Numerical and experimental studies of the mechanical behaviour for compaction grouted soil nails in sandy soil

Ye, X; Wang, S; Wang, Q; Sloan, SW; Sheng, D

Numerical and experimental studies of the mechanical behaviour for compaction grouted soil nails in sandy soil

Ye, X Wang, S Wang, Q Sloan, SW Sheng, D

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Publisher:: Elsevier
Publication Type:: Journal Article
Citation:: Computers and Geotechnics, 2017, 90, pp. 202-214
Issue Date:: 2017-10-01

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Field	Value	Language
dc.contributor.author	Ye, X
dc.contributor.author	Wang, S
dc.contributor.author	Wang, Q
dc.contributor.author	Sloan, SW
dc.contributor.author	Sheng, D https://orcid.org/0000-0002-1665-6931
dc.date.accessioned	2022-08-26T00:25:22Z
dc.date.available	2022-08-26T00:25:22Z
dc.date.issued	2017-10-01
dc.identifier.citation	Computers and Geotechnics, 2017, 90, pp. 202-214
dc.identifier.issn	0266-352X
dc.identifier.issn	1873-7633
dc.identifier.uri	http://hdl.handle.net/10453/160880
dc.description.abstract	A model test was conducted for a newly developed soil nail, the result of which was compared to that of a 3D finite element method (FEM) simulation. The shape angle (β) and friction coefficients (μ) contributed to the difference in pull-out force between the model test and the simulation. Further verifications were conducted, during which the pull-out mechanisms of the soil nail for different β and μ were analysed. It was found that both β and μ have a positive influence on the pull-out force; β only affects the increase rate, while μ influences the overall pull-out force level. Three components were found to govern the pull-out force, with the component applied to the expanded cement bulk surface accounting for approximately 80% of the total. This study proves that the optimal approach for increasing pull-out force is to enlarge the diameter of the cement bulk rather than extend the nail length.
dc.language	English
dc.publisher	Elsevier
dc.relation.ispartof	Computers and Geotechnics
dc.relation.isbasedon	10.1016/j.compgeo.2017.06.011
dc.rights	info:eu-repo/semantics/closedAccess
dc.subject	0905 Civil Engineering, 0914 Resources Engineering and Extractive Metallurgy, 0915 Interdisciplinary Engineering
dc.subject.classification	Geological & Geomatics Engineering
dc.title	Numerical and experimental studies of the mechanical behaviour for compaction grouted soil nails in sandy soil
dc.type	Journal Article
utslib.citation.volume	90
utslib.for	0905 Civil Engineering
utslib.for	0914 Resources Engineering and Extractive Metallurgy
utslib.for	0915 Interdisciplinary Engineering
pubs.organisational-group	/University of Technology Sydney
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology
pubs.organisational-group	/University of Technology Sydney/Faculty of Engineering and Information Technology/School of Civil and Environmental Engineering
utslib.copyright.status	closed_access	*
pubs.consider-herdc	false
dc.date.updated	2022-08-26T00:25:16Z
pubs.publication-status	Published
pubs.volume	90

Abstract:

A model test was conducted for a newly developed soil nail, the result of which was compared to that of a 3D finite element method (FEM) simulation. The shape angle (β) and friction coefficients (μ) contributed to the difference in pull-out force between the model test and the simulation. Further verifications were conducted, during which the pull-out mechanisms of the soil nail for different β and μ were analysed. It was found that both β and μ have a positive influence on the pull-out force; β only affects the increase rate, while μ influences the overall pull-out force level. Three components were found to govern the pull-out force, with the component applied to the expanded cement bulk surface accounting for approximately 80% of the total. This study proves that the optimal approach for increasing pull-out force is to enlarge the diameter of the cement bulk rather than extend the nail length.

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http://hdl.handle.net/10453/160880