Results 61 to 70 of about 309 (108)

[Effectiveness of additional anti-rotation steel plate assisted intramedullary nail technology in aseptic femoral non-union]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Wang W   +10 more
europepmc   +1 more source

vivo全球AI研发中心钢结构施工关键技术研究

open access: yesJianzhu Gangjiegou Jinzhan
vivo全球AI研发中心为复杂钢框架-核心筒结构体系,建筑内含5道单截面箱形大跨度巨拱,巨拱最高39.0 m,最大跨度77.6 m。项目现场施工条件复杂,包含5层地下室,顶板层高差大、洞口多,施工最终选用了分段吊装法施工,实际工程中大型履带吊行驶至拱外侧钢栈桥,拱下方则搭设支撑系统,以自内向外的顺序进行施工。本文主要介绍了巨拱施工的方案选择思路,设计出了一种可供重型履带吊作业的钢栈桥以及以塔吊标准节为主的巨拱支撑系统,开展了巨拱全过程施工模拟分析和施工健康监测,二者进行对比后发现结果的吻合度较高;此外 ...
杨熙华   +5 more
doaj  

[Multidisciplinary expert consensus on tophus damage grading and surgical treatment (2025 edition)]. [PDF]

open access: yesZhonghua Shao Shang Yu Chuang Mian Xiu Fu Za Zhi
Wound Repair Professional Committee of Chinese Medical Doctor Association.
europepmc   +1 more source

[Short-term effectiveness of staged management in treatment of complex tibial plateau fracture with severe soft tissue injury]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi, 2022
Hong G   +5 more
europepmc   +1 more source

新型高层模块建筑整体结构性能数值分析研究

open access: yesJianzhu Gangjiegou Jinzhan
作为新型装配式建筑形式,模块建筑可依据主要受力结构的差异,分为叠箱类模块结构与嵌入式模块结构。其中嵌入式模块结构在结构性能、建筑适用性及可维护性等方面具备技术优势,但存在柱距偏小、现场连接工作量较大等问题。为此,文中提出了一种基于稀疏钢框架的新型高层模块建筑体系。首先构建了该新型模块建筑的整体结构建模方法,再通过Midas Gen分析软件对其开展数值分析。初步分析结果表明:该结构框架柱长细比、框架梁跨度均较大,构件承载力由竖向荷载主导,侧向变形受水平荷载控制 ...
陈浩   +5 more
doaj  

[Research and clinical application progress of foot lengthening surgery]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Wang Z   +8 more
europepmc   +1 more source

考虑初始缺陷的桥梁高大施工支架整体稳定性能研究

open access: yesJianzhu Gangjiegou Jinzhan
高大施工支架是大跨度复杂桥梁工程中常用的钢结构支撑系统。实际工程中由于受到高大施工支架加工安装误差、超限受力或不均匀受力等因素影响,因此钢结构施工支架存在节点连接不牢固、杆件弯曲变形等初始缺陷。为明确初始缺陷对桥梁高大施工支架整体稳定性能的影响规律,首先开展了桥梁高大施工支架的线性屈曲分析,进而探讨了节点半刚性、杆件初弯曲等初始缺陷对桥梁高大施工支架极限承载力的影响规律。为提高桥梁高大施工支架极限承载力的求解精度,引入刚度系数来衡量节点半刚性,综合考虑节点体对杆件计算长度的影响 ...
唐永   +5 more
doaj  

[Clinical advances in Ilizarov technique for foot and ankle trauma]. [PDF]

open access: yesZhongguo Xiu Fu Chong Jian Wai Ke Za Zhi
Cai P, Fang X, Li J, Li Y, Zhang H.
europepmc   +1 more source

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