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铁路路基采空区采用注浆处理,其注浆效果目前没有统一的方法检查。结合胶济线路基采空区注浆施工,介绍和分析采用钻孔取芯及再注浆法检查注浆效果的合理性和可行性。
Grouting on railway subgrade is adopted for grouting, and there is no uniform method to check the grouting effect. Combined with grouting construction in the gob of Jiaoji subgrade, the rationality and feasibility of checking the grouting effect by drilling coring and re-grouting are introduced and analyzed.