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二工乡八家户村私宅
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嵩明县八家村水库扩建工程防渗处理方案及效果评述
八家村水库地质条件复杂,库区基岩系石灰岩及砂页岩组成,岩溶发育(尤其左岸),断层裂隙交错,为典型的喀斯特碳酸盐岩地区,库底和坝址没有相对隔水层。水库扩建时为节省工程投资,防渗处理方案为比较节俭的悬挂式帷幕灌浆。通过观察、观测灌浆前后老坝背水面、坝脚和左岸山体下游的渗漏情况,分析渗漏量大小及其变化趋势,查找渗漏通道,进行补强灌浆,使防渗处理取得较好的效果。