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（華南理工大學建筑設(shè)計研究院有限公司， 廣州 510641）
［摘要］建筑造型要求在某4棟超高層塔樓之間設(shè)置平面為十字形玻璃雨篷。玻璃雨篷骨架采用單層網(wǎng)格鋼結(jié)構(gòu)體系，周邊與4棟塔樓相互連接，上部覆蓋夾膠安全玻璃。為了解決多塔樓和雨篷的相互影響，創(chuàng)新性地對雨篷周邊支座進行了研發(fā)，提出一種具有“相對隔離”和“保險絲”作用的U形鋼板支座。采用通用有限元軟件Strand7，在豎向荷載、水平風荷載、溫度及地震作用下對雨篷進行了承載能力極限狀態(tài)分析和正常使用極限狀態(tài)分析。計算結(jié)果表明，在應用U形鋼板支座的情況下，雨篷不僅具有良好的承載能力和變形性能，同時還最大限度地隔離了對塔樓的影響。這種節(jié)點為解決此類問題提供了一種高效、經(jīng)濟且簡單的解決方案。
［關(guān)鍵詞］雨篷； 支承節(jié)點； 單層網(wǎng)格； U形鋼板支座
中圖分類號：TU393-3文獻標識碼：A文章編號：1002-848X(2019)20-0090-04
Innovative design of glass canopy structure between multi-tower buildings with complex connections
Zhou Weijian, Sun Wenbo, Zheng Jiali
(Architectural Design & Research Institute of SCUT Co., Ltd., Guangzhou 510641, China)
Abstract:Architectural modeling requires the installation of a cross-shaped glass canopy between four super high-rise tower buildings. Covered with laminated safety glass, this canopy adopts a single-layer steel grid as its frame structural system, and the surroundings are connected with the four towers. In order to solve the coupled deformation effects between multi-tower buildings and the canopy, the surrounding supports of the canopy were innovatively researched and then one new U-shaped steel plate support with the functions of “relative isolation” and “fuse” was proposed. The general finite element software Strand7 was used to analyze the ultimate bearing state and the serviceability limit state of the canopy under various loading cases, including vertical load, horizontal wind load, temperature load and the earthquake action. The numerical results indicate that the canopy has good bearing capacity and deformation performance by using innovative U-shaped bearing supports and reduces the impact on the towers. This kind of support provides an efficient, economical and simple approach to such problems.
Keywords:canopy; supporting joint; single-layer steel grid; U-shaped steel plate support
作者簡介：周偉堅，碩士，工程師，Email：79993655@qq.com。
