矩形鋼管混凝土桁架受壓節(jié)點(diǎn)承載力*
劉永健1 周緒紅2 肖龍3
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（1長(zhǎng)沙理工大學(xué)410076； 2長(zhǎng)安大學(xué) 西安710064； 3湖南省建材設(shè)計(jì)研究院 長(zhǎng)沙 410011）
［提要］ 在矩形鋼管混凝土桁架受壓節(jié)點(diǎn)受力機(jī)理試驗(yàn)研究的基礎(chǔ)上，提出了矩形鋼管混凝土桁架受壓節(jié)點(diǎn)承載力的計(jì)算公式。該公式與試驗(yàn)結(jié)果相比，吻合較好，可供工程技術(shù)人員設(shè)計(jì)時(shí)參考，并為我國(guó)《矩形鋼管混凝土結(jié)構(gòu)技術(shù)規(guī)程》的編制提供了參考依據(jù)。［關(guān)鍵詞］ 矩形鋼管混凝土結(jié)構(gòu); 矩形鋼管結(jié)構(gòu); 桁架; 節(jié)點(diǎn); 承載力Abstract: According to the experimental research on load transfer mechanism of compression joints of trusses with rectangular steel tube or concrete filled rectangular steel tube，the formula of load bearing capacity of compression joints of trusses with rectangular steel tube or concrete filled rectangular steel tube is presented．Compared with the results of tests，the formula is precise enough，which is helpful to engineers and the compilation of Technical Specification for Structures with Concrete filled Rectangular Steel Tube Members of China．Keywords: truss structures; concrete-filled rectangular steel tube members; joints; load bearing capacity
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