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相贯补强开洞冷弯矩形截面钢管短柱轴压性能研究

open access: yesJianzhu Gangjiegou Jinzhan
结构用冷弯型钢柱常因建筑需求而在柱身位置开洞,但开洞会削弱截面,导致构件承载力下降。为减小开洞带来的不利影响,本文提出了一种采用内套相贯钢管的补强方法,对开圆洞冷弯矩形截面钢管柱进行补强。采用ABAQUS有限元软件分别建立了4种不同截面开洞冷弯矩形截面钢管短柱以及相应补强开洞冷弯矩形截面钢管短柱有限元模型,以开洞尺寸比和板件宽厚比为参数,分析了构件破坏模态、荷载-位移曲线和轴压承载力。研究表明,经相贯钢管补强后,开洞短柱的破坏模态和应力分布得到有效改善,承载力得到明显提高 ...
李成玉   +3 more
doaj  

[Modified anterior subcutaneous internal fixation versus open reduction and plate fixation in treatment of pubic symphysis diastasis]. [PDF]

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

[Lapidus arthrodesis combined with middle metatarsal base rotation osteotomy in treatment of hallux valgus with metatarsus adductus]. [PDF]

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

[Analysis of recurrent cervical abscess: a case report]. [PDF]

open access: yesLin Chuang Er Bi Yan Hou Tou Jing Wai Ke Za Zhi
Wang J, Wang H, Sun M, Zhang E, Zhang Z.
europepmc   +1 more source

[Rehabilitation guidelines and specifications for traumatic spinal cord injury (2025 edition)]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Professional Committee Of Spine And Spinal Cord Injury Rehabilitation China Association Of Rehabilitation Of Disabled Persons   +3 more
europepmc   +1 more source

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