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Study on visualization and failure mode of model test of rock-socketed pile in soft rock

Study on visualization and failure mode of model test of rock-socketed pile in soft rock
Study on visualization and failure mode of model test of rock-socketed pile in soft rock

Computed tomography (CT) technology is a kind of nondestructive image reconstruction technology. CT visualization technology is introduced into the physical model test of a single pile, which can visualize a rock-socketed pile in soft rock under different pile top loads. In this article, the visualization process of a model test of a rock-socketed pile in soft rock is carried out by medical CT. The implementation procedure, the composition of the device, and the technical requirements of the test equipment, as well as the CT scanning operation of nondestructive visualization technique of the single pile model test, are introduced in detail. The influence of a marked layer setting, side wall effect, size of the model cylinder, and model pile on the visualization effect of a single pile model test is discussed. The feasibility and reliability of the model test visualization technology of a rock-socketed pile in soft rock are demonstrated by examples, and the failure mode of rock-socketed pile in soft rock is intuitively revealed to be the spherical cavity expansion mode of the pile end.

CT visualization, Failure mode, Model test, Rock-socketed pile in soft rock
0149-6115
Huang, Bin
dbc73278-0b9b-4142-b816-4a8ca4d527cd
Zhang, Yuting
821b7687-fe98-4525-b641-2ea503797319
Fu, Xudong
e7127978-da7a-4ea0-9ddb-55d243917ac0
Zhang, Benjiao
aecfbd8b-ca77-4363-aebd-444c403f1846
Huang, Bin
dbc73278-0b9b-4142-b816-4a8ca4d527cd
Zhang, Yuting
821b7687-fe98-4525-b641-2ea503797319
Fu, Xudong
e7127978-da7a-4ea0-9ddb-55d243917ac0
Zhang, Benjiao
aecfbd8b-ca77-4363-aebd-444c403f1846

Huang, Bin, Zhang, Yuting, Fu, Xudong and Zhang, Benjiao (2019) Study on visualization and failure mode of model test of rock-socketed pile in soft rock. Geotechnical Testing Journal, 42 (6), [GTJ20170348]. (doi:10.1520/GTJ20170348).

Record type: Article

Abstract

Computed tomography (CT) technology is a kind of nondestructive image reconstruction technology. CT visualization technology is introduced into the physical model test of a single pile, which can visualize a rock-socketed pile in soft rock under different pile top loads. In this article, the visualization process of a model test of a rock-socketed pile in soft rock is carried out by medical CT. The implementation procedure, the composition of the device, and the technical requirements of the test equipment, as well as the CT scanning operation of nondestructive visualization technique of the single pile model test, are introduced in detail. The influence of a marked layer setting, side wall effect, size of the model cylinder, and model pile on the visualization effect of a single pile model test is discussed. The feasibility and reliability of the model test visualization technology of a rock-socketed pile in soft rock are demonstrated by examples, and the failure mode of rock-socketed pile in soft rock is intuitively revealed to be the spherical cavity expansion mode of the pile end.

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More information

Published date: 1 November 2019
Additional Information: Publisher Copyright: © 2018 by ASTM International.
Keywords: CT visualization, Failure mode, Model test, Rock-socketed pile in soft rock

Identifiers

Local EPrints ID: 498888
URI: http://eprints.soton.ac.uk/id/eprint/498888
ISSN: 0149-6115
PURE UUID: dbd3db2a-8023-4fb0-b006-411aeb905c39
ORCID for Yuting Zhang: ORCID iD orcid.org/0000-0002-5683-7286

Catalogue record

Date deposited: 04 Mar 2025 17:51
Last modified: 05 Mar 2025 03:17

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Contributors

Author: Bin Huang
Author: Yuting Zhang ORCID iD
Author: Xudong Fu
Author: Benjiao Zhang

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