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[Impact of ultrasonic scaling on abutment screw torque in implant restorations]. [PDF]

open access: yesBeijing Da Xue Xue Bao Yi Xue Ban
Tang Y, Zhao X, Yang X, Jia H, Liu Y.
europepmc   +1 more source

圆钢管混凝土柱-预应力钢筋混凝土梁混合连接节点抗震性能研究

open access: yesJianzhu Gangjiegou Jinzhan
为研究圆钢管混凝土(round concrete-filled steel tubular, RCFST)柱-预应力钢筋混凝土(prestressed reinforced concrete, PRC)梁混合连接节点的抗震性能,文中依托某高铁站候车层的RCFST柱-PRC梁大跨度结构,设计了两个缩尺比例为1∶5的混合连接节点试件,并对其开展了低周往复加载试验研究,分析了有无工字钢牛腿试件的破坏模式、延性、刚度退化和滞回耗能能力。采用ABAQUS有限元软件建立了精细化的有限元分析模型 ...
李贝贝   +4 more
doaj  

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