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Post-failure behavior of 2-ply laminated glass plates with different interlayers
•An experimental investigation on undamaged and damaged 2ply LG plates is presented.•Three different interlayers are considered: PVB, SG and DG41.•Tempered and toughened glasses are considered.•Undamaged and partially damaged plates were tested.•Contribution of fractured layer in the global stiffnes...
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| Published in: | Engineering fracture mechanics 2022-06, Vol.268, p.108496, Article 108496 |
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| container_title | Engineering fracture mechanics |
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| creator | Biolzi, Luigi Cattaneo, Sara Simoncelli, Marco |
| description | •An experimental investigation on undamaged and damaged 2ply LG plates is presented.•Three different interlayers are considered: PVB, SG and DG41.•Tempered and toughened glasses are considered.•Undamaged and partially damaged plates were tested.•Contribution of fractured layer in the global stiffness is discussed.
Modern design codes, such as the new Eurocode on the design of structural glass components, consider the prediction of the post-failure behavior of these elements of paramount importance for a proper and safe design. In this view, an experimental investigation is presented in the paper, on the mechanical response of undamaged and damaged 2-ply Laminated Glass (LG) under quasi-static loads, with different interlayers, namely polyvinyl butyral (PVB), SentryGlas (SG) and a plasticized version of PVB, Saflex DG41 (DG41). Firstly, undamaged specimens (UDLG) were tested in simply supported configuration (configuration 0) with a vertical load in the middle increased up to the failure of the bottom glass ply. damaged LG specimens (PDLG) were then tested into two different configurations: configuration I, with broken ply below (bottom ply) and configuration II, with broken ply above (top ply). All the presented tests were performed under displacement control. For both configurations, the interlayers influence on the post-breakage behavior was discussed. It is underlined that the global response of the two configurations was completely different: configuration II, which was characterized by a deformed shape opposite to the load direction, showed a good residual stiffness and reached high failure loads. On the contrary, in configuration I, the response was characterized by a low stiffness and load carrying capacity. In addition, also the influence of different glass types was discussed, focusing attention on tempered and toughened glass. The results showed that the contribution of the fractured layer cannot be disregarded in the evaluation of the global stiffness of a PDLG and its contribution is strictly related to the interlayer and glass typologies. |
| doi_str_mv | 10.1016/j.engfracmech.2022.108496 |
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Modern design codes, such as the new Eurocode on the design of structural glass components, consider the prediction of the post-failure behavior of these elements of paramount importance for a proper and safe design. In this view, an experimental investigation is presented in the paper, on the mechanical response of undamaged and damaged 2-ply Laminated Glass (LG) under quasi-static loads, with different interlayers, namely polyvinyl butyral (PVB), SentryGlas (SG) and a plasticized version of PVB, Saflex DG41 (DG41). Firstly, undamaged specimens (UDLG) were tested in simply supported configuration (configuration 0) with a vertical load in the middle increased up to the failure of the bottom glass ply. damaged LG specimens (PDLG) were then tested into two different configurations: configuration I, with broken ply below (bottom ply) and configuration II, with broken ply above (top ply). All the presented tests were performed under displacement control. For both configurations, the interlayers influence on the post-breakage behavior was discussed. It is underlined that the global response of the two configurations was completely different: configuration II, which was characterized by a deformed shape opposite to the load direction, showed a good residual stiffness and reached high failure loads. On the contrary, in configuration I, the response was characterized by a low stiffness and load carrying capacity. In addition, also the influence of different glass types was discussed, focusing attention on tempered and toughened glass. The results showed that the contribution of the fractured layer cannot be disregarded in the evaluation of the global stiffness of a PDLG and its contribution is strictly related to the interlayer and glass typologies.</description><identifier>ISSN: 0013-7944</identifier><identifier>EISSN: 1873-7315</identifier><identifier>DOI: 10.1016/j.engfracmech.2022.108496</identifier><language>eng</language><publisher>New York: Elsevier Ltd</publisher><subject>Bearing strength ; Building codes ; Configurations ; Failure ; Glass ; Glass plates ; Interlayers ; Load carrying capacity ; Mechanical analysis ; Mechanical behavior ; Polyvinyl acetal resins ; Polyvinyl butyral ; Post-failure response ; Quasi-static tests ; Safety glass ; SG, DG41 and PVB interlayers ; Static loads ; Stiffness ; Tempered and toughened glass ; Vertical loads</subject><ispartof>Engineering fracture mechanics, 2022-06, Vol.268, p.108496, Article 108496</ispartof><rights>2022 Elsevier Ltd</rights><rights>Copyright Elsevier BV Jun 1, 2022</rights><lds50>peer_reviewed</lds50><oa>free_for_read</oa><woscitedreferencessubscribed>false</woscitedreferencessubscribed><citedby>FETCH-LOGICAL-c400t-3d87f5817337a2d6cf99173e1ed53a7855e9069377c7ba75b0f2cbe7c12556393</citedby><cites>FETCH-LOGICAL-c400t-3d87f5817337a2d6cf99173e1ed53a7855e9069377c7ba75b0f2cbe7c12556393</cites></display><links><openurl>$$Topenurl_article</openurl><openurlfulltext>$$Topenurlfull_article</openurlfulltext><thumbnail>$$Tsyndetics_thumb_exl</thumbnail><link.rule.ids>315,786,790,27957,27958</link.rule.ids></links><search><creatorcontrib>Biolzi, Luigi</creatorcontrib><creatorcontrib>Cattaneo, Sara</creatorcontrib><creatorcontrib>Simoncelli, Marco</creatorcontrib><title>Post-failure behavior of 2-ply laminated glass plates with different interlayers</title><title>Engineering fracture mechanics</title><description>•An experimental investigation on undamaged and damaged 2ply LG plates is presented.•Three different interlayers are considered: PVB, SG and DG41.•Tempered and toughened glasses are considered.•Undamaged and partially damaged plates were tested.•Contribution of fractured layer in the global stiffness is discussed.
