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中国建筑工程总公司在国外承包了某大型水力枢纽工程。该工程必须在大面积降低地下水位情况下,才能开挖土方、进行防渗板桩和闸底基础等施工,技术复杂,要求很高,而且工期特紧。由于工程技术人员的努力,对降水方案作了详尽周密的考虑,施工中确保了大面积基坑全部疏干,从而保证了工程质量,加快了工程进度,取得了良好效果。现就该工程降水技术措施,分别叙述於后。
China Construction Engineering Corporation has contracted a large-scale hydraulic engineering project abroad. The project must be able to excavate earthwork, carry out impervious sheet piles and sluice-bottom foundation construction under conditions where the groundwater level is reduced in large areas. The technology is complex, the requirements are high, and the construction period is extremely tight. Due to the efforts of engineers and technicians, detailed consideration was given to the precipitation program. During the construction, a large area of the foundation pit was completely drained, thus ensuring the quality of the project, accelerating the progress of the project, and achieving good results. Precipitation technical measures for the project are described separately.