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据《小浪底工程报》报导,经过紧张的施工准备,小浪底水利枢纽主坝防渗墙槽孔施工,已于1997年12月8日正式开工。主坝防渗墙施工,是影响大坝施工期的控制性项目。首先施工的是防渗墙的左岸部分,墙体轴线长约154m,墙厚1.2m,最大槽孔深约69m,合同成墙面积为6700m~2。经过对基岩的进一步勘探,比较准确地查清了基岩面,并采
According to “Xiaolangdi Engineering News” reported that after intense construction preparation, Xiaolangdi Multipurpose Dam main dam impervious wall slot construction, has been officially started December 8, 1997. The construction of the main dam cutoff wall is a controlled project affecting the dam construction period. First of all, the left bank of the cut-off wall is constructed. The wall of the wall is about 154m long with a wall thickness of 1.2m. The maximum slot depth is about 69m and the contractual wall area is 6700m 2. After further exploration of bedrock, more accurate identification of bedrock surface, and mining