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１工程地质条件于桥水库坝基地质条件复杂，高压喷射灌浆加固处理位于桩号１＋４００～１＋５００和桩号１＋７５０～１＋８７０段，该段地层回填土成分复杂，其中包括５～１０cm的混凝土盖板，约５０cm厚的碎石、块石和壤土．含壤土卵砾石及砂卵砾石的卵砾石含量为３０％～６
1 Geological conditions Yuqiao geological conditions of dam foundation complex, high-pressure jet grouting reinforcement located in the station 1 +400 ~ 1 +500 and station 1 +750 ~ 1 +870 section, backfill section of the complex composition of the earth, including 5 ~ 10cm of concrete cover, about 50cm thick gravel, rock and loam. The gravel content of loamy pebbles and sand and gravel is 30% ~ 6