格老寨水库渗漏分析及防渗处理

修建于上世纪50—60年代的贵州省修文县格老寨水库处于溶蚀高原夷平面的浅切河谷上，该水库由于存在喀斯特渗漏已成为病害水库，库水主要通过左岸库首一带的落水洞集中向下游凉风洞暗河出口渗漏。本次格老寨水库除险加固工程主要对库首左岸及坝基采用帷幕灌浆防渗，通过灌前的先导孔兼作勘探孔，正确确定了防渗帷幕的边界和下限，从而对防渗方案进行了调整和优化。施工中把握特殊地段的灌浆工艺，采用多种灌浆材料，通过堵、排、灌及加密孔的方法，保证了灌浆施工的质量，使该病害水库得到了成功治理。

Seepage Analysis & Anti-seepage Treatments of Gelaozai Reservoir

The Gelaozai Reservoir build in 1950 to 1960 is situated in a shallow dissected river valley on solution highland deplanation surface of Xiuwen County,Guizhou province.The reservoir became a disease reservoir because of the Karst seepage.The reservoir water leakages to downstream Underground River through sink-holes lie on the right bank of the front of reservoir.The reinforcing engineering for removing danger mainly used curtain grouting to prevent leakage for the right bank of the front of reservoir and t...