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梁宇釩 王元清 石永久 李少甫?。ㄇ迦A大學建筑玻璃與金屬結(jié)構(gòu)研究所 北京 100084)
[提要] 在點式支承玻璃建筑中,很多情況下玻璃板不僅要承受彎曲荷載如風荷載的作用,還要承受剪切荷載如重力的作用。另外,溫度、支座位移等因素也可能引起較大的面內(nèi)剪力。根據(jù)有限元計算結(jié)果,分析了四點簡支單片玻璃板在面內(nèi)剪力作用下的應(yīng)力分布情況,具體考慮了孔心邊距、剪力大小、玻璃板尺寸以及厚度等因素的改變對孔邊應(yīng)力產(chǎn)生的影響,給出了點支承玻璃板抵抗面內(nèi)剪力時的設(shè)計建議。
[關(guān)鍵詞] 點式支承 面內(nèi)剪力 孔心邊距In the point-supporting glass structures, the glass planes are supposed to bear both the bending load such as wind load and the shear load such as gravity. Additionally,it is possible to generate shearing force by some factors like the change of temperature or support displacement. According to the results of finite element calculations, the effects of the distance from the center of the hole to the edge of the glass,the shear force,the section and thickness of glass on the maximum stress near the holes in the glass are researched. Some conclusions and advices are drawn from the analysis.
Keywords: polnt support; shearing force; plane; hole edge; glass參 考 文 獻
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