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Effects of Overburden Stress and Grouting Pressure on Soil Nail Pullout Resistance
Wanhuan ZHOU1; Jian-Hua YIN2; Chengyu HONG2
2010
Conference NameThe 17th Southeast Asian Geotechnical Conference
Source Publicationproceedings of the Seventeenth Southeast Asian Geotechnical Conference (17SEAGC)
Conference DateMay 10~13, 2010
Conference PlaceTaipei, Taiwan
Abstract

This paper presents a study on the soil nail pullout resistance based on results from a series of laboratory soil nail pullout tests.The pullout tests were carried out on a completely decomposed granite (CDG) soil in a nearly saturated condition under a combination ofdifferent overburden stresses and grouting pressures. The pullout tests simulate the real construction process of a soil nail, includingestablishment of initial soil stresses in a soil slope, drilling a hole with stress release, grouting, and soil nail pullout when the slope slides.The study shows that both overburden stress and grouting pressure have influences on soil nail pullout resistance, and their influences areinteractive. The soil nail pullout resistance is hardly or slightly dependent on the overburden stress when the grouting pressure is low, butincreases with the overburden stress when the grouting pressure is higher

Language英语
Fulltext Access
Document TypeConference paper
CollectionFaculty of Science and Technology
DEPARTMENT OF CIVIL AND ENVIRONMENTAL ENGINEERING
Affiliation1.Facaulty of Science and Technology, University of Macau, Taipa, Macau, China
2.The Department of Civil and Structural Engineering, The Hong Kong Polytechnic University, Hong Kong, China
First Author AffilicationUniversity of Macau
Recommended Citation
GB/T 7714
Wanhuan ZHOU,Jian-Hua YIN,Chengyu HONG. Effects of Overburden Stress and Grouting Pressure on Soil Nail Pullout Resistance[C],2010.
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