A new method to investigate the failure envelopes of offshore foundations

Yinghui Tian; Tianyuan Zheng; Tao Zhou; Mark J. Cassidy

doi:10.1115/OMAE2016-54513

A new method to investigate the failure envelopes of offshore foundations

Yinghui Tian, Tianyuan Zheng, Tao Zhou, Mark J. Cassidy

Research output: Chapter in Book/Conference paper › Conference paper › peer-review

8 Citations (Scopus)

Abstract

© 2016 by ASME.This paper presents an alternative numerical method in addition to the traditional ?probe test? to investigate the combined loading failure envelopes of foundations in soil. In the ?probe test? method, the foundation is displaced with a specified displacement path and eventually the soil resistance force reaches a stabilised point sitting on the failure envelope in the load space. While the displacement paths are arbitrarily or empirically set, the positions of the stabilised loads on the failure envelope can not be predetermined or planned. This paper's new method, however, can specify the load paths, which directly shoot onto the failure envelope. This allows the investigation of the failure envelope can be better achieved with planned load paths. In addition, this new method is advantageous in checking the plastic flow conditions (i.e. normality of the failure envelope) as the load path directions are predetermined.

Original language	English
Title of host publication	Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE
Editors	Jeom Kee Paik
Publisher	ASME International
Pages	1-11
Number of pages	11
Volume	1
ISBN (Electronic)	9780791849927
ISBN (Print)	9780791849927
DOIs	https://doi.org/10.1115/OMAE2016-54513
Publication status	Published - 2016
Event	ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2016 - Busan, Korea, Republic of Duration: 19 Jun 2016 → 24 Jun 2016

Publication series

Name	Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE
Volume	1

Conference

Conference	ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2016
Country/Territory	Korea, Republic of
City	Busan
Period	19/06/16 → 24/06/16

Access to Document

10.1115/OMAE2016-54513

Cite this

Tian, Y., Zheng, T., Zhou, T., & Cassidy, M. J. (2016). A new method to investigate the failure envelopes of offshore foundations. In J. K. Paik (Ed.), Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE (Vol. 1, pp. 1-11). (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE; Vol. 1). ASME International. https://doi.org/10.1115/OMAE2016-54513

Tian, Yinghui ; Zheng, Tianyuan ; Zhou, Tao et al. / A new method to investigate the failure envelopes of offshore foundations. Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE. editor / Jeom Kee Paik. Vol. 1 ASME International, 2016. pp. 1-11 (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE).

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title = "A new method to investigate the failure envelopes of offshore foundations",

abstract = "{\textcopyright} 2016 by ASME.This paper presents an alternative numerical method in addition to the traditional ?probe test? to investigate the combined loading failure envelopes of foundations in soil. In the ?probe test? method, the foundation is displaced with a specified displacement path and eventually the soil resistance force reaches a stabilised point sitting on the failure envelope in the load space. While the displacement paths are arbitrarily or empirically set, the positions of the stabilised loads on the failure envelope can not be predetermined or planned. This paper's new method, however, can specify the load paths, which directly shoot onto the failure envelope. This allows the investigation of the failure envelope can be better achieved with planned load paths. In addition, this new method is advantageous in checking the plastic flow conditions (i.e. normality of the failure envelope) as the load path directions are predetermined.",

author = "Yinghui Tian and Tianyuan Zheng and Tao Zhou and Cassidy, {Mark J.}",

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booktitle = "Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE",

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Tian, Y, Zheng, T, Zhou, T & Cassidy, MJ 2016, A new method to investigate the failure envelopes of offshore foundations. in JK Paik (ed.), Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE. vol. 1, Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE, vol. 1, ASME International, pp. 1-11, ASME 2016 35th International Conference on Ocean, Offshore and Arctic Engineering, OMAE 2016, Busan, Korea, Republic of, 19/06/16. https://doi.org/10.1115/OMAE2016-54513

A new method to investigate the failure envelopes of offshore foundations. / Tian, Yinghui; Zheng, Tianyuan; Zhou, Tao et al.
Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE. ed. / Jeom Kee Paik. Vol. 1 ASME International, 2016. p. 1-11 (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE; Vol. 1).

Research output: Chapter in Book/Conference paper › Conference paper › peer-review

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AU - Zhou, Tao

AU - Cassidy, Mark J.

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N2 - © 2016 by ASME.This paper presents an alternative numerical method in addition to the traditional ?probe test? to investigate the combined loading failure envelopes of foundations in soil. In the ?probe test? method, the foundation is displaced with a specified displacement path and eventually the soil resistance force reaches a stabilised point sitting on the failure envelope in the load space. While the displacement paths are arbitrarily or empirically set, the positions of the stabilised loads on the failure envelope can not be predetermined or planned. This paper's new method, however, can specify the load paths, which directly shoot onto the failure envelope. This allows the investigation of the failure envelope can be better achieved with planned load paths. In addition, this new method is advantageous in checking the plastic flow conditions (i.e. normality of the failure envelope) as the load path directions are predetermined.

AB - © 2016 by ASME.This paper presents an alternative numerical method in addition to the traditional ?probe test? to investigate the combined loading failure envelopes of foundations in soil. In the ?probe test? method, the foundation is displaced with a specified displacement path and eventually the soil resistance force reaches a stabilised point sitting on the failure envelope in the load space. While the displacement paths are arbitrarily or empirically set, the positions of the stabilised loads on the failure envelope can not be predetermined or planned. This paper's new method, however, can specify the load paths, which directly shoot onto the failure envelope. This allows the investigation of the failure envelope can be better achieved with planned load paths. In addition, this new method is advantageous in checking the plastic flow conditions (i.e. normality of the failure envelope) as the load path directions are predetermined.

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BT - Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE

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Tian Y, Zheng T, Zhou T, Cassidy MJ. A new method to investigate the failure envelopes of offshore foundations. In Paik JK, editor, Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE. Vol. 1. ASME International. 2016. p. 1-11. (Proceedings of the International Conference on Offshore Mechanics and Arctic Engineering - OMAE). doi: 10.1115/OMAE2016-54513

A new method to investigate the failure envelopes of offshore foundations

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