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龔昌基 （福建省建筑設(shè)計研究院 福州 350001）
[提要] 幕墻的鋁合金立柱、橫梁并非脆性材料，在計算這些構(gòu)件的風荷載時是否也應(yīng)考慮“陣風系數(shù) βz= 2.25”？連接立柱與主體結(jié)構(gòu)的固定支座是否也要做成“彈性活動連接”？作者就此及幕墻設(shè)計中的其它一些問題提出個人看法。
[關(guān)鍵詞] 玻璃板塊 鋁合金 立柱 橫梁 陣風系數(shù) 風振系數(shù) 固定支座 彈性活動連接The columns and beams extruded from aluminum alloy used in glass curtain wall are not of brittle material. The personal opinion has been presented about some problems in glass curtain wall design, such as, if the factor of gust βz=2.25 should be considered in calculating the wind load of the construction, if the static support connecting the curtain wall columns with the main structure should be designed as elastic movable connection, etc..
Keywords: glass panel; columns. beams; aluminum alloy; gust; wind vibration; factor; static support; elastic movable connection
