In-Situ Testing of Integrated Deformation Modulus for Complicated Rock Mass of Soft and Hard Interlayers
详细信息
- 责任者：Liu Bin (Chengdu University of Technology ; Chengdu 610059 ; China) ; Nie Dexin
- 刊名：Journal of Engineering Geology
- 出版年：2010
- 卷期：18(4)
- 关键词：变形模量 ; deformation modulus ; 岩体力学 ; rock mechanics
- 页码：p.538-542
- 图表：3 illus., 4 tables, 5 refs.
- 分类号：1702
- issnNo：ISSN1004-9665
- isbnNo：CN11-3249/P
摘要
The paper conducts a statistic analysis on the proportion of different lithologies at dam site and obtains that the thickness ratio of the sandstone, siltstone and mudstone are 6∶2.5∶1.5. According to the statistics, the test area containing sandstone, siltstone and mudstone along the dam axial is selected. The bearing plate size is defined to be 200 cm in length and 37 cm in width for the in-situ test. The experimental results show that for the weak weathered bedrock at the rock dam foundation, its integrated deformation modulus can be up to 7.0 GPa. This value meets the design requirements.