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A platform for research: civil engineering, architecture and urbanism
Innovative joining technology for lightweight concrete facade panels
The authors discuss the adhesive joining of lightweight high performance concrete facade panels to glass-fibre reinforced polymer anchors (GFRP). The optimization of the adhesively bonded joint by structural mechanical analysis and the selection and testing of suitable adhesives and methods for surface preparation prior to bonding are described. The adhesive properties were examined by tensile tests. Additional contact angle measurements were used to evaluate the wetting properties of the GFRP-surface after different pretreatments (atmospheric pressure plasma, corona, primer). The comparison of load requirements from structural analysis with results obtained on HSC test panels shows, that the innovative facade system basically is able to withstand the required load. Surface preparation on GFRP end plates with atmospheric plasma, surface preparation on HSC surfaces with suitable primer and GFRP-anchors with hinged end however are required. To investigate the long-term properties of such joints, the durability after exposition to different accelerated climatic tests (such as freeze-thaw-test and thermal aging) and static-dynamic wind load test will be assessed.
Innovative joining technology for lightweight concrete facade panels
The authors discuss the adhesive joining of lightweight high performance concrete facade panels to glass-fibre reinforced polymer anchors (GFRP). The optimization of the adhesively bonded joint by structural mechanical analysis and the selection and testing of suitable adhesives and methods for surface preparation prior to bonding are described. The adhesive properties were examined by tensile tests. Additional contact angle measurements were used to evaluate the wetting properties of the GFRP-surface after different pretreatments (atmospheric pressure plasma, corona, primer). The comparison of load requirements from structural analysis with results obtained on HSC test panels shows, that the innovative facade system basically is able to withstand the required load. Surface preparation on GFRP end plates with atmospheric plasma, surface preparation on HSC surfaces with suitable primer and GFRP-anchors with hinged end however are required. To investigate the long-term properties of such joints, the durability after exposition to different accelerated climatic tests (such as freeze-thaw-test and thermal aging) and static-dynamic wind load test will be assessed.
Innovative joining technology for lightweight concrete facade panels
Eine innovative Verbindungstechnik für Fassaden mit leichtgewichtigen Betonfüllungen
Geiß, P.L. (author) / Kohl, V. (author) / Schnell, J. (author) / Chopradub, A. (author)
2008
4 Seiten, 7 Bilder, 3 Quellen
Conference paper
English
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