Research on Large-Scale Tri-Axial Shear Strength Tests in Slide Zone Soil of Huangtupo Landslide
Coarse particles were got rid of in conventional strength tests of slide zone soil, which leads to distort the strength parameters of slide zone soil that is sensitive to grain grading. There is no unified way to obtain exact shear strength parameters of it. The research is to discuss
how to get more accurate shear strength parameters of original grain grading slip soil of Huangtupo riverside slumping mass I#. Test samples are selected from No. 5 branch tunnel of big testing ground in the research landslide, and the slip soil with original grain composition was used for
saturated consolidated-undrained large-scale shear test. On the large-scale tri-axial test equipment, shear strength test of slip soil with original grain composition are carried out for the first time. Moisture content and drained condition of the inside of low-permeability samples are discussed
to prove the requirements of experiment are met. Contrasting the testing results with the results of large-scale in-situ shear tests and saturated small-scale consolidated-undrained shear test, possible reasons for the differences between them are analyzed. The research may provide
some important references for reasonable shear strength parameters of slip soil with original grain composition.
Keywords: Coarse Particles; Landslide; Slip Soil; Strength; Test
Document Type: Research Article
Affiliations: Faculty of Engineering, China University of Geoscience, Wuhan 430074, China
Publication date: 01 November 2016
- Journal of Computational and Theoretical Nanoscience is an international peer-reviewed journal with a wide-ranging coverage, consolidates research activities in all aspects of computational and theoretical nanoscience into a single reference source. This journal offers scientists and engineers peer-reviewed research papers in all aspects of computational and theoretical nanoscience and nanotechnology in chemistry, physics, materials science, engineering and biology to publish original full papers and timely state-of-the-art reviews and short communications encompassing the fundamental and applied research.
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