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土方开挖分几种
更新时间: 2020-07-03 00:00:00  

土方开挖是工程初期以至施工过程中的关键工序,将土和岩石进行松动、破碎、挖掘并运出的工程。在水利工程中,土方开挖广泛应用于场地平整和削坡,水工建筑物地基开挖,地下洞室开挖,河道、渠道、港口开挖及疏浚,填筑材料、建筑石料及混凝土骨料开采,围堰等临时建筑物或砌石、混凝土结构物的拆除等。

按岩土性质,土石方开挖分土方开挖和石方开挖;土方开挖按施工环境是露天、地下或水下,分为明挖、洞挖和水下开挖。

关键词: 土方 开挖

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