Please use this identifier to cite or link to this item: http://hdl.handle.net/10397/18434
Title: Analytical study on progressive pullout behavior of a soil nail
Authors: Hong, CY
Yin, JH 
Zhou, WH
Pei, HF
Keywords: Analytical study
Parametric study
Progressive interaction
Pullout resistance
Soil nail
Issue Date: 2012
Publisher: American Society of Civil Engineers
Source: Journal of geotechnical and geoenvironmental engineering, 2012, v. 138, no. 4, p. 500-507 How to cite?
Journal: Journal of geotechnical and geoenvironmental engineering 
Abstract: During the past few decades, soil nailing has been widely used for stabilizing slopes and excavations. The nail-soil interface shear resistance in the passive zone of a slope or excavation is a critical parameter in design. In this paper, an analytical study is proposed to investigate the progressive pullout response of a soil nail. Pullout process is divided into three typical phases: (1) the initial pure elastic phase during which the nail-soil interface follows a linear elastic stress-displacement relationship; (2) the elastic-plastic phase during which a transition point presents dividing the elastic and plastic zones; and (3) the final pure plastic phase. A comparison study between calculations and laboratory test data are presented to examine the effectiveness of the method. In addition, a comprehensive parametric study is performed to assess the effects of several key factors on the pullout resistance of a soil nail. These factors include the length and diameter, length of plastic zone, and the elastic modulus of a soil nail. Main research findings are presented and discussed to gain a better understanding of the progressive interaction between soil and soil nail.
URI: http://hdl.handle.net/10397/18434
ISSN: 1090-0241
EISSN: 1943-5606
DOI: 10.1061/(ASCE)GT.1943-5606.0000610
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