本文根据某工程中钻孔灌注桩的现场试验，对桩端压力灌浆技术在卵石层中灌注桩的应用效果及其经济效益进行了分析。
Based on site tests, this paper discusses the effect of pressure grouting under piles tip in cobble layer and analyzed its economical and social benefit.
通过现场试验分析了某高速公路土石混填路堤压力灌浆处治的主要基本参数和检测方法。
The main parameters and method of pressure grouting in improving earth-rock mixture embankment are analyzed by field test data.
通过室内材料试验得到了相对经济的灌浆材料配方，通过灌浆现场试验得到了可行的灌浆工艺和检测方法。
And, relatively economical grouting material ratio was determined, by laboratory material test. The feasible grouting technics and monitoring method was worked out by the field test.
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