The Application of Choking Plug in the Karst Areas Grouting Engineering
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摘要: 在用“探灌结合”的方法进行浅层覆盖型岩溶病害整治工程中，由于套管在较薄的覆盖层中嵌固失败，浆液从套管与土层壁间冒出；或由于覆盖层疏松带发育，连通性好，岩层灌浆时从地面冒浆；为解决以上问题，文中阐述了一种止浆设备一止浆塞及其使用范围。该方法在基岩中使用效果好，成功率达80％。Abstract: During the surface depression treatment project in overburden karst areas with "exploring-grouting" method,cement mortar is usually coming out og land-surface. To solve this kind of problem,cement mortar's choking plug is introduced and analyzed by this paper.
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Key words:
- overburden karst /
- cement mortar's choking plug /
- rock grouting
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