Experimental behavior of a continuous metal connector for a wood-concrete composite system
The benefits of using shear connectors to join wood beams to a concrete slab in a composite floor or deck system are many. Studies throughout the world have demonstrated significantly improved strength, stiffness, and ductility properties from such connection systems as well as citing practical buil...
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| Veröffentlicht in: | Forest products journal 2004-06, Vol.54 (6), p.76-84 |
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| creator | Clouston, P Civjan, S Bathon, L |
| description | The benefits of using shear connectors to join wood beams to a concrete slab in a composite floor or deck system are many. Studies throughout the world have demonstrated significantly improved strength, stiffness, and ductility properties from such connection systems as well as citing practical building advantages such as durability, sound insulation, and fire resistance. In this study, one relatively new shear connector system that originated in Germany has been experimentally investigated for use with U.S. manufactured products. The connector system consists of a continuous steel mesh of which one half is glued into a southern pine Parallam Parallel Strand Lumber beam and the other half embedded into a concrete slab to provide minimal interlayer slip. A variety of commercial epoxics were tested for shear strength and stiffness in standard shear or "push out" tests. The various epoxies resulted in a variety of shear constitutive behaviors; however, for two glue types, shear failure occurred in the steel connector resulting in relatively high initial stiffness and ductility as well as good repeatability. Slip moduli and ultimate strength values are presented and discussed. Full-scale bending tests, using the best performing adhesive as determined from the shear tests, were also conducted. Results indicate consistent, near-full composite action system behavior. [PUBLICATION ABSTRACT] |
| format | Article |
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Studies throughout the world have demonstrated significantly improved strength, stiffness, and ductility properties from such connection systems as well as citing practical building advantages such as durability, sound insulation, and fire resistance. In this study, one relatively new shear connector system that originated in Germany has been experimentally investigated for use with U.S. manufactured products. The connector system consists of a continuous steel mesh of which one half is glued into a southern pine Parallam Parallel Strand Lumber beam and the other half embedded into a concrete slab to provide minimal interlayer slip. A variety of commercial epoxics were tested for shear strength and stiffness in standard shear or "push out" tests. The various epoxies resulted in a variety of shear constitutive behaviors; however, for two glue types, shear failure occurred in the steel connector resulting in relatively high initial stiffness and ductility as well as good repeatability. Slip moduli and ultimate strength values are presented and discussed. Full-scale bending tests, using the best performing adhesive as determined from the shear tests, were also conducted. Results indicate consistent, near-full composite action system behavior. [PUBLICATION ABSTRACT]</description><identifier>ISSN: 0015-7473</identifier><identifier>EISSN: 2376-9637</identifier><identifier>CODEN: FPJOAB</identifier><language>eng</language><publisher>Madison, WI: Forest Products Society</publisher><subject>adhesives ; Applied sciences ; Bend tests ; bending strength ; Concrete ; Concrete slabs ; Connectors ; Ductility ; epoxides ; Exact sciences and technology ; Experiments ; Failure ; Forest products industry ; Historic buildings & sites ; Joint strength ; Lumber ; Management ; materials testing ; mechanical properties ; parallel strand lumber ; Polymer industry, paints, wood ; shear connectors ; Shear strength ; shear stress ; Shear tests ; Statistical analysis ; steel ; steel mesh ; stiffness ; Studies ; Timber ; timber connectors ; wood beams ; Wood-based materials ; Wood. Paper. Non wovens</subject><ispartof>Forest products journal, 2004-06, Vol.54 (6), p.76-84</ispartof><rights>2004 INIST-CNRS</rights><rights>COPYRIGHT 2004 Forest Products Society</rights><rights>Copyright Forest Products Society Jun 