Experimental Study on Bond Performance of NC-UHPC Interfaces with Different Roughness and Substrate Strength
This paper investigates the bond failure performance between precast normal concrete (NC) and cast-in situ ultra-high performance concrete (UHPC), emphasizing the influence of interfacial roughness. The interfacial bonding behavior under tension and under shear was investigated based on 72 groups of...
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| Veröffentlicht in: | Materials 2023-03, Vol.16 (7), p.2708 |
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| creator | Zhang, Boshan Yu, Jiangjiang Chen, Weizhen Liu, Hang Li, Heng Guo, Hong |
| description | This paper investigates the bond failure performance between precast normal concrete (NC) and cast-in situ ultra-high performance concrete (UHPC), emphasizing the influence of interfacial roughness. The interfacial bonding behavior under tension and under shear was investigated based on 72 groups of pull-off tests and 36 groups of bi-shear tests, considering six different interface treatment methods and two different NC strength levels. The results demonstrate that certain interfacial roughness is essential to gain a reliable bond connection between NC and UHPC. Its enhancement on the tensile bond performance could be described by the positive linear relationship between the mean roughness and the pull-off strength. However, further research is required to determine the characterization method of its influence on the shear bond performance. The higher strength of the base concrete is beneficial to the bond performance. Though this effect is evident in the pull-off tests under tension, the influence on the shear interfacial performance could be offset by that of the interface morphology in the case with high interfacial roughness. |
| doi_str_mv | 10.3390/ma16072708 |
| format | Article |
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The interfacial bonding behavior under tension and under shear was investigated based on 72 groups of pull-off tests and 36 groups of bi-shear tests, considering six different interface treatment methods and two different NC strength levels. The results demonstrate that certain interfacial roughness is essential to gain a reliable bond connection between NC and UHPC. Its enhancement on the tensile bond performance could be described by the positive linear relationship between the mean roughness and the pull-off strength. However, further research is required to determine the characterization method of its influence on the shear bond performance. The higher strength of the base concrete is beneficial to the bond performance. Though this effect is evident in the pull-off tests under tension, the influence on the shear interfacial performance could be offset by that of the interface morphology in the case with high interfacial roughness.</description><identifier>ISSN: 1996-1944</identifier><identifier>EISSN: 1996-1944</identifier><identifier>DOI: 10.3390/ma16072708</identifier><identifier>PMID: 37049000</identifier><language>eng</language><publisher>Switzerland: MDPI AG</publisher><subject>Concrete ; Influence ; Interfaces ; Interfacial bonding ; Methods ; Microscopy ; Morphology ; Precast concrete ; Pull off tests ; Reinforced concrete ; Roughness ; Shear strength ; Shear tests ; Substrates ; Tensile strength ; Ultra high performance concrete</subject><ispartof>Materials, 2023-03, Vol.16 (7), p.2708</ispartof><rights>COPYRIGHT 2023 MDPI AG</rights><rights>2023 by the authors. Licensee MDPI, Basel, Switzerland. This article is an open access article distributed under the terms and conditions of the Creative Commons Attribution (CC BY) license (https://creativecommons.org/licenses/by/4.0/). 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Though this effect is evident in the pull-off tests under tension, the influence on the shear interfacial performance could be offset by that of the interface morphology in the case with high interfacial roughness.</description><subject>Concrete</subject><subject>Influence</subject><subject>Interfaces</subject><subject>Interfacial bonding</subject><subject>Methods</subject><subject>Microscopy</subject><subject>Morphology</subject><subject>Precast concrete</subject><subject>Pull off tests</subject><subject>Reinforced concrete</subject><subject>Roughness</subject><subject>Shear strength</subject><subject>Shear tests</subject><subject>Substrates</subject><subject>Tensile strength</subject><subject>Ultra high performance concrete</subject><issn>1996-1944</issn><issn>1996-1944</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2023</creationdate><recordtype>article</recordtype><sourceid>ABUWG</sourceid><sourceid>AFKRA</sourceid><sourceid>AZQEC</sourceid><sourceid>BENPR</sourceid><sourceid>CCPQU</sourceid><sourceid>DWQXO</sourceid><recordid>eNpdUcFu1TAQjBCIVm0vfACyxAUhpbVjx7FPqDwKrVRBRenZcpL1e64S-2E7QP-eRa-Ugn3wandmvKOpqheMHnOu6clsmaRd01H1pNpnWsuaaSGePqr3qqOcbykezplq9PNqj3dUaGzsV9PZzy0kP0ModiLXZRnvSAzkXQwjuYLkYpptGIBERz6t6pvzqxW5CAUHdoBMfviyIe-9c5BQgHyJy3oTIGdikX699LkkWwBlcbwum8PqmbNThqP796C6-XD2dXVeX37-eLE6vawHIWSpWStb0TStc4Oio6RUdWPbA6e87RvOsNKq4-0oZNdrqij0o7Igre1lr20j-EH1dqe7XfoZxgF3S3YyW_Rp052J1pt_J8FvzDp-N4xS3Xaao8Lre4UUvy2Qi5l9HmCabIC4ZNMoSmXDlFIIffUf9DYuKaA_03SYgVBUtIg63qHWdgLjg4v48YB3hNkPMYDz2D_thNRComUkvNkRhhRzTuAe1mfU_E7e_E0ewS8fG36A_smZ_wKl76hI</recordid><startdate>20230328</startdate><enddate>20230328</enddate><creator>Zhang, Boshan</creator><creator>Yu, Jiangjiang</creator><creator>Chen, Weizhen</creator><creator>Liu, Hang</creator><creator>Li, Heng</creator><creator>Guo, Hong</creator><general>MDPI AG</general><general>MDPI</general><scope>NPM</scope><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>8FD</scope><scope>8FE</scope><scope>8FG</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AFKRA</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BGLVJ</scope><scope>CCPQU</scope><scope>D1I</scope><scope>DWQXO</scope><scope>HCIFZ</scope><scope>JG9</scope><scope>KB.