A Study of the Quality Test Model of Resistivity Sounding for Detecting Grouting Effect of Karst Roadbed
详细信息
- 责任者：Ren Xinhong (School of Civil Engineering ; Southwest Jiaotong University ; Chengdu 610031 ; China) ; Xie Qiang
- 刊名：Hydrogeology and Engineering Geology
- 出版年：2011
- 卷期：38(5)
- 关键词：电测深法 ; electrical sounding ; 灌浆 ; grouting
- 页码：p.49-53, 57
- 图表：8 illus., 2 tables, 10 refs.
- 分类号：1600
- issnNo：ISSN1000-3665
- isbnNo：CN11-2202/P
摘要
Due to the difficulty of quality test of karst roadbed,based on typical field geological sections, a model of stenopeic limestone is established, and analysis of the results of resistivity sounding test on many sections before and after grouting is carried out, and comparison with the real diffusion area in the model is also performed. The results suggest that after the cement flow is injected into the model, the apparent resistivity decrease more obviously than before grouting. The field tests basically verify the results of the model tests. However, the field tests are controlled by groundwater level. As a result, the partial faults of the judgment may be caused.
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