Simulation and Interpretation of Ground Anchor Failures from Acoustic Monitoring Test

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Title:	Simulation and Interpretation of Ground Anchor Failures from Acoustic Monitoring Test
Authors:	Chang, D.W.;Cheng, S.H.;Lee, Wei-F.
Contributors:	淡江大學土木工程學系
Date:	2008
Issue Date:	2013-04-18 11:19:31 (UTC+8)
Publisher:	基隆：海洋大學河海工程學系
Abstract:	This article discusses a real-time acoustic monitoring technique newly used for ground anchors and the analysis of the anchor failure via data interpretation. For assessment of this method, in-sim pullout load tests were conducted on two pre- slxessed anchors. An one-dimensional analytical model was established to model the anchor's behaviors. With the use of attenuation law for the wave signals progagting along the concrete panel, the failure signals were found comparable to the field data and the 2D/3D finite element modeling using ABAQUS. It was found that the analytical model could capture closely the progressive failures of the ground anchor with rational controls of strength parameters of the materials. The pules signals triggered by different failures and those appearing on the concrete wall are able to be monitored. The proposed model thus provides successfully an efficient solution to monitor the ground anchor failures.
Relation:	Proceedings of 3rd Taiwan-Japan Joint Workshop on Geotechnical Natural Hazards, pp.371-384
Appears in Collections:	[Graduate Institute & Department of Civil Engineering] Proceeding

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