- 摘 要
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曾銀枝1 董 明2 錢若軍3 李亞明2 楊聯(lián)萍2 姚念亮2（1 中國建筑科學(xué)研究院 北京 100013； 2 上?，F(xiàn)代設(shè)計(jì)集團(tuán) 上海 200011； 3 同濟(jì)大學(xué)建筑工程系 上海 200092）
[提要] 通過對(duì)足尺焊接空心鼓節(jié)點(diǎn)的試驗(yàn)和非線性有限元彈塑性分析，進(jìn)行了節(jié)點(diǎn)的力學(xué)性能研究；并通過有限元計(jì)算，對(duì)空間受力的鼓節(jié)點(diǎn)進(jìn)行了多參數(shù)、多工況計(jì)算，推導(dǎo)了其承載力計(jì)算公式。研究的結(jié)果對(duì)于推廣鼓節(jié)點(diǎn)在空間結(jié)構(gòu)中的應(yīng)用具有一定實(shí)際意義。
[關(guān)鍵詞] 鼓節(jié)點(diǎn) 受力性能 有限元分析 承載力公式Welded hollow truncated joint is a new type of joint. The static behavior of the joint has studied through the static test of a small shell with full-scaled joints, and through the elastic-plastic computation of nonlinear FEM. The bearing capacity of the hollow truncated joint is studied under the condition of all kinds of parameter. And the formula of bearing capacity is deduced.The results are meaningful to develop this kind of joint in the single-layer latticed shell.
Keywords: truncated joints; static behaviors; elastic-plastic analysis; FEM; bearing capacity
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