幕墙玻璃肋连接孔承载力试验与仿真研究

摘要/Abstract

摘要： 全玻幕墙具有较好的通透性,被广泛应用于现代建筑。对于大尺寸玻璃肋通常采用拼接的方式制作,拼接连接孔的承载能力对玻璃肋整体承载力影响很大,本文通过有限元软件ANSYS Workbench对连接孔接触进行分析,并与试验破坏荷载进行对比,比较玻璃孔内采用弹性介质尼龙1010套环与喜利得RE-500植筋胶两种连接孔构造对玻璃孔承载力的影响,然后分析玻璃孔尺寸对连接孔承载力的影响。结果表明:满足玻璃连接孔构造前提下,采用喜利得RE-500植筋胶的构造形式比采用弹性介质尼龙1010套环构造形式具有更高的承载能力;连接孔承载力随着开孔尺寸增大而提高,采用喜利得RE-500植筋胶构造形式下玻璃孔直径在54~56 mm最合适;工程实际中需严格控制玻璃肋的精加工,避免因玻璃表面缺陷影响玻璃肋的整体承载能力。

关键词: 全玻幕墙, 玻璃肋, 节点承载力, 玻璃连接孔, 弹性介质, 仿真模拟

Abstract: All-glass curtain wall is widely used in modern buildings due to its good permeability. For large-size glass ribs, it is usually made by splicing. The bearing capacity of splicing connecting holes has a great influence on the overall bearing capacity of glass ribs. In this paper, the finite element software ANSYS Workbench was used to analyze the contact of the connecting hole and compare it with the test failure load. The influence of two kinds of connecting hole structures, nylon 1010 and Hilti RE-500 reinforced plastic, on the bearing capacity of the glass hole was compared, and then the relationship between the size of the glass hole and the bearing capacity of the connecting hole was analyzed. The results show that the structure using Hilti RE-500 reinforced glue has higher bearing capacity than that using nylon 1010 with elastic medium under the premise of meeting the glass connecting hole structure. The bearing capacity of connecting holes increases with the size of opening holes, and the diameter of glass in the form of Hilti RE-500 reinforced plastic structure is the most suitable: 54~56 mm. In actual engineering, the finishing of the glass should be strictly controlled to avoid affecting the overall bearing capacity of the glass rib due to the defects on the glass surface.

Key words: all-glass curtain wall, glass rib, bearing capacity of connection, glass connection hole, elastic medium, simulation

中图分类号:

TU382

雷科阳, 磨季云, 姜捷奇, 杨印南. 幕墙玻璃肋连接孔承载力试验与仿真研究[J]. 硅酸盐通报, 2022, 41(7): 2524-2532.

LEI Keyang, MO Jiyun, JIANG Jieqi, YANG Yinnan. Experimental and Simulation Research on Bearing Capacity of Connecting of Curtain Wall Glass Ribs[J]. BULLETIN OF THE CHINESE CERAMIC SOCIETY, 2022, 41(7): 2524-2532.

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