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    邵永健  劉  強(qiáng)  陳忠漢  朱聘儒
    (蘇州城建環(huán)保學(xué)院城建系  蘇州 215011)

[提要]  通過(guò)對(duì)5根不對(duì)稱鋼骨混凝土梁（其中2根為實(shí)腹工字鋼骨混凝土梁，3根為蜂窩鋼骨混凝土梁）的試驗(yàn)研究和對(duì)試驗(yàn)結(jié)果的分析，提出了不對(duì)稱鋼骨混凝土梁正截面承載力、裂縫寬度、抗彎剛度的計(jì)算方法。結(jié)果表明，計(jì)算值與試驗(yàn)值符合較好。
[關(guān)鍵詞]  不對(duì)稱鋼骨混凝土梁  蜂窩鋼骨混凝土梁  正截面承載力  裂縫寬度  抗彎剛度

The cxpcrimcntal rcscarch on five unsymmctrical-stccl rcinforccd concrcte bcams is rcportcd. Two spccimcns arc I-stccl rcinforccd concrcte bcams and rhe othcrs arc honcycombcd I-stccl rcinforccd concrcte bcams. 13ascd on analysis of the cxpcrimcntal rcsults, calculation mcthod of carrying capacity of normal section, cracking width and flcxural stiffncss for unsymmctrical-stccl rcinforccd concrcte bcam arc proposcd. Rcsult shows that the calculating rcsults agrce with the tcsting data wcll.
Keywords: unsymmctrical-stccl rcinforccd concrcte bcam; honcycombcd I-stccl rcinforccd concrcte bcarn; carrying capacity; normal scction; cracking width; flcxural stiffncss