矿山法隧道通过砂层时地表注浆加固技术应用

摘要

结合工程实例，研究了袖阀管加固技术在砂层地表加固中的应用技术，介绍了注浆加固的原理，对注浆参数、注浆工艺以及施工中的注意事项进行了论述，通过分析注浆效果，指出袖阀管注浆加固达到了预期的目的。%Combining with the engineering example,this paper researched the application technology of sleeve valve pipe reinforcement technolo-gy in sand layer surface reinforcement,introduced the principle of grouting reinforcement,discussed the grouting parameters,grouting technology and matters needing attention in construction,through the analysis on grouting effect,pointed out that the sleeve valve pipe grouting reinforce-ment achieved expected objective.