電力工程人工挖孔樁施工方案(掏挖基礎施工方案)

1、雅安滎經(jīng)雅安滎經(jīng)220kV220kV變電站配套變電站配套110kV110kV接入工程接入工程人工挖孔樁基礎施工技術措施人工挖孔樁基礎施工技術措施雅安蜀能水利水電工程有限責任編制二〇一二年四月人工挖孔樁基礎施工技術措施人工挖孔樁基礎施工技術措施目錄1.適用范圍...........................................................................................

2、.........................................................12.目的............................................................................................................................................................13

3、.編寫依據(jù)....................................................................................................................................................14.工程概況及人工挖孔樁基礎特點..................................................

4、..........................................................14.1.本工程本標段概況............................................................................................................................14.2.人工挖孔樁基礎的特點..........

5、..........................................................................................................25.工藝流程...........................................................................................................

6、.........................................46.原狀土掏挖式普通基礎的基坑開挖........................................................................................................56.1.人力開挖基坑..............................................

7、......................................................................................56.2.人力清理基坑...........................................................................................................................

8、.........87.鋼筋綁扎..................................................................................................................................................108.模板施工..................................................

9、................................................................................................108.1.支模....................................................................................................................

10、..............................118.2.模板的固定......................................................................................................................................129.地螺施工.....................................

11、.............................................................................................................139.1.地螺固定.....................................................................................................

12、.....................................139.2.地螺的調(diào)整......................................................................................................................................1310.地面與地下銜接部位的處理.....................

13、...........................................................................................1310.1.防止基坑與模板錯位.................................................................................................................

14、...1310.2.防止模板與坑口出現(xiàn)縫隙............................................................................................................1311.混凝土施工.................................................................................

15、...........................................................1312.拆模........................................................................................................................................................14

16、13.安全措施及注意事項............................................................................................................................1414基礎施工階段危險點辨識及預控措施................................................................