Strength of Reactive Powder Concrete Beam-Column Joints Reinforced with High-Strength (HRB600) Bars Under Seismic Loading
In order to study the seismic behavior of reactive powder concrete beam-column joints reinforced with high-strength bars, an experimental investigation was carried out. A total of 5 reinforced reactive powder concrete exterior joint specimens (including 2 specimens with HRB600 steel bars and 3 speci...
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| Veröffentlicht in: | Strength of materials 2017, Vol.49 (1), p.139-151 |
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| description | In order to study the seismic behavior of reactive powder concrete beam-column joints reinforced with high-strength bars, an experimental investigation was carried out. A total of 5 reinforced reactive powder concrete exterior joint specimens (including 2 specimens with HRB600 steel bars and 3 specimens with HRB400 steel bars) were cast and tested. The seismic behavior of 5 existing test specimens was studied, including failure mode, hysteretic behavior, deformation capacity, ductility, energy dissipation capacity, and strength and stiffness degradation. The results showed that failure modes of reactive powder concrete beam-column joints under reversed cyclic loading are mainly flexural failure of the beam adjacent to the joint core, shear failure of the joint core, or combined failure of the plastic hinge in the beam and shear in the joint core. The configuration of HRB600 bars in reactive powder concrete beam-column joints alleviates the destruction, reduces the degradation of strength and stiffness, lessens residual deformation, and enhances both deformation capacity and energy dissipation capacity. Stirrups in the joint core directly bear part of the shear forces and provide confinement to the reactive powder concrete. Therefore, the utilization of stirrups in joints can retard the development of diagonal cracks, slow the degradation of strength and stiffness, and enhance the bearing capacity and energy dissipation capacity of the joint. |
| doi_str_mv | 10.1007/s11223-017-9852-x |
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H. ; Ju, Y. Z. ; Zheng, W. Z.</creator><creatorcontrib>Wang, D. H. ; Ju, Y. Z. ; Zheng, W. Z.</creatorcontrib><description>In order to study the seismic behavior of reactive powder concrete beam-column joints reinforced with high-strength bars, an experimental investigation was carried out. A total of 5 reinforced reactive powder concrete exterior joint specimens (including 2 specimens with HRB600 steel bars and 3 specimens with HRB400 steel bars) were cast and tested. The seismic behavior of 5 existing test specimens was studied, including failure mode, hysteretic behavior, deformation capacity, ductility, energy dissipation capacity, and strength and stiffness degradation. The results showed that failure modes of reactive powder concrete beam-column joints under reversed cyclic loading are mainly flexural failure of the beam adjacent to the joint core, shear failure of the joint core, or combined failure of the plastic hinge in the beam and shear in the joint core. The configuration of HRB600 bars in reactive powder concrete beam-column joints alleviates the destruction, reduces the degradation of strength and stiffness, lessens residual deformation, and enhances both deformation capacity and energy dissipation capacity. Stirrups in the joint core directly bear part of the shear forces and provide confinement to the reactive powder concrete. Therefore, the utilization of stirrups in joints can retard the development of diagonal cracks, slow the degradation of strength and stiffness, and enhance the bearing capacity and energy dissipation capacity of the joint.