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模块墙建筑新型钢-混凝土组合梁柱节点静力性能研究

open access: yesJianzhu Gangjiegou Jinzhan
基于模块墙轻钢混凝土框架结构体系,提出了一种适用于该体系的轻钢混凝土组合柱-H型钢梁节点。为研究此节点的力学性能,对3组梁柱节点试件进行了单调加载试验。试验结果表明,在梁端单调荷载作用下,节点呈现出明显的半刚性特征。节点的破坏表现为型钢拼合柱内钢材的屈服变形和混凝土的开裂,并且随着顶角钢弯曲变形加大和加劲肋焊缝裂缝发展,最终节点失效。应用ABAQUS有限元软件进行了精细化模拟。结果显示有限元模型的变形过程和破坏特征与试验结果相吻合。考虑H型钢梁截面高度、C型钢厚度和角钢厚度三个关键参数,进行了参数分析 ...
苏佶智   +4 more
doaj  

[Effect of autologous osteochondral tissue and periosteum transplantation on tendon-bone healing of rotator cuff in rabbits]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Fang S   +7 more
europepmc   +1 more source

[Analysis of demographic and clinical characteristics of 744 inpatients with osteoporotic vertebral compression fractures]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Zhang B   +7 more
europepmc   +1 more source

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