土建工程土方开挖施工方案目录§1编制的目的..............................................................................................................4§2编制依据....................................................................................................................4§3工程概况....................................................................................................................43.1工程概况...............................................................................................................43.2工程地质及水文条件...........................................................................................63.2.1工程地质........................................................................................................63.2.2水文地质........................................................................................................7§4设计概况....................................................................................................................84.1支护设计...............................................................................................................84.2基坑开挖设计.......................................................................................................9§5主要工程数量..........................................................................................................10§6施工总体布置..........................................................................................................106.1场地布置.............................................................................................................106.1.1施工场地布置原则......................................................................................106.1.2施工场地布置..............................................................................................10§7土方开挖施工..........................................................................................................117.1土方开挖施工工艺.............................................................................................117.2土方开挖施工方案.............................................................................................127.2.1土方施工......................................................................................................137.2.2基坑稳定性控制..........................................................................................147.2.3弃土外运......................................................................................................157.2.4基坑开挖注意事项......................................................................................157.2.5检验标准......................................................................................................15§8锚喷施工..................................................................................................................168.1锚喷施工工序.....................................................................................................168.2工作面的开挖及注意事项.................................................................................168.3喷射混凝土施工.................................................................................................168.4施工标准及技术要求.................................................................................
