寧波市政工程建設(shè)集團(tuán)股份有限公司寧波市政工程建設(shè)集團(tuán)股份有限公司20152015年5月目錄1工程概況工程概況....................................................................................

2、.......................................91.11.1沉井沉井............................................................................................................................91.21.2頂管頂管...................................

3、.......................................................................................111.31.3地質(zhì)情況分析地質(zhì)情況分析..........................................................................................................111.3.1

4、周邊環(huán)境..........................................................................................................111.3.2地形地貌...................................................................................................

5、.......111.3.3地基土的構(gòu)成與特性......................................................................................111.3.4沉井所處土層..................................................................................................

6、131.3.5地質(zhì)針對(duì)性措施..............................................................................................132編制依據(jù)編制依據(jù).....................................................................................................

7、....................133沉井施工技術(shù)方案沉井施工技術(shù)方案.........................................................................................................143.13.1工藝流程工藝流程............................................................

8、......................................................163.23.2各工序施工方法各工序施工方法......................................................................................................173.2.1測量定位...............................

9、...........................................................................173.2.2基坑開挖..........................................................................................................173.2.3墊層制作.................

10、.........................................................................................183.2.4井壁分節(jié)制作..................................................................................................193.2.5沉井下沉.........

11、.................................................................................................243.2.6封底..................................................................................................................

12、283.2.7底板施工..........................................................................................................293.2.8頂板施工............................................................................................

13、..............293.33.3沉井下沉施工質(zhì)量通病防治沉井下沉施工質(zhì)量通病防治..................................................................................293.3.1下沉過快.................................................................................

14、.........................293.3.2下沉過慢..........................................................................................................313.3.3突沉.....................................................................

15、.............................................303.3.4傾斜..................................................................................................................313.3.5位移或扭位........................................