NDLI: Establishment of direct shear strength model of river sand and its application in high embankment of sand

Content Provider	IEEE Xplore Digital Library
Author	Shutang Liu Na Zhang Weidong Cao Yingyong Li
Copyright Year	2011
Description	Author affiliation: School of Civil Engineering, Shandong University, No.17923 Jingshi Road, Jinan, China, 250061 (Shutang Liu; Na Zhang; Weidong Cao) \|\| Highway Bureau of Transportation Department of Shandong Province, No.19 Shungeng Road, Jinan, China, 250002 (Yingyong Li)
Abstract	Sand is generally considered to be cohesionless material, but there is small cohesion for sand with certain moisture content. It is reasonable to consider the cohesion when analyzing the stability of side slope of high sand embankment. In this paper, direct shear tests of the Shuhe River sand (in Shandong province, China) were done at different moisture contents and dry densities, and a multiple regression equation of shear strength was established based on the test results. The strength parameters (including cohesion and internal friction angle) at the given moisture contents and dry densities could be predicted according to the established regression equation. Based on this, the side slope stability of high sand embankment under different wet conditions was analyzed with the shear strength reduction method (SSRM). Results showed that the high embankment of sand with slope of 1∶1.5 and edge thickness (weathered rock materials) of 2.0 meters was stable.
Starting Page	297
Ending Page	302
File Size	233112
Page Count	6
File Format	PDF
ISBN	9781457702891
e-ISBN	9781457702907
DOI	10.1109/ICETCE.2011.5776298
Language	English
Publisher	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Publisher Date	2011-04-22
Publisher Place	China
Access Restriction	Subscribed
Rights Holder	Institute of Electrical and Electronics Engineers, Inc. (IEEE)
Subject Keyword	Friction Direct shear strength model Materials Stability analysis High sand embankment of sand Side slope stability Rivers Safety Compaction Mathematical model Shear strength reduction method (SSRM)
Content Type	Text
Resource Type	Article

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