Safety Evaluation of Arch Dam Subjected to Underwater Contact Explosion

The stability of an arch dam can be significantly damaged by an extreme underwater explosion. This study proposed a damage index for assessing the degree of local damage of an arch dam after the dam was subjected to an underwater explosion. The damage index was applied to assess local damage at the...

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Autores principales:	Xiaohua Zhao, Hongyuan Fang, Gaohui Wang, Yong Fan
Formato:	article
Lenguaje:	EN
Publicado:	MDPI AG 2021
Materias:	arch dam orifice abutment underwater contact explosion safety evaluation Mathematics QA1-939
Acceso en línea:	https://doaj.org/article/79d2ebe22cff42ca9b09439d1d841ff4
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id	oai:doaj.org-article:79d2ebe22cff42ca9b09439d1d841ff4
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spelling	oai:doaj.org-article:79d2ebe22cff42ca9b09439d1d841ff42021-11-25T18:17:22ZSafety Evaluation of Arch Dam Subjected to Underwater Contact Explosion10.3390/math92229412227-7390https://doaj.org/article/79d2ebe22cff42ca9b09439d1d841ff42021-11-01T00:00:00Zhttps://www.mdpi.com/2227-7390/9/22/2941https://doaj.org/toc/2227-7390The stability of an arch dam can be significantly damaged by an extreme underwater explosion. This study proposed a damage index for assessing the degree of local damage of an arch dam after the dam was subjected to an underwater explosion. The damage index was applied to assess local damage at the middle part of the dam, surcharge holes, and abutment. A model was developed to evaluate the stability of the entire dam based on the spatial distribution of damage and the damage on the base interface. Results showed that local explosion damage at flood discharge holes or abutments might cause instability of the arch dam. When the contact explosion action location is on the abutment, it only needs 310 kg to cause the overall damage of the arch dam, while when the action location is on the middle part of the dam, the quantity of explosive required is 2800 kg.Xiaohua ZhaoHongyuan FangGaohui WangYong FanMDPI AGarticlearch damorificeabutmentunderwater contact explosionsafety evaluationMathematicsQA1-939ENMathematics, Vol 9, Iss 2941, p 2941 (2021)
institution	DOAJ
collection	DOAJ
language	EN
topic	arch dam orifice abutment underwater contact explosion safety evaluation Mathematics QA1-939
spellingShingle	arch dam orifice abutment underwater contact explosion safety evaluation Mathematics QA1-939 Xiaohua Zhao Hongyuan Fang Gaohui Wang Yong Fan Safety Evaluation of Arch Dam Subjected to Underwater Contact Explosion
description	The stability of an arch dam can be significantly damaged by an extreme underwater explosion. This study proposed a damage index for assessing the degree of local damage of an arch dam after the dam was subjected to an underwater explosion. The damage index was applied to assess local damage at the middle part of the dam, surcharge holes, and abutment. A model was developed to evaluate the stability of the entire dam based on the spatial distribution of damage and the damage on the base interface. Results showed that local explosion damage at flood discharge holes or abutments might cause instability of the arch dam. When the contact explosion action location is on the abutment, it only needs 310 kg to cause the overall damage of the arch dam, while when the action location is on the middle part of the dam, the quantity of explosive required is 2800 kg.
format	article
author	Xiaohua Zhao Hongyuan Fang Gaohui Wang Yong Fan
author_facet	Xiaohua Zhao Hongyuan Fang Gaohui Wang Yong Fan
author_sort	Xiaohua Zhao
title	Safety Evaluation of Arch Dam Subjected to Underwater Contact Explosion
title_short	Safety Evaluation of Arch Dam Subjected to Underwater Contact Explosion
title_full	Safety Evaluation of Arch Dam Subjected to Underwater Contact Explosion
title_fullStr	Safety Evaluation of Arch Dam Subjected to Underwater Contact Explosion
title_full_unstemmed	Safety Evaluation of Arch Dam Subjected to Underwater Contact Explosion
title_sort	safety evaluation of arch dam subjected to underwater contact explosion
publisher	MDPI AG
publishDate	2021
url	https://doaj.org/article/79d2ebe22cff42ca9b09439d1d841ff4
work_keys_str_mv	AT xiaohuazhao safetyevaluationofarchdamsubjectedtounderwatercontactexplosion AT hongyuanfang safetyevaluationofarchdamsubjectedtounderwatercontactexplosion AT gaohuiwang safetyevaluationofarchdamsubjectedtounderwatercontactexplosion AT yongfan safetyevaluationofarchdamsubjectedtounderwatercontactexplosion
_version_	1718411389823877120

Safety Evaluation of Arch Dam Subjected to Underwater Contact Explosion

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