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英布鲁水电站枢纽基础均为软弱砂岩,该岩体透水性强,而坝区地下水位埋深较浅,基础开挖后基坑排水成为制约工程质量和进度的关键因素。该工程采用排水盲沟排水,在提高施工质量的同时也加快了工程的施工进度。
The foundation of Yingbulu Hydropower Station are all soft sandstone. The rock mass is permeable to water and the depth of groundwater table in the dam area is shallow. Drainage of foundation pit after foundation excavation is the key factor that restricts the quality and progress of the project. The project uses drainage blind ditch drainage, improve the quality of construction at the same time also accelerated the construction progress of the project.