Modern design codes, such as the new Eurocode on the design of structural glass components, consider the prediction of the post-failure behavior of these elements of paramount importance for a proper and safe design. In this view, an experimental investigation is presented in the paper, on the mechanical response of undamaged and damaged 2-ply Laminated Glass (LG) under quasi-static loads, with different interlayers, namely polyvinyl butyral (PVB), SentryGlas (SG) and a plasticized version of PVB, Saflex DG41 (DG41). Firstly, undamaged specimens (UDLG) were tested in simply supported configuration (configuration 0) with a vertical load in the middle increased up to the failure of the bottom glass ply. damaged LG specimens (PDLG) were then tested into two different configurations: configuration I, with broken ply below (bottom ply) and configuration II, with broken ply above (top ply). All the presented tests were performed under displacement control. For both configurations, the interlayers influence on the post-breakage behavior was discussed. It is underlined that the global response of the two configurations was completely different: configuration II, which was characterized by a deformed shape opposite to the load direction, showed a good residual stiffness and reached high failure loads. On the contrary, in configuration I, the response was characterized by a low stiffness and load carrying capacity. In addition, also the influence of different glass types was discussed, focusing attention on tempered and toughened glass. The results showed that the contribution of the fractured layer cannot be disregarded in the evaluation of the global stiffness of a PDLG and its contribution is strictly related to the interlayer and glass typologies.</description><subject>Bearing strength</subject><subject>Building codes</subject><subject>Configurations</subject><subject>Failure</subject><subject>Glass</subject><subject>Glass plates</subject><subject>Interlayers</subject><subject>Load carrying capacity</subject><subject>Mechanical analysis</subject><subject>Mechanical behavior</subject><subject>Polyvinyl acetal resins</subject><subject>Polyvinyl butyral</subject><subject>Post-failure response</subject><subject>Quasi-static tests</subject><subject>Safety glass</subject><subject>SG, DG41 and PVB interlayers</subject><subject>Static loads</subject><subject>Stiffness</subject><subject>Tempered and toughened glass</subject><subject>Vertical loads</subject><issn>0013-7944</issn><issn>1873-7315</issn><fulltext>true</fulltext><rsrctype>article</rsrctype><creationdate>2022</creationdate><recordtype>article</recordtype><recordid>eNqNkElPwzAQhS0EEmX5D0acU7zEsXNEFZtUiR7gbDnOuHWUJsV2i_rvcRUOHDnNovfeaD6E7iiZU0Krh24Ow9oFY7dgN3NGGMt7VdbVGZpRJXkhORXnaEYIzX1dlpfoKsaOECIrRWZotRpjKpzx_T4AbmBjDn4MeHSYFbv-iHuz9YNJ0OJ1b2LEuz4PEX_7tMGtdw4CDAn7IUHozRFCvEEXzvQRbn_rNfp8fvpYvBbL95e3xeOysCUhqeCtkk4oKjmXhrWVdXWdB6DQCm6kEgJqUtVcSisbI0VDHLMNSEuZEBWv-TW6n3J3YfzaQ0y6G_dhyCc1q5QSmYEqs6qeVDaMMQZwehf81oSjpkSfAOpO_wGoTwD1BDB7F5MX8hsHD0FH62Gw0PoANul29P9I-QEOsn79</recordid><startdate>20220601</startdate><enddate>20220601</enddate><creator>Biolzi, Luigi</creator><creator>Cattaneo, Sara</creator><creator>Simoncelli, Marco</creator><general>Elsevier Ltd</general><general>Elsevier BV</general><scope>AAYXX</scope><scope>CITATION</scope><scope>7SR</scope><scope>7TB</scope><scope>8BQ</scope><scope>8FD</scope><scope>FR3</scope><scope>JG9</scope><scope>KR7</scope></search><sort><creationdate>20220601</creationdate><title>Post-failure behavior of 2-ply laminated glass plates with different interlayers</title><author>Biolzi, Luigi ; Cattaneo, Sara ; Simoncelli, Marco</author></sort><facets><frbrtype>5</frbrtype><frbrgroupid>cdi_FETCH-LOGICAL-c400t-3d87f5817337a2d6cf99173e1ed53a7855e9069377c7ba75b0f2cbe7c12556393</frbrgroupid><rsrctype>articles</rsrctype><prefilter>articles</prefilter><language>eng</language><creationdate>2022</creationdate><topic>Bearing strength</topic><topic>Building codes</topic><topic>Configurations</topic><topic>Failure</topic><topic>Glass</topic><topic>Glass plates</topic><topic>Interlayers</topic><topic>Load carrying capacity</topic><topic>Mechanical analysis</topic><topic>Mechanical behavior</topic><topic>Polyvinyl acetal resins</topic><topic>Polyvinyl