Results 11 to 20 of about 35 (28)
本文根据结构特点和施工环境,采用技术先进、安全可靠、方便快捷的"高空定点拼装、累积旋转滑移"施工技术,完成了158m大跨度折面型空间网格钢屋盖结构的安装。采用此定点拼装、累积旋转滑移技术,顺利地完成了主体育馆钢屋盖钢结构安装,最大限度地减少了钢结构施工对其它专业施工的影响,在保证施工安全的前提下,节约了安全措施成本,更好地保证了施工质量,保证了合同节点工期。工程实施过程中从未发生过一起安全事故,工程一次交验合格。
王恒, 魏成权
doaj
新国际博览中心是铸钢件管桁架柔性支撑体系,在安装中首次采用了台车胎架空中纽装,地面滑移的施工新工艺,本文介绍了现场组装焊接和安装技术要领,井对预应力杆的张拉技术和结构体系的关系作了探讨和总结,以供设计和施工参考。
刘子祥, 冯健, 郭正兴, 张晋
doaj
北京奥运会老山自行车馆屋盖采用带环梁的双层球面网壳结构,网壳支承于倾斜的人字型钢柱之上,覆盖直径达149.536m,建成后将成为我国跨度最大的双层球面网壳结构之一。该结构跨度大,矢跨比小,网格杆件较多,设计、施工存在着较大的难度。因此采取何种结构体系,如何进行合理的计算模型分析与施工都需要进行深入的分析与有效的论证。本文对该结构的设计与施工进行了较为全面的介绍与分析。
刘锡良 +4 more
doaj
[Research status and development of biodegradable zinc alloy as orthopedics implant]. [PDF]
Zhang T, Liu Y, Wang W, Zhao D.
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[Effect of various intracanal materials on the diagnostic accuracy of cone-beam computed tomography in vertical root fractures]. [PDF]
Zhang JH, Pan J, Sun ZP, Wang X.
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[Application and development of orthognathic surgery in treatment of syndromic craniosynostosis]. [PDF]
Zhao C, Teng L.
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[Finite element analyses of retention of removable partial denture circumferential clasps manufactured by selective laser melting]. [PDF]
Ma KN +5 more
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[Research progress on medical devices of polyhydroxyalkanoate in orthopedics]. [PDF]
Wei D, Tan Y.
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Impacted molar upright with self-made helical spring. [PDF]
Xu YZ, Li ZH.
europepmc +1 more source
[Occurrence pattern of musculoskeletal disorders and its influencing factors among manufacturing workers]. [