Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/33483
Title: Study on the interface shear strength of soil nails in a completely decomposed granite soil by laboratory pullout tests and large-size direct shear box tests
Authors: Yin, JH 
Chu, LM
Su, LJ
Issue Date: 2005
Source: Proceedings of the 16th International Conference on Soil Mechanics and Geotechnical Engineering: Geotechnology in Harmony with the Global Environment, 2005, v. 4, p. 2617-2620 How to cite?
Abstract: Two laboratory pull-out boxes were developed to investigate the interface shear strength behaviour of a soil nail and a surrounding soil. The soil was a typical Completely Decomposed Granite (CDG) soil taken from a soil nail stabilized slope site in Hong Kong. In addition to the pull-out box tests, a large-size direct shear box was also used to measure the interface shear strength between the CDG soil and a cement grout plate. A number of laboratory pull-out tests and large-size shear box tests were performed with a cement grouted nail (or cement grout plate) in the CDG soil. Major results are presented and discussed in the paper. The results are used to examine the influence of (a) overburden pressure, (b) soil degree of saturation, (c) surface roughness of soil nail, (d) stress release in drill hole, and (e) the interface dilation on the interface shear strength.
Description: 16th International Conference on Soil Mechanics and Geotechnical Engineering: Geotechnology in Harmony with the Global Environment, ICSMGE 2005, Osaka, 12-16 September 2005
URI: http://hdl.handle.net/10397/33483
ISBN: 9059660285
9789059660281
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