</description><identifier>ISSN: 0039-2316</identifier><identifier>EISSN: 1573-9325</identifier><identifier>DOI: 10.1007/s11223-017-9852-x</identifier><language>eng</language><publisher>New York: Springer US</publisher><subject>Beam-columns ; Bearing capacity ; Characterization and Evaluation of Materials ; Chemistry and Materials Science ; Classical Mechanics ; Concretes ; Cyclic loads ; Deformation ; Degradation ; Ductility tests ; Earthquake loads ; Energy dissipation ; Failure modes ; High strength ; Materials Science ; Plastic properties ; Powders (Particulate matter) ; Reinforcing steels ; Seismic response ; Shear forces ; Solid Mechanics ; Stiffness ; Stirrups ; Ultra high performance concrete</subject><ispartof>Strength of materials, 2017, Vol.49 (1), p.139-151</ispartof><rights>Springer Science+Business Media New York 2017</rights><rights>COPYRIGHT 2017 Springer</rights><rights>Copyright Springer Science & Business Media 2017</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c398t-45f7c1f56ff8b2ac9b9b6c2fbca51e37c4e0ae401ea2b9412996c7064a9d0133</citedby><cites>FETCH-LOGICAL-c398t-45f7c1f56ff8b2ac9b9b6c2fbca51e37c4e0ae401ea2b9412996c7064a9d0133</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><linktopdf>$$Uhttps://link.springer.com/content/pdf/10.1007/s11223-017-9852-x$$EPDF$$P50$$Gspringer$$H</linktopdf><linktohtml>$$Uhttps://link.springer.com/10.1007/s11223-017-9852-x$$EHTML$$P50$$Gspringer$$H</linktohtml><link.rule.ids>314,780,784,27924,27925,41488,42557,51319</link.rule.ids></links><search><creatorcontrib>Wang, D. H.</creatorcontrib><creatorcontrib>Ju, Y. Z.</creatorcontrib><creatorcontrib>Zheng, W. Z.</creatorcontrib><title>Strength of Reactive Powder Concrete Beam-Column Joints Reinforced with High-Strength (HRB600) Bars Under Seismic Loading</title><title>Strength of materials</title><addtitle>Strength Mater</addtitle><description>In order to study the seismic behavior of reactive powder concrete beam-column joints reinforced with high-strength bars, an experimental investigation was carried out. A total of 5 reinforced reactive powder concrete exterior joint specimens (including 2 specimens with HRB600 steel bars and 3 specimens with HRB400 steel bars) were cast and tested. The seismic behavior of 5 existing test specimens was studied, including failure mode, hysteretic behavior, deformation capacity, ductility, energy dissipation capacity, and strength and stiffness degradation. The results showed that failure modes of reactive powder concrete beam-column joints under reversed cyclic loading are mainly flexural failure of the beam adjacent to the joint core, shear failure of the joint core, or combined failure of the plastic hinge in the beam and shear in the joint core. The configuration of HRB600 bars in reactive powder concrete beam-column joints alleviates the destruction, reduces the degradation of strength and stiffness, lessens residual deformation, and enhances both deformation capacity and energy dissipation capacity. Stirrups in the joint core directly bear part of the shear forces and provide confinement to the reactive powder concrete. Therefore, the utilization of stirrups in joints can retard the development of diagonal cracks, slow the degradation of strength and stiffness, and enhance the bearing capacity and energy dissipation capacity of the joint.</description><subject>Beam-columns</subject><subject>Bearing capacity</subject><subject>Characterization and Evaluation of Materials</subject><subject>Chemistry and Materials Science</subject><subject>Classical Mechanics</subject><subject>Concretes</subject><subject>Cyclic loads</subject><subject>Deformation</subject><subject>Degradation</subject><subject>Ductility tests</subject><subject>Earthquake loads</subject><subject>Energy dissipation</subject><subject>Failure modes</subject><subject>High strength</subject><subject>Materials Science</subject><subject>Plastic properties</subject><subject>Powders (Particulate matter)</subject><subject>Reinforcing steels</subject><subject>Seismic response</subject><subject>Shear forces</subject><subject>Solid Mechanics</subject><subject>Stiffness</subject><subject>Stirrups</subject><subject>Ultra high performance concrete</subject><issn>0039-2316</issn><issn>1573-9325</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2017</creationdate><recordtype>article</recordtype><recordid>eNp1kUFv1DAQhS0EEkvhB3CzxAUOLmM7TuJjd1VY0EqgtpwtxxmnrnbtYmdp--_xKghxQXMYafS-NzN6hLzlcM4Buo-FcyEkA94x3SvBHp-RFVedZFoK9ZysAKRmQvL2JXlVyh0A9Fz2K_J0PWeM03xLk6dXaN0cfiH9nh5GzHSToss4I12jPbBN2h8PkX5NIc6lakP0KTsc6UOo-DZMt-yv2fvt1boF-EDXNhf6I57crjGUQ3B0l-wY4vSavPB2X_DNn35Gbj5d3my2bPft85fNxY45qfuZNcp3jnvVet8Pwjo96KF1wg_OKo6ycw2CxQY4WjHohgutW9dB21g9ApfyjLxbbO9z-nnEMpu7dMyxbjS879tOdT30VXW-qCa7R3P6bM7W1Rqxnpwi-lDnF0qBVrxtdAX4AricSsnozX0OB5ufDAdzSsQsiZiaiDklYh4rIxamVG2cMP9zyn-h37Ynjiw</recordid><startdate>2017</startdate><enddate>2017</enddate><creator>Wang, D. H.</creator><creator>Ju, Y. Z.</creator><creator>Zheng, W. Z.