Rights statement: This is the author’s version of a work that was accepted for publication in Construction and Building Materials. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Construction and Building Materials, 314, B, 2022 DOI: 10.1016/j.conbuildmat.2021.125595
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Final published version
Research output: Contribution to Journal/Magazine › Journal article › peer-review
Research output: Contribution to Journal/Magazine › Journal article › peer-review
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TY - JOUR
T1 - Local bridging effect of fractured laminated glass with EVA based hybrid interlayers under weathering actions
AU - Yang, Jian
AU - Wang, Yige
AU - Wang, Xing er
AU - Hou, Xiaonan
AU - Zhao, Chenjun
AU - Ye, Jianqiao
N1 - This is the author’s version of a work that was accepted for publication in Construction and Building Materials. Changes resulting from the publishing process, such as peer review, editing, corrections, structural formatting, and other quality control mechanisms may not be reflected in this document. Changes may have been made to this work since it was submitted for publication. A definitive version was subsequently published in Construction and Building Materials, 314, B, 2022 DOI: 10.1016/j.conbuildmat.2021.125595
PY - 2022/1/3
Y1 - 2022/1/3
N2 - Local bridging ability between fragments including bridging force and adhesion concerns the post-fracture performance of laminated glass (LG). Weathering actions such as heat and lighting radiation can greatly damage bridging ability. The bridging behaviour of fractured LG under diverse weathering actions was examined in this work. Material specimens made of single EVA interlayer and hybrid EVA/PC interlayer, which were developed to provide better degradation resistance and long-term post-fracture performance for LG products, were manufactured. Uniaxial tensile tests on the interlayer specimens and through-crack tensile (TCT) tests on fractured LG specimens were performed after the specimens were exposed to the weathering actions including different temperatures, damp heat, and radiations from laboratory light source. Experimental observations, testing data such as bridging force–displacement relationship, normalized force and stress were analysed to discuss the effects of the weathering actions. Finally, the equivalent adhesion energy was determined to describe the failure of interfacial bridging. It is found that temperature rise to over 60 °C will greatly damage the bridging ability even for the specimens with hybrid interlayers, which also present limited bridging effects when temperature increases to nearly 100 °C. Damp heat and lighting treatment are found to have limited effects on the adhesion resistance of hybrid interlayer, although the former may facilitate interlayer rupture and the latter may result in greater degradation of adhesion energy.
AB - Local bridging ability between fragments including bridging force and adhesion concerns the post-fracture performance of laminated glass (LG). Weathering actions such as heat and lighting radiation can greatly damage bridging ability. The bridging behaviour of fractured LG under diverse weathering actions was examined in this work. Material specimens made of single EVA interlayer and hybrid EVA/PC interlayer, which were developed to provide better degradation resistance and long-term post-fracture performance for LG products, were manufactured. Uniaxial tensile tests on the interlayer specimens and through-crack tensile (TCT) tests on fractured LG specimens were performed after the specimens were exposed to the weathering actions including different temperatures, damp heat, and radiations from laboratory light source. Experimental observations, testing data such as bridging force–displacement relationship, normalized force and stress were analysed to discuss the effects of the weathering actions. Finally, the equivalent adhesion energy was determined to describe the failure of interfacial bridging. It is found that temperature rise to over 60 °C will greatly damage the bridging ability even for the specimens with hybrid interlayers, which also present limited bridging effects when temperature increases to nearly 100 °C. Damp heat and lighting treatment are found to have limited effects on the adhesion resistance of hybrid interlayer, although the former may facilitate interlayer rupture and the latter may result in greater degradation of adhesion energy.
KW - Adhesion
KW - Delamination
KW - Ethylene-vinyl acetate
KW - Laminated glass
KW - Weathering action
U2 - 10.1016/j.conbuildmat.2021.125595
DO - 10.1016/j.conbuildmat.2021.125595
M3 - Journal article
AN - SCOPUS:85119250825
VL - 314
JO - Construction and Building Materials
JF - Construction and Building Materials
SN - 0950-0618
IS - B
M1 - 125595
ER -