{"title":"圆柱形曲面玻璃板结构密封胶接缝长度方向的应力分布","authors":"Mihail Istratii","doi":"10.47982/cgc.9.595","DOIUrl":null,"url":null,"abstract":"It has been identified that current standardised method for structural sealant joint dimensioning is applicable to flat rectangular panels only and no provisions are made for panels with curved surfaces. The purpose of this study is to investigate the stress distribution along the sealant joint of a cylindrically curved glass panel subjected to wind pressure and to establish if the panel curvature influences the stress distribution along the joint length. Using numerical method, several curved units were analysed and the results have shown that the out of plane wind action generate compression and shear forces within the joint, both occurring at the same time. This means that in the case of a structurally bonded curved panel, additionally to the shear caused by differential thermal expansion of elements or glass self-wight which is covered by ETAG 002 and EN 13022 the designer must also consider the shear stress induced due to the panel curvature. The magnitude and location of this additional shear stress and also of the tension/compression stress can be identified using Finite Element Analysis.","PeriodicalId":332145,"journal":{"name":"Challenging Glass Conference Proceedings","volume":null,"pages":null},"PeriodicalIF":0.0000,"publicationDate":"2024-06-16","publicationTypes":"Journal Article","fieldsOfStudy":null,"isOpenAccess":false,"openAccessPdf":"","citationCount":"0","resultStr":"{\"title\":\"Stress Distribution along the Structural Sealant Joint Length of a Cylindrically Curved Glazing Panel\",\"authors\":\"Mihail Istratii\",\"doi\":\"10.47982/cgc.9.595\",\"DOIUrl\":null,\"url\":null,\"abstract\":\"It has been identified that current standardised method for structural sealant joint dimensioning is applicable to flat rectangular panels only and no provisions are made for panels with curved surfaces. The purpose of this study is to investigate the stress distribution along the sealant joint of a cylindrically curved glass panel subjected to wind pressure and to establish if the panel curvature influences the stress distribution along the joint length. Using numerical method, several curved units were analysed and the results have shown that the out of plane wind action generate compression and shear forces within the joint, both occurring at the same time. This means that in the case of a structurally bonded curved panel, additionally to the shear caused by differential thermal expansion of elements or glass self-wight which is covered by ETAG 002 and EN 13022 the designer must also consider the shear stress induced due to the panel curvature. The magnitude and location of this additional shear stress and also of the tension/compression stress can be identified using Finite Element Analysis.\",\"PeriodicalId\":332145,\"journal\":{\"name\":\"Challenging Glass Conference Proceedings\",\"volume\":null,\"pages\":null},\"PeriodicalIF\":0.0000,\"publicationDate\":\"2024-06-16\",\"publicationTypes\":\"Journal Article\",\"fieldsOfStudy\":null,\"isOpenAccess\":false,\"openAccessPdf\":\"\",\"citationCount\":\"0\",\"resultStr\":null,\"platform\":\"Semanticscholar\",\"paperid\":null,\"PeriodicalName\":\"Challenging Glass Conference Proceedings\",\"FirstCategoryId\":\"1085\",\"ListUrlMain\":\"https://doi.org/10.47982/cgc.9.595\",\"RegionNum\":0,\"RegionCategory\":null,\"ArticlePicture\":[],\"TitleCN\":null,\"AbstractTextCN\":null,\"PMCID\":null,\"EPubDate\":\"\",\"PubModel\":\"\",\"JCR\":\"\",\"JCRName\":\"\",\"Score\":null,\"Total\":0}","platform":"Semanticscholar","paperid":null,"PeriodicalName":"Challenging Glass Conference Proceedings","FirstCategoryId":"1085","ListUrlMain":"https://doi.org/10.47982/cgc.9.595","RegionNum":0,"RegionCategory":null,"ArticlePicture":[],"TitleCN":null,"AbstractTextCN":null,"PMCID":null,"EPubDate":"","PubModel":"","JCR":"","JCRName":"","Score":null,"Total":0}
引用次数: 0
摘要
研究发现,目前结构密封胶接缝尺寸的标准化方法仅适用于扁平矩形面板,并没有针对曲面面板的规定。本研究的目的是调查承受风压的圆柱形曲面玻璃板密封胶接缝处的应力分布,并确定面板曲率是否会影响接缝长度方向的应力分布。研究采用数值方法对多个曲面单元进行了分析,结果表明,平面外的风力作用会在接缝处产生压缩力和剪切力,两者同时发生。这意味着,对于结构性粘接的曲面面板,除了 ETAG 002 和 EN 13022 所涵盖的元件或玻璃自重的热膨胀差引起的剪力外,设计人员还必须考虑面板曲率引起的剪应力。这种附加剪应力以及拉伸/压缩应力的大小和位置可以通过有限元分析来确定。
Stress Distribution along the Structural Sealant Joint Length of a Cylindrically Curved Glazing Panel
It has been identified that current standardised method for structural sealant joint dimensioning is applicable to flat rectangular panels only and no provisions are made for panels with curved surfaces. The purpose of this study is to investigate the stress distribution along the sealant joint of a cylindrically curved glass panel subjected to wind pressure and to establish if the panel curvature influences the stress distribution along the joint length. Using numerical method, several curved units were analysed and the results have shown that the out of plane wind action generate compression and shear forces within the joint, both occurring at the same time. This means that in the case of a structurally bonded curved panel, additionally to the shear caused by differential thermal expansion of elements or glass self-wight which is covered by ETAG 002 and EN 13022 the designer must also consider the shear stress induced due to the panel curvature. The magnitude and location of this additional shear stress and also of the tension/compression stress can be identified using Finite Element Analysis.