蕪合高速改擴建工程首件樁基施工專項技術方案

1、樁基首件制施工樁基首件制施工方案報審表（通用）方案報審表（通用）監(jiān)013合同號：WH03承包人：編號：致：蕪合高速改擴建工程第二駐地辦：我單位根據施工合同的有關規(guī)定已編制完成K98946秦垅分離式立交橋0a#0樁基首件制施工方案，特此上報，請予審查。附件：樁基首件制施工方案。項目技術負責人：日期：駐地辦審核意見及簽名：年月日總監(jiān)辦審核意見及簽名：年月日項目辦審核意見及簽名：年月日注：本表一式4份，承包人、駐地辦、總監(jiān)辦、項目辦各1份。安

2、徽路橋集團WH03標樁基首件施工方案0目錄一、一、編制范圍和依據編制范圍和依據.................................................................................................................................................31.11.1編制范圍編制范圍.....................

3、..................................................................................................................................31.21.2編制依據編制依據...........................................................................

4、............................................................................3二、編制原則二、編制原則...................................................................................................................................

5、............................3三、工程概況三、工程概況...............................................................................................................................................................33.13.1地質情況地質情況.....

6、...................................................................................................................................................4四、首件目的四、首件目的............................................................

7、...................................................................................................5五、首件制選擇五、首件制選擇..........................................................................................................

8、.................................................5六、施工準備六、施工準備..............................................................................................................................................................

9、.66.16.1機械準備情況機械準備情況...............................................................................................................................................66.26.2施工人員情況：施工人員情況：....................................

10、........................................................................................................76.3材料準備情況..........................................................................................................

11、................................86.4技術準備....................................................................................................................................................8七、樁基施工方案及施工工藝七、樁基施工方案及施工工藝.....

12、..............................................................................................................................87.17.1施工工藝流程施工工藝流程...........................................................................

13、....................................................................97.27.2施工放樣施工放樣.........................................................................................................................................

14、...............97.37.3護筒埋設護筒埋設......................................................................................................................................................107.47.4鉆機就位鉆機就位........................

15、..............................................................................................................................107.57.5泥漿制備及泥漿循環(huán)系統(tǒng)泥漿制備及泥漿循環(huán)系統(tǒng)................................................................

16、..........................................................107.67.6鉆孔鉆孔......................................................................................................................................................

17、........117.6.17.6.1鉆速：鉆速：.............................................................................................................................................117.6.27.6.2地質取樣：地質取樣：...............................

18、......................................................................................................117.6.37.6.3掏渣：掏渣：....................................................................................................

19、..........................................117.6.47.6.4旋挖鉆旋挖鉆.............................................................................................................................................117.6.57.6.5沖擊鉆沖擊鉆.

20、............................................................................................................................................127.6.67.6.6成孔要點成孔要點............................................................

21、.............................................................................137.6.77.6.7沖孔樁機操作要點及注意事項沖孔樁機操作要點及注意事項.....................................................................................................137.

22、77.7成孔檢測成孔檢測.....................................................................................................................................................147.87.8清孔清孔...............................................

23、..............................................................................................................157.97.9鋼筋籠制作和安裝鋼筋籠制作和安裝......................................................................................

24、...............................................157.9.17.9.1鋼筋檢驗鋼筋檢驗..........................................................................................................................................157.9.27.9.2鋼筋籠

25、加工鋼筋籠加工......................................................................................................................................167.9.37.9.3鋼筋籠安裝鋼筋籠安裝.........................................................

26、.............................................................................177.107.10混凝土灌筑混凝土灌筑...........................................................................................................................

27、....................18八、鉆孔樁質量通病及預防措施八、鉆孔樁質量通病及預防措施.............................................................................................................................218.18.1塌孔塌孔.................................

28、............................................................................................................................218.28.2鉆孔偏斜鉆孔偏斜................................................................................

29、...................................................................228.38.3卡鉆、掉鉆卡鉆、掉鉆.......................................................................................................................................

30、...........228.48.4糊鉆糊鉆.............................................................................................................................................................238.58.5擴孔和縮孔擴孔和縮孔......................

31、...........................................................................................................................238.68.6澆砼時塌孔、縮徑澆砼時塌孔、縮徑.........................................................................

32、............................................................238.78.7鉆桿折斷鉆桿折斷................................................................................................................................................