Paper Title:
Shear Test on Mixed Slide-Zone Soils of Landslide under Different Water Content
  Abstract

This study is based on a typical residual soil landslide adjacent to Daxishan Reservior in Dalian city of China. By drilling the original samples in the field and remodeling the copy samples in the laboratory, a series of geotechnical experiments are carried out by the improved direct shear apparatus to obtain the changing law between the shear strength and water content of the mixed slide-zone soils. Emphasis is given on the shear stress-strain behavior and the corresponding constitutive model under different water content for the soils. Especially, the typical fitting equation is achieved to reflect the state of shear stress-normal stress-water content, some strain softening and hardening behavior on the mixed slide-zone soils of landslide is also discussed in detail. The results indicate that the shear strength is significantly related to water content of mixed slide-zone soils of landslide. The bigger water content of slide-zone soil is, the smaller the shear strength of soils is. When water content of mixed slide-zone soils approaches to certain value (i.e., 15%), the curve of shear stress and displacement shows a remarkable softening behavior, and the shear strength has marked a peak value.

  Info
Periodical
Advanced Materials Research (Volumes 301-303)
Chapter
Chapter 2: Measuring and Testing Techniques
Edited by
Riza Esa and Yanwen Wu
Pages
1208-1213
DOI
10.4028/www.scientific.net/AMR.301-303.1208
Citation
T. K. Nian, Z. K. Feng, P. C. Yu, H. J. Wu, "Shear Test on Mixed Slide-Zone Soils of Landslide under Different Water Content", Advanced Materials Research, Vols. 301-303, pp. 1208-1213, 2011
Online since
July 2011
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Price
$32.00
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