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ye ya xi wa ji dong wa gong yi zai wen lai du dong shui ba dao liu dong de ying yong
Pages: 95-96,100
Year: Issue:  4
Journal: Water Conservancy Science and Technology and Economy

Keyword:  导流洞铣挖机破碎锤砂岩软岩文莱都东水坝;
Abstract: 文莱都东水坝工程导流洞长270 m,最小开挖洞径6.2m.合同中规定不允许使用钻爆法,因此采用320反铲装配液压铣挖头和破碎锤作为主要开挖设备,在软岩和较软岩地质条件下进行隧洞开挖,开挖震动小,成型断面好,围岩稳定,安全性高,取得了较好的经济效益,可供类似地质条件下洞挖工程借鉴.
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