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局部开孔对矩形钢板抗剪承载能力影响研究

open access: yesJianzhu Gangjiegou Jinzhan
由于钢板具有优越的抗剪性能,故其被广泛地应用于建筑结构以及船舶海洋工程中。在实际工程中,由于使用中的需要或者锈蚀等原因,钢板开孔的现象屡见不鲜。开孔会减小钢板的有效抗剪面积进而降低抗剪承载能力。本文开展了矩形孔和圆形孔两种开孔类型对钢板抗剪承载力影响的研究。通过试验研究了开孔位置、开孔率对钢板抗剪承载力的影响。结果表明:开孔位置对钢板抗剪承载力有显著影响;抗剪承载力的降低程度不能简单通过开孔率进行评估。在此基础上,通过理论和试验验证了数值模型的可靠性 ...
杨斌, 赵炳震, 杜颜胜, 赵中伟
doaj   +2 more sources

[Trends in burden of osteoporosis in China from 1990 to 2023 and analysis of epidemiological factors]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Wu Y   +5 more
europepmc   +1 more source

[Analysis of disease burden of fall-related fractures among elderly Chinese from 1990 to 2023]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Zhou Y   +5 more
europepmc   +1 more source

[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

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