2004</rights><lds50>peer_reviewed</lds50><woscitedreferencessubscribed>false</woscitedreferencessubscribed></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>314,776,780</link.rule.ids><backlink>$$Uhttp://pascal-francis.inist.fr/vibad/index.php?action=getRecordDetail&idt=15885508$$DView record in Pascal Francis$$Hfree_for_read</backlink></links><search><creatorcontrib>Clouston, P</creatorcontrib><creatorcontrib>Civjan, S</creatorcontrib><creatorcontrib>Bathon, L</creatorcontrib><title>Experimental behavior of a continuous metal connector for a wood-concrete composite system</title><title>Forest products journal</title><description>The benefits of using shear connectors to join wood beams to a concrete slab in a composite floor or deck system are many. Studies throughout the world have demonstrated significantly improved strength, stiffness, and ductility properties from such connection systems as well as citing practical building advantages such as durability, sound insulation, and fire resistance. In this study, one relatively new shear connector system that originated in Germany has been experimentally investigated for use with U.S. manufactured products. The connector system consists of a continuous steel mesh of which one half is glued into a southern pine Parallam Parallel Strand Lumber beam and the other half embedded into a concrete slab to provide minimal interlayer slip. A variety of commercial epoxics were tested for shear strength and stiffness in standard shear or "push out" tests. The various epoxies resulted in a variety of shear constitutive behaviors; however, for two glue types, shear failure occurred in the steel connector resulting in relatively high initial stiffness and ductility as well as good repeatability. Slip moduli and ultimate strength values are presented and discussed. Full-scale bending tests, using the best performing adhesive as determined from the shear tests, were also conducted. Results indicate consistent, near-full composite action system behavior. [PUBLICATION ABSTRACT]</description><subject>adhesives</subject><subject>Applied sciences</subject><subject>Bend tests</subject><subject>bending strength</subject><subject>Concrete</subject><subject>Concrete slabs</subject><subject>Connectors</subject><subject>Ductility</subject><subject>epoxides</subject><subject>Exact sciences and technology</subject><subject>Experiments</subject><subject>Failure</subject><subject>Forest products industry</subject><subject>Historic buildings & sites</subject><subject>Joint strength</subject><subject>Lumber</subject><subject>Management</subject><subject>materials testing</subject><subject>mechanical properties</subject><subject>parallel strand lumber</subject><subject>Polymer industry, paints, wood</subject><subject>shear connectors</subject><subject>Shear strength</subject><subject>shear stress</subject><subject>Shear tests</subject><subject>Statistical analysis</subject><subject>steel</subject><subject>steel mesh</subject><subject>stiffness</subject><subject>Studies</subject><subject>Timber</subject><subject>timber connectors</subject><subject>wood beams</subject><subject>Wood-based materials</subject><subject>Wood. Paper. Non wovens</subject><issn>0015-7473</issn><issn>2376-9637</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2004</creationdate><recordtype>article</recordtype><sourceid>8G5</sourceid><sourceid>BENPR</sourceid><sourceid>GUQSH</sourceid><sourceid>M2O</sourceid><recordid>eNptkF1LwzAUhosoOKe_wSJ4WclH07SXY8wPGHihu_GmnKYns6NNapKq-_dGtssRDjm873M-OGfJjHFZZFXB5XkyI4SKTOaSXyZX3u8IIVIUbJZ8rH5HdN2AJkCfNvgJ3511qdUppMqa0JnJTj4d8N-OgkEVoq9jQPpjbZtFUTkMGN1htL6Lmd_7gMN1cqGh93hz_OfJ5nH1vnzO1q9PL8vFOtNcsJCpnKqC8JKJpskFaqy4KnjeVIUSqhJAKGtR5rppG2iZlMBEqaNRgi4Z4ZrPk7tD39HZrwl9qHd2ciaOrBnNC05yJiOUHaAt9Fh3RtvgQG3RoIPeGtRdlBeUVrQs4iqRfzjBx9fi0KmTBffHLcAr6LUDozpfj_G24PY1FWUpBCkjd3vgNNgati4ymzdGKCekygUXgv8BqX2F8g</recordid><startdate>20040601</startdate><enddate>20040601</enddate><creator>Clouston, P</creator><creator>Civjan, S</creator><creator>Bathon, L</creator><general>Forest Products Society</general><scope>FBQ</scope><scope>IQODW</scope><scope>0U~</scope><scope>1-H</scope><scope>3V.</scope><scope>4T-</scope><scope>4U-</scope><scope>7ST</scope><scope>7WY</scope><scope>7WZ</scope><scope>7X2</scope><scope>7XB</scope><scope>87Z</scope><scope>8FE</scope><scope>8FG</scope><scope>8FH</scope><scope>8FK</scope><scope>8FL</scope><scope>8G5</scope><scope>ABJCF</scope><scope>ABUWG</scope><scope>AEUYN</scope><scope>AFKRA</scope><scope>ATCPS</scope><scope>AZQEC</scope><scope>BENPR</scope><scope>BEZIV</scope><scope>BGLVJ</scope><scope>BHPHI</scope><scope>BKSAR</scope><scope>C1K</scope><scope>CCPQU</scope><scope>DWQXO</scope><scope>FRNLG</scope><scope>F~G</scope><scope>GNUQQ</scope><scope>GUQSH</scope><scope>HCIFZ</scope><scope>K60</scope><scope>K6~</scope><scope>L.-</scope><scope>L.0</scope><scope>L6V</scope><scope>M0C</scope><scope>M0K</scope><scope>M2O</scope><scope>M7S</scope><scope>MBDVC</scope><scope>PATMY</scope><scope>PCBAR</scope><scope>PQBIZ</scope><scope>PQBZA</scope><scope>PQEST</scope><scope>PQQKQ</scope><scope>PQUKI</scope><scope>PRINS</scope><scope>PTHSS</scope><scope>PYCSY</scope><scope>Q9U</scope><scope>S0X</scope><scope>SOI</scope></search><sort><creationdate>20040601</creationdate><title>Experimental behavior of a continuous metal connector for a wood-concrete composite system</title><author>Clouston, P ; Civjan, S ; Bathon, L</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-f352t-c41c603825bb45efe93c634b96c5c95a012de74fbdbad277a258fc958af8203f3</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2004</creationdate><topic>adhesives</topic><topic>Applied sciences</topic><topic>Bend tests</topic><topic>bending strength</topic><topic>Concrete</topic><topic>Concrete slabs</topic><topic>Connectors</topic><topic>Ductility</topic><topic>epoxides</topic><topic>Exact sciences and technology</topic><topic>Experiments</topic><topic>Failure</topic><topic>Forest products industry</topic><topic>Historic buildings & sites</topic><topic>Joint strength</topic><topic>Lumber</topic><topic>Management</topic><topic>materials testing</topic><topic>mechanical properties</topic><topic>parallel strand lumber</topic><topic>Polymer industry, paints, wood</topic><topic>shear connectors</topic><topic>Shear strength</topic><topic>shear stress</topic><topic>Shear tests</topic><topic>Statistical analysis</topic><topic>steel</topic><topic>steel mesh</topic><topic>stiffness</topic><topic>Studies</topic><topic>Timber</topic><topic>timber connectors</topic><topic>wood beams</topic><topic>Wood-based materials</topic><topic>Wood. Paper. 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Studies throughout the world have demonstrated significantly improved strength, stiffness, and ductility properties from such connection systems as well as citing practical building advantages such as durability, sound insulation, and fire resistance. In this study, one relatively new shear connector system that originated in Germany has been experimentally investigated for use with U.S. manufactured products. The connector system consists of a continuous steel mesh of which one half is glued into a southern pine Parallam Parallel Strand Lumber beam and the other half embedded into a concrete slab to provide minimal interlayer slip. A variety of commercial epoxics were tested for shear strength and stiffness in standard shear or "push out" tests. The various epoxies resulted in a variety of shear constitutive behaviors; however, for two glue types, shear failure occurred in the steel connector resulting in relatively high initial stiffness and ductility as well as good repeatability. Slip moduli and ultimate strength values are presented and discussed. Full-scale bending tests, using the best performing adhesive as determined from the shear tests, were also conducted. Results indicate consistent, near-full composite action system behavior. [PUBLICATION ABSTRACT]</abstract><cop>Madison, WI</cop><pub>Forest Products Society</pub><tpages>9</tpages></addata></record> |
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| ispartof | Forest products journal, 2004-06, Vol.54 (6), p.76-84 |
| issn | 0015-7473 2376-9637 |
| language | eng |
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| source | Business Source Complete |
| subjects | adhesives Applied sciences Bend tests bending strength Concrete Concrete slabs Connectors Ductility epoxides Exact sciences and technology Experiments Failure Forest products industry Historic buildings & sites Joint strength Lumber Management materials testing mechanical properties parallel strand lumber Polymer industry, paints, wood shear connectors Shear strength shear stress Shear tests Statistical analysis steel steel mesh stiffness Studies Timber timber connectors wood beams Wood-based materials Wood. Paper. Non wovens |
| title | Experimental behavior of a continuous metal connector for a wood-concrete composite system |
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