</creator><general>Springer US</general><general>Springer</general><general>Springer Nature B.V</general><scope>AAYXX</scope><scope>CITATION</scope></search><sort><creationdate>2017</creationdate><title>Strength of Reactive Powder Concrete Beam-Column Joints Reinforced with High-Strength (HRB600) Bars Under Seismic Loading</title><author>Wang, D. H. ; Ju, Y. Z. ; Zheng, W. Z.</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c398t-45f7c1f56ff8b2ac9b9b6c2fbca51e37c4e0ae401ea2b9412996c7064a9d0133</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2017</creationdate><topic>Beam-columns</topic><topic>Bearing capacity</topic><topic>Characterization and Evaluation of Materials</topic><topic>Chemistry and Materials Science</topic><topic>Classical Mechanics</topic><topic>Concretes</topic><topic>Cyclic loads</topic><topic>Deformation</topic><topic>Degradation</topic><topic>Ductility tests</topic><topic>Earthquake loads</topic><topic>Energy dissipation</topic><topic>Failure modes</topic><topic>High strength</topic><topic>Materials Science</topic><topic>Plastic properties</topic><topic>Powders (Particulate matter)</topic><topic>Reinforcing steels</topic><topic>Seismic response</topic><topic>Shear forces</topic><topic>Solid Mechanics</topic><topic>Stiffness</topic><topic>Stirrups</topic><topic>Ultra high performance concrete</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Wang, D. H.</creatorcontrib><creatorcontrib>Ju, Y. Z.</creatorcontrib><creatorcontrib>Zheng, W. Z.</creatorcontrib><collection>CrossRef</collection><jtitle>Strength of materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Wang, D. H.</au><au>Ju, Y. Z.</au><au>Zheng, W. Z.</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Strength of Reactive Powder Concrete Beam-Column Joints Reinforced with High-Strength (HRB600) Bars Under Seismic Loading</atitle><jtitle>Strength of materials</jtitle><stitle>Strength Mater</stitle><date>2017</date><risdate>2017</risdate><volume>49</volume><issue>1</issue><spage>139</spage><epage>151</epage><pages>139-151</pages><issn>0039-2316</issn><eissn>1573-9325</eissn><abstract>In order to study the seismic behavior of reactive powder concrete beam-column joints reinforced with high-strength bars, an experimental investigation was carried out. A total of 5 reinforced reactive powder concrete exterior joint specimens (including 2 specimens with HRB600 steel bars and 3 specimens with HRB400 steel bars) were cast and tested. The seismic behavior of 5 existing test specimens was studied, including failure mode, hysteretic behavior, deformation capacity, ductility, energy dissipation capacity, and strength and stiffness degradation. The results showed that failure modes of reactive powder concrete beam-column joints under reversed cyclic loading are mainly flexural failure of the beam adjacent to the joint core, shear failure of the joint core, or combined failure of the plastic hinge in the beam and shear in the joint core. The configuration of HRB600 bars in reactive powder concrete beam-column joints alleviates the destruction, reduces the degradation of strength and stiffness, lessens residual deformation, and enhances both deformation capacity and energy dissipation capacity. Stirrups in the joint core directly bear part of the shear forces and provide confinement to the reactive powder concrete. Therefore, the utilization of stirrups in joints can retard the development of diagonal cracks, slow the degradation of strength and stiffness, and enhance the bearing capacity and energy dissipation capacity of the joint.</abstract><cop>New York</cop><pub>Springer US</pub><doi>10.1007/s11223-017-9852-x</doi><tpages>13</tpages><oa>free_for_read</oa></addata></record> |
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| subjects | Beam-columns Bearing capacity Characterization and Evaluation of Materials Chemistry and Materials Science Classical Mechanics Concretes Cyclic loads Deformation Degradation Ductility tests Earthquake loads Energy dissipation Failure modes High strength Materials Science Plastic properties Powders (Particulate matter) Reinforcing steels Seismic response Shear forces Solid Mechanics Stiffness Stirrups Ultra high performance concrete |
| title | Strength of Reactive Powder Concrete Beam-Column Joints Reinforced with High-Strength (HRB600) Bars Under Seismic Loading |
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