鋼板樁支護溝槽開挖施工方案

1、目錄1編制依據....................................................................................................................12工程概況...........................................................................................

2、.........................13工程地質與水文情況................................................................................................23.1工程地質................................................................................

3、.........................................23.2水文情況.........................................................................................................................24施工計劃............................................

4、........................................................................34.1擬投入本工程的施工機械.............................................................................................34.2勞動力安排...............................

5、.....................................................................................35施工工藝技術............................................................................................................45.1技術參數...........

6、..............................................................................................................45.2工藝流程......................................................................................................

7、...................55.3施工方法.........................................................................................................................55.4溝槽開挖質量標準............................................................

8、.............................................65.5檢查驗收.........................................................................................................................65.6特殊管段的處理...................................

9、..........................................................................76施工安全保證措施....................................................................................................76.1組織保證............................

10、.............................................................................................86.2技術保證.......................................................................................................................

11、..86.3應急預案.........................................................................................................................97質量保證措施.................................................................................

12、.........................118季節(jié)性施工技術措施..............................................................................................118.1雨季施工技術措施............................................................................

13、...........................118.2冬季施工技術措施.......................................................................................................12全南縣20152016年城區(qū)污水管網改擴建項目2程，建設任務主要排污管道及混凝土渠道溝槽開挖。表1工程量匯總表工程量匯總表序號序號名稱名稱單位單位工程

14、量工程量1HDPE管管徑管管徑30CMm128872HDPE管管徑管管徑40CMm43213HDPE管管徑管管徑50CMm7544HDPE管管徑管管徑60CMm26625HDPE管管徑管管徑80CMm3686HDPE管管徑管管徑100CMm3547混凝土渠道混凝土渠道m(xù)1115.614鋼板樁支護鋼板樁支護t151003工程地質與水文情況工程地質與水文情況3.13.1工程地質工程地質根據工程地質勘查報告，本次設計管道部分敷設于素填土、細沙

15、等地質基承載力難以滿足管道敷設要求土層時，需進行換填夯實處理，采用碎石進行換填，碎石上再敷設10cm的砂礫找平層。具體換填方案：①土層厚度≤1m時，需將土挖出全部換填；②土層厚度＞1m時，換填厚度為1m，超過1m的雜填土層需夯實，夯實密度不得小于85%。4施工計劃施工計劃4.14.1擬投入本工程的施工機械擬投入本工程的施工機械表2工程機械投入表工程機械投入表序號機械過設備名機械過設備名稱型號規(guī)格型號規(guī)格數量數量額定額定功率功率KWHKW