butyral</topic><topic>Post-failure response</topic><topic>Quasi-static tests</topic><topic>Safety glass</topic><topic>SG, DG41 and PVB interlayers</topic><topic>Static loads</topic><topic>Stiffness</topic><topic>Tempered and toughened glass</topic><topic>Vertical loads</topic><toplevel>peer_reviewed</toplevel><toplevel>online_resources</toplevel><creatorcontrib>Biolzi, Luigi</creatorcontrib><creatorcontrib>Cattaneo, Sara</creatorcontrib><creatorcontrib>Simoncelli, Marco</creatorcontrib><collection>CrossRef</collection><collection>Engineered Materials Abstracts</collection><collection>Mechanical & Transportation Engineering Abstracts</collection><collection>METADEX</collection><collection>Technology Research Database</collection><collection>Engineering Research Database</collection><collection>Materials Research Database</collection><collection>Civil Engineering Abstracts</collection><jtitle>Engineering fracture mechanics</jtitle></facets><delivery><delcategory>Remote Search Resource</delcategory><fulltext>fulltext</fulltext></delivery><addata><au>Biolzi, Luigi</au><au>Cattaneo, Sara</au><au>Simoncelli, Marco</au><format>journal</format><genre>article</genre><ristype>JOUR</ristype><atitle>Post-failure behavior of 2-ply laminated glass plates with different interlayers</atitle><jtitle>Engineering fracture mechanics</jtitle><date>2022-06-01</date><risdate>2022</risdate><volume>268</volume><spage>108496</spage><pages>108496-</pages><artnum>108496</artnum><issn>0013-7944</issn><eissn>1873-7315</eissn><abstract>•An experimental investigation on undamaged and damaged 2ply LG plates is presented.•Three different interlayers are considered: PVB, SG and DG41.•Tempered and toughened glasses are considered.•Undamaged and partially damaged plates were tested.•Contribution of fractured layer in the global stiffness is discussed.
Modern design codes, such as the new Eurocode on the design of structural glass components, consider the prediction of the post-failure behavior of these elements of paramount importance for a proper and safe design. In this view, an experimental investigation is presented in the paper, on the mechanical response of undamaged and damaged 2-ply Laminated Glass (LG) under quasi-static loads, with different interlayers, namely polyvinyl butyral (PVB), SentryGlas (SG) and a plasticized version of PVB, Saflex DG41 (DG41). Firstly, undamaged specimens (UDLG) were tested in simply supported configuration (configuration 0) with a vertical load in the middle increased up to the failure of the bottom glass ply. damaged LG specimens (PDLG) were then tested into two different configurations: configuration I, with broken ply below (bottom ply) and configuration II, with broken ply above (top ply). All the presented tests were performed under displacement control. For both configurations, the interlayers influence on the post-breakage behavior was discussed. It is underlined that the global response of the two configurations was completely different: configuration II, which was characterized by a deformed shape opposite to the load direction, showed a good residual stiffness and reached high failure loads. On the contrary, in configuration I, the response was characterized by a low stiffness and load carrying capacity. In addition, also the influence of different glass types was discussed, focusing attention on tempered and toughened glass. The results showed that the contribution of the fractured layer cannot be disregarded in the evaluation of the global stiffness of a PDLG and its contribution is strictly related to the interlayer and glass typologies.</abstract><cop>New York</cop><pub>Elsevier Ltd</pub><doi>10.1016/j.engfracmech.2022.108496</doi><oa>free_for_read</oa></addata></record> |
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| subjects | Bearing strength Building codes Configurations Failure Glass Glass plates Interlayers Load carrying capacity Mechanical analysis Mechanical behavior Polyvinyl acetal resins Polyvinyl butyral Post-failure response Quasi-static tests Safety glass SG, DG41 and PVB interlayers Static loads Stiffness Tempered and toughened glass Vertical loads |
| title | Post-failure behavior of 2-ply laminated glass plates with different interlayers |
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