</scope><scope>PDBOC</scope><scope>PIMPY</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>7X8</scope><scope>5PM</scope><orcidid>https://orcid.org/0000-0002-3187-9041</orcidid><orcidid>https://orcid.org/0000-0002-0132-589X</orcidid></search><sort><creationdate>20230328</creationdate><title>Experimental Study on Bond Performance of NC-UHPC Interfaces with Different Roughness and Substrate Strength</title><author>Zhang, Boshan ; Yu, Jiangjiang ; Chen, Weizhen ; Liu, Hang ; Li, Heng ; Guo, Hong</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c446t-15654225ffc80d60087d5be3035b231be398735d467b9080ebd8ae6aab6b9a243</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2023</creationdate><topic>Concrete</topic><topic>Influence</topic><topic>Interfaces</topic><topic>Interfacial bonding</topic><topic>Methods</topic><topic>Microscopy</topic><topic>Morphology</topic><topic>Precast concrete</topic><topic>Pull off tests</topic><topic>Reinforced concrete</topic><topic>Roughness</topic><topic>Shear strength</topic><topic>Shear tests</topic><topic>Substrates</topic><topic>Tensile strength</topic><topic>Ultra high performance concrete</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Zhang, Boshan</creatorcontrib><creatorcontrib>Yu, Jiangjiang</creatorcontrib><creatorcontrib>Chen, Weizhen</creatorcontrib><creatorcontrib>Liu, Hang</creatorcontrib><creatorcontrib>Li, Heng</creatorcontrib><creatorcontrib>Guo, Hong</creatorcontrib><collection>PubMed</collection><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Technology Research Database</collection><collection>ProQuest SciTech Collection</collection><collection>ProQuest Technology Collection</collection><collection>Materials Science & Engineering Collection</collection><collection>ProQuest Central (Alumni Edition)</collection><collection>ProQuest Central UK/Ireland</collection><collection>ProQuest Central Essentials</collection><collection>ProQuest Central</collection><collection>Technology Collection</collection><collection>ProQuest One Community College</collection><collection>ProQuest Materials Science Collection</collection><collection>ProQuest Central Korea</collection><collection>SciTech Premium Collection</collection><collection>Materials Research Database</collection><collection>Materials Science Database</collection><collection>Materials Science Collection</collection><collection>Publicly Available Content Database</collection><collection>ProQuest One Academic Eastern Edition (DO NOT USE)</collection><collection>ProQuest One Academic</collection><collection>ProQuest One Academic UKI Edition</collection><collection>ProQuest Central China</collection><collection>MEDLINE - Academic</collection><collection>PubMed Central (Full Participant titles)</collection><jtitle>Materials</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Zhang, Boshan</au><au>Yu, Jiangjiang</au><au>Chen, Weizhen</au><au>Liu, Hang</au><au>Li, Heng</au><au>Guo, Hong</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Experimental Study on Bond Performance of NC-UHPC Interfaces with Different Roughness and Substrate Strength</atitle><jtitle>Materials</jtitle><addtitle>Materials (Basel)</addtitle><date>2023-03-28</date><risdate>2023</risdate><volume>16</volume><issue>7</issue><spage>2708</spage><pages>2708-</pages><issn>1996-1944</issn><eissn>1996-1944</eissn><abstract>This paper investigates the bond failure performance between precast normal concrete (NC) and cast-in situ ultra-high performance concrete (UHPC), emphasizing the influence of interfacial roughness. The interfacial bonding behavior under tension and under shear was investigated based on 72 groups of pull-off tests and 36 groups of bi-shear tests, considering six different interface treatment methods and two different NC strength levels. The results demonstrate that certain interfacial roughness is essential to gain a reliable bond connection between NC and UHPC. Its enhancement on the tensile bond performance could be described by the positive linear relationship between the mean roughness and the pull-off strength. However, further research is required to determine the characterization method of its influence on the shear bond performance. The higher strength of the base concrete is beneficial to the bond performance. 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| subjects | Concrete Influence Interfaces Interfacial bonding Methods Microscopy Morphology Precast concrete Pull off tests Reinforced concrete Roughness Shear strength Shear tests Substrates Tensile strength Ultra high performance concrete |
| title | Experimental Study on Bond Performance of NC-UHPC Interfaces with Different Roughness and Substrate Strength |
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