[河北]12米深基坑雙排樁支護(hù)施工方案_secret

1、1目錄第一部分第一部分總論.................................................................................................................1一.工程概況.......................................................................................

2、....................................1二.工程地質(zhì)及水文地質(zhì)條件...............................................................................................12.1地形、地貌..................................................................

3、..................................................12.2工程地質(zhì)條件................................................................................................................12.3水文地質(zhì)條件......................................

4、..........................................................................3三.方案編制依據(jù)...................................................................................................................43.1相關(guān)設(shè)計(jì)資料............

5、....................................................................................................43.2主要規(guī)程、規(guī)范............................................................................................................4

6、3.3主要法規(guī)........................................................................................................................5第二部分第二部分方案設(shè)計(jì)方案設(shè)計(jì)............................................................................

7、.....................................6一.基坑止水方案設(shè)計(jì)...........................................................................................................61.1止水、降水的重要性....................................................

8、................................................61.2降水井、觀測井布置....................................................................................................61.3止水帷幕設(shè)計(jì).................................................

9、...............................................................7二.基坑支護(hù)方案設(shè)計(jì)...........................................................................................................92.1方案制定...............................

10、.........................................................................................92.2樁錨結(jié)構(gòu)參數(shù)的確定....................................................................................................92.4擋土墻支護(hù)設(shè)計(jì).......

11、...................................................................................................12三.CFG樁設(shè)計(jì)...............................................................................................................

12、.......123.1方案設(shè)計(jì)要點(diǎn)..............................................................................................................123.2CFG樁設(shè)計(jì)參數(shù)...............................................................................

13、..........................12第三部分第三部分施工方案施工方案...............................................................................................................13一、施工方法.........................................................

14、..............................................................131.1測量施工......................................................................................................................131.2降水施工......................

15、................................................................................................141.3水泥土攪拌樁施工......................................................................................................171.4旋噴樁施

16、工..................................................................................................................201.5預(yù)應(yīng)力錨桿施工.............................................................................................

17、.............211.6護(hù)坡樁施工..................................................................................................................241.7CFG樁施工........................................................................

18、.........................................29二、投入的施工機(jī)械設(shè)備情況及施工用水電計(jì)劃...........................................................322.1選用的主要施工機(jī)械...................................................................................

19、...............322.2施工用電計(jì)劃..............................................................................................................332.3施工用水計(jì)劃.........................................................................

20、.....................................33三、施工進(jìn)度計(jì)劃...............................................................................................................33四、勞動(dòng)力安排計(jì)劃...................................................

21、........................................................33五、確保工程質(zhì)量的技術(shù)組織保證措施...........................................................................343二、冬季施工措施...........................................................

22、....................................................622.1冬期施工方案的編制依據(jù)..........................................................................................622.2冬期施工原則...................................................

23、..........................................................622.3冬施準(zhǔn)備工作.............................................................................................................622.4冬期施工階段劃分及各階段施工.......................

24、......................................................632.5冬季施工具體措施.....................................................................................................63第五部分第五部分基坑監(jiān)測及應(yīng)急預(yù)案基坑監(jiān)測及應(yīng)急預(yù)案........................

25、.....................................................................66一、基坑監(jiān)測.......................................................................................................................661.1監(jiān)測項(xiàng)目...............

26、.......................................................................................................661.2監(jiān)測方法、精度及監(jiān)測周期......................................................................................661.3允許變形值及報(bào)警值

27、..................................................................................................671.4監(jiān)測儀器設(shè)備..............................................................................................................6

28、81.5監(jiān)測成果......................................................................................................................681.6基坑支護(hù)結(jié)構(gòu)及周邊環(huán)境監(jiān)測點(diǎn)平面布置圖。......................................................70二、應(yīng)急預(yù)案.......

29、................................................................................................................702.1目的.....................................................................................................

30、.........................702.2應(yīng)急救援指揮機(jī)構(gòu)......................................................................................................702.3通訊和報(bào)警的聯(lián)絡(luò)方式.................................................................

31、.............................722.4應(yīng)急救援準(zhǔn)備..............................................................................................................732.5突發(fā)事件風(fēng)險(xiǎn)分析和預(yù)防......................................................

32、....................................732.6應(yīng)急救援終止和事故后恢復(fù)程序..............................................................................772.7應(yīng)急知識(shí)培訓(xùn)............................................................................