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砂卵砾石地区围堰防渗灌浆试验施工 被引量:2

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摘要 介绍澜沧江里底水电站一期枯水纵向土石围堰,沿围堰轴线覆盖层厚20-29 m,主要为含漂石砂卵砾石层,防渗灌浆分别采用帷幕灌浆和高压旋喷灌浆工艺试验,通过试验成果分析、总结和改进,实践证明漂石砂卵砾石层地质区,帷幕灌浆和高压旋喷灌浆无法满足围堰防渗要求。建议采用60 cm厚塑性混凝土防渗墙方案防渗,后续施工证明,砂卵砾石地区调整采用塑性混凝土防渗墙方案,达到设计围堰防渗要求。
出处 《云南水力发电》 2014年第B11期45-48,51,共5页 Yunnan Water Power
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