The Unified Strength Theory for Plastic Limit Load Analysis of Vertical Shaft Lining

Plastic limit analysis is a significant application for structural design and failure prediction, implying that the potential bearing capacity of material can be fully considered. Meanwhile, the failure process of structures usually occurs in the deformation of the plastic stage. Hence, it is import...

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Main Authors:	Guangsi Zhao, Minghui Ren, Xianhao Qiu, Qinghua Xue
Format:	Article
Language:	English
Published:	Hindawi Limited 2018-01-01
Series:	Advances in Civil Engineering
Online Access:	http://dx.doi.org/10.1155/2018/1949324

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record_format	Article
spelling	doaj-b45d803471c74eaa8a19370971bc12cc2020-11-24T22:52:05ZengHindawi LimitedAdvances in Civil Engineering1687-80861687-80942018-01-01201810.1155/2018/19493241949324The Unified Strength Theory for Plastic Limit Load Analysis of Vertical Shaft LiningGuangsi Zhao0Minghui Ren1Xianhao Qiu2Qinghua Xue3State Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, ChinaState Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, ChinaState Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, ChinaState Key Laboratory for Geomechanics and Deep Underground Engineering, China University of Mining and Technology, Xuzhou 221116, ChinaPlastic limit analysis is a significant application for structural design and failure prediction, implying that the potential bearing capacity of material can be fully considered. Meanwhile, the failure process of structures usually occurs in the deformation of the plastic stage. Hence, it is important to investigate the mechanical properties of structures in the plastic state through proper mechanical models and principles. In this paper, the analytical stress expression and formulas for computing plastic limit load have been deduced based on the unified strength theory. Additionally, the relationships between plastic limit load of the shaft lining and the strength differential (SD) of structural material, the geometrical characteristic (R0/R) and the intermediate principal shear stress (b) have been discussed. Finally, the method of the plastic limit load is adopted for the safety evaluation of the shaft lining through a practical case.http://dx.doi.org/10.1155/2018/1949324
collection	DOAJ
language	English
format	Article
sources	DOAJ
author	Guangsi Zhao Minghui Ren Xianhao Qiu Qinghua Xue
spellingShingle	Guangsi Zhao Minghui Ren Xianhao Qiu Qinghua Xue The Unified Strength Theory for Plastic Limit Load Analysis of Vertical Shaft Lining Advances in Civil Engineering
author_facet	Guangsi Zhao Minghui Ren Xianhao Qiu Qinghua Xue
author_sort	Guangsi Zhao
title	The Unified Strength Theory for Plastic Limit Load Analysis of Vertical Shaft Lining
title_short	The Unified Strength Theory for Plastic Limit Load Analysis of Vertical Shaft Lining
title_full	The Unified Strength Theory for Plastic Limit Load Analysis of Vertical Shaft Lining
title_fullStr	The Unified Strength Theory for Plastic Limit Load Analysis of Vertical Shaft Lining
title_full_unstemmed	The Unified Strength Theory for Plastic Limit Load Analysis of Vertical Shaft Lining
title_sort	unified strength theory for plastic limit load analysis of vertical shaft lining
publisher	Hindawi Limited
series	Advances in Civil Engineering
issn	1687-8086 1687-8094
publishDate	2018-01-01
description	Plastic limit analysis is a significant application for structural design and failure prediction, implying that the potential bearing capacity of material can be fully considered. Meanwhile, the failure process of structures usually occurs in the deformation of the plastic stage. Hence, it is important to investigate the mechanical properties of structures in the plastic state through proper mechanical models and principles. In this paper, the analytical stress expression and formulas for computing plastic limit load have been deduced based on the unified strength theory. Additionally, the relationships between plastic limit load of the shaft lining and the strength differential (SD) of structural material, the geometrical characteristic (R0/R) and the intermediate principal shear stress (b) have been discussed. Finally, the method of the plastic limit load is adopted for the safety evaluation of the shaft lining through a practical case.
url	http://dx.doi.org/10.1155/2018/1949324
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The Unified Strength Theory for Plastic Limit Load Analysis of Vertical Shaft Lining

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