Viscous Damping and Contraction Joint Friction in Underwater Explosion Resistant Design of Arch Dams
AbstractThe aim of this study is to clarify the parameter-determination issue with regard to the viscous damping and contraction joint friction in the underwater explosion (UNDEX) resistant design of arch dams. A 141-m-high double-curvature arch dam is chosen as the study subject, and the finite-ele...
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| Veröffentlicht in: | Journal of performance of constructed facilities 2019-06, Vol.33 (3) |
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| creator | Zhang, Qi-Ling Li, Duan-You Hu, Lei Hu, Chao |
| description | AbstractThe aim of this study is to clarify the parameter-determination issue with regard to the viscous damping and contraction joint friction in the underwater explosion (UNDEX) resistant design of arch dams. A 141-m-high double-curvature arch dam is chosen as the study subject, and the finite-element program ABAQUS/Explicit is employed. Both the dam-reservoir interaction and the contraction-joint nonlinearity are considered. The calculation results suggest that in a routine range of values for the viscous damping ratio (less than 0.05), the damping effect on the UNDEX-induced displacement and damage responses of the arch dam seem limited. To be conservative in the design, the viscous damping ratio could be assigned a zero value (neglecting the damping effect). The calculation results have highlighted the importance of the monolith-to-monolith friction to the tensile damage to the dam base. We believe that a value of 0.65 assigned to the friction coefficient should be appropriate for the UNDEX resistant design of an arch dam in case the shear keys’ shear-transferring roles are not considered. |
| doi_str_mv | 10.1061/(ASCE)CF.1943-5509.0001274 |
| format | Article |
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A 141-m-high double-curvature arch dam is chosen as the study subject, and the finite-element program ABAQUS/Explicit is employed. Both the dam-reservoir interaction and the contraction-joint nonlinearity are considered. The calculation results suggest that in a routine range of values for the viscous damping ratio (less than 0.05), the damping effect on the UNDEX-induced displacement and damage responses of the arch dam seem limited. To be conservative in the design, the viscous damping ratio could be assigned a zero value (neglecting the damping effect). The calculation results have highlighted the importance of the monolith-to-monolith friction to the tensile damage to the dam base. We believe that a value of 0.65 assigned to the friction coefficient should be appropriate for the UNDEX resistant design of an arch dam in case the shear keys’ shear-transferring roles are not considered.</description><identifier>ISSN: 0887-3828</identifier><identifier>EISSN: 1943-5509</identifier><identifier>DOI: 10.1061/(ASCE)CF.1943-5509.0001274</identifier><language>eng</language><publisher>New York: American Society of Civil Engineers</publisher><subject>Arch dams ; Coefficient of friction ; Computer simulation ; Curvature ; Dam design ; Dam engineering ; Damping ratio ; Finite element method ; Friction ; Friction resistance ; Mathematical analysis ; Technical Papers ; Underwater explosions ; Viscous damping</subject><ispartof>Journal of performance of constructed facilities, 2019-06, Vol.33 (3)</ispartof><rights>2019 American Society of Civil Engineers</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-a337t-996650cf7e7e7d0321c6dae57aeb61857a2f0eaff9a18d49f01a50db3e962c163</citedby><cites>FETCH-LOGICAL-a337t-996650cf7e7e7d0321c6dae57aeb61857a2f0eaff9a18d49f01a50db3e962c163</cites><orcidid>0000-0002-0241-4835</orcidid></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttp://ascelibrary.org/doi/pdf/10.1061/(ASCE)CF.1943-5509.0001274$$EPDF$$P50$$Gasce$$H</linktopdf><linktohtml>$$Uhttp://ascelibrary.org/doi/abs/10.1061/(ASCE)CF.1943-5509.0001274$$EHTML$$P50$$Gasce$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,76193,76201</link.rule.ids></links><search><creatorcontrib>Zhang, Qi-Ling</creatorcontrib><creatorcontrib>Li, Duan-You</creatorcontrib><creatorcontrib>Hu, Lei</creatorcontrib><creatorcontrib>Hu, Chao</creatorcontrib><title>Viscous Damping and Contraction Joint Friction in Underwater Explosion Resistant Design of Arch Dams</title><title>Journal of performance of constructed facilities</title><description>AbstractThe aim of this study is to clarify the parameter-determination issue with regard to the viscous damping and contraction joint friction in the underwater explosion (UNDEX) resistant design of arch dams. A 141-m-high double-curvature arch dam is chosen as the study subject, and the finite-element program ABAQUS/Explicit is employed. Both the dam-reservoir interaction and the contraction-joint nonlinearity are considered. The calculation results suggest that in a routine range of values for the viscous damping ratio (less than 0.05), the damping effect on the UNDEX-induced displacement and damage responses of the arch dam seem limited. To be conservative in the design, the viscous damping ratio could be assigned a zero value (neglecting the damping effect). The calculation results have highlighted the importance of the monolith-to-monolith friction to the tensile damage to the dam base. We believe that a value of 0.65 assigned to the friction coefficient should be appropriate for the UNDEX resistant design of an arch dam in case the shear keys’ shear-transferring roles are not considered.</description><subject>Arch dams</subject><subject>Coefficient of friction</subject><subject>Computer simulation</subject><subject>Curvature</subject><subject>Dam design</subject><subject>Dam engineering</subject><subject>Damping ratio</subject><subject>Finite element method</subject><subject>Friction</subject><subject>Friction resistance</subject><subject>Mathematical analysis</subject><subject>Technical Papers</subject><subject>Underwater explosions</subject><subject>Viscous damping</subject><issn>0887-3828</issn><issn>1943-5509</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2019</creationdate><recordtype>article</recordtype><recordid>eNp1kF1LwzAUhoMoOKf_IeiNXnQm6Zqm3o1u9YOBoM7bkKXJzNiSmnSo_96UTr2Sc3E-eN_3wAPAOUYjjCi-vpw8l7OrshrhYpwmWYaKEUIIk3x8AAa_t0MwQIzlScoIOwYnIayjiORFPgD1qwnS7QKcim1j7AoKW8PS2dYL2Rpn4YMztoWVN_1qLFzYWvkP0SoPZ5_NxoXu_qSCCa2I0mmcVhY6DSdevnW54RQcabEJ6mzfh2BRzV7Ku2T-eHtfTuaJSNO8TYqC0gxJnatYNUoJlrQWKsuFWlLMYicaKaF1ITCrx4VGWGSoXqaqoERimg7BRZ_bePe-U6Hla7fzNr7kBDOSkYylJKpuepX0LgSvNG-82Qr_xTHiHVXOO6q8rHhHkHcE-Z5qNNPeLIJUf_E_zv-N3_19fFI</recordid><startdate>20190601</startdate><enddate>20190601</enddate><creator>Zhang, Qi-Ling</creator><creator>Li, Duan-You</creator><creator>Hu, Lei</creator><creator>Hu, Chao</creator><general>American Society of Civil Engineers</general><scope>AAYXX</scope><scope>CITATION</scope><scope>8FD</scope><scope>FR3</scope><scope>KR7</scope><orcidid>https://orcid.org/0000-0002-0241-4835</orcidid></search><sort><creationdate>20190601</creationdate><title>Viscous Damping and Contraction Joint Friction in Underwater Explosion Resistant Design of Arch Dams</title><author>Zhang, Qi-Ling ; Li, Duan-You ; Hu, Lei ; Hu, Chao</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-a337t-996650cf7e7e7d0321c6dae57aeb61857a2f0eaff9a18d49f01a50db3e962c163</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2019</creationdate><topic>Arch dams</topic><topic>Coefficient of friction</topic><topic>Computer simulation</topic><topic>Curvature</topic><topic>Dam design</topic><topic>Dam engineering</topic><topic>Damping ratio</topic><topic>Finite element method</topic><topic>Friction</topic><topic>Friction resistance</topic><topic>Mathematical analysis</topic><topic>Technical Papers</topic><topic>Underwater explosions</topic><topic>Viscous damping</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Qi-Ling</creatorcontrib><creatorcontrib>Li, Duan-You</creatorcontrib><creatorcontrib>Hu, Lei</creatorcontrib><creatorcontrib>Hu, Chao</creatorcontrib><collection>CrossRef</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Journal of performance of constructed facilities</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Qi-Ling</au><au>Li, Duan-You</au><au>Hu, Lei</au><au>Hu, Chao</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Viscous Damping and Contraction Joint Friction in Underwater Explosion Resistant Design of Arch Dams</atitle><jtitle>Journal of performance of constructed facilities</jtitle><date>2019-06-01</date><risdate>2019</risdate><volume>33</volume><issue>3</issue><issn>0887-3828</issn><eissn>1943-5509</eissn><abstract>AbstractThe aim of this study is to clarify the parameter-determination issue with regard to the viscous damping and contraction joint friction in the underwater explosion (UNDEX) resistant design of arch dams. A 141-m-high double-curvature arch dam is chosen as the study subject, and the finite-element program ABAQUS/Explicit is employed. Both the dam-reservoir interaction and the contraction-joint nonlinearity are considered. The calculation results suggest that in a routine range of values for the viscous damping ratio (less than 0.05), the damping effect on the UNDEX-induced displacement and damage responses of the arch dam seem limited. To be conservative in the design, the viscous damping ratio could be assigned a zero value (neglecting the damping effect). The calculation results have highlighted the importance of the monolith-to-monolith friction to the tensile damage to the dam base. We believe that a value of 0.65 assigned to the friction coefficient should be appropriate for the UNDEX resistant design of an arch dam in case the shear keys’ shear-transferring roles are not considered.</abstract><cop>New York</cop><pub>American Society of Civil Engineers</pub><doi>10.1061/(ASCE)CF.1943-5509.0001274</doi><orcidid>https://orcid.org/0000-0002-0241-4835</orcidid></addata></record> |
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| issn | 0887-3828 1943-5509 |
| language | eng |
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| source | American Society of Civil Engineers:NESLI2:Journals:2014 |
| subjects | Arch dams Coefficient of friction Computer simulation Curvature Dam design Dam engineering Damping ratio Finite element method Friction Friction resistance Mathematical analysis Technical Papers Underwater explosions Viscous damping |
| title | Viscous Damping and Contraction Joint Friction in Underwater Explosion Resistant Design of Arch Dams |
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