Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Bond strength, failure criteria and calculation methods for adhesively bonded timber–concrete composites
https://orcid.org/0000-0001-6531-3313
https://orcid.org/0000-0002-9191-1170
Abstract The bond strength of adhesively bonded timber–concrete composites (ATCC) with prefabricated concrete elements is usually described using the shear strength of the timber. This approach, however, often fails to consider the actual failure modes of the bondline and also the interaction between shear stresses and stresses perpendicular to the bondline has not yet been comprehensively understood. To address this limitation, a reliable calculation method is required, where stress determination, failure criterion, and stress analysis are clearly defined to accurately predict the bond failure of ATCC specimens. In this study, three linear-elastic calculation methods and one non-linear calculation method are presented along with corresponding failure criteria and strength parameters. Regarding validation, the predicted failure load is compared to experimental results from 186 ATCC bond specimens to assess the method’s suitability. Based on the findings, appropriate calculation methods for a reliable prediction of the bond strength are recommended.
Graphical abstract Calculation method FE-C: Top: Methodology for the prediction of the failure load, exemplary depicted in the load–displacement diagram. Middle: Development of the damage parameter D with exemplary related crack surface of bond test V3-0. Bottom: Results of the experimental tests compared to the predicted failure load. Display Omitted
Bond strength, failure criteria and calculation methods for adhesively bonded timber–concrete composites
https://orcid.org/0000-0001-6531-3313
https://orcid.org/0000-0002-9191-1170
Abstract The bond strength of adhesively bonded timber–concrete composites (ATCC) with prefabricated concrete elements is usually described using the shear strength of the timber. This approach, however, often fails to consider the actual failure modes of the bondline and also the interaction between shear stresses and stresses perpendicular to the bondline has not yet been comprehensively understood. To address this limitation, a reliable calculation method is required, where stress determination, failure criterion, and stress analysis are clearly defined to accurately predict the bond failure of ATCC specimens. In this study, three linear-elastic calculation methods and one non-linear calculation method are presented along with corresponding failure criteria and strength parameters. Regarding validation, the predicted failure load is compared to experimental results from 186 ATCC bond specimens to assess the method’s suitability. Based on the findings, appropriate calculation methods for a reliable prediction of the bond strength are recommended.
Graphical abstract Calculation method FE-C: Top: Methodology for the prediction of the failure load, exemplary depicted in the load–displacement diagram. Middle: Development of the damage parameter D with exemplary related crack surface of bond test V3-0. Bottom: Results of the experimental tests compared to the predicted failure load. Display Omitted
Bond strength, failure criteria and calculation methods for adhesively bonded timber–concrete composites
https://orcid.org/0000-0001-6531-3313
https://orcid.org/0000-0002-9191-1170
Abstract The bond strength of adhesively bonded timber–concrete composites (ATCC) with prefabricated concrete elements is usually described using the shear strength of the timber. This approach, however, often fails to consider the actual failure modes of the bondline and also the interaction between shear stresses and stresses perpendicular to the bondline has not yet been comprehensively understood. To address this limitation, a reliable calculation method is required, where stress determination, failure criterion, and stress analysis are clearly defined to accurately predict the bond failure of ATCC specimens. In this study, three linear-elastic calculation methods and one non-linear calculation method are presented along with corresponding failure criteria and strength parameters. Regarding validation, the predicted failure load is compared to experimental results from 186 ATCC bond specimens to assess the method’s suitability. Based on the findings, appropriate calculation methods for a reliable prediction of the bond strength are recommended.
Graphical abstract Calculation method FE-C: Top: Methodology for the prediction of the failure load, exemplary depicted in the load–displacement diagram. Middle: Development of the damage parameter D with exemplary related crack surface of bond test V3-0. Bottom: Results of the experimental tests compared to the predicted failure load. Display Omitted
Bond strength, failure criteria and calculation methods for adhesively bonded timber–concrete composites
Frohnmüller, Jens (Autor:in) / Seim, Werner (Autor:in)
27.02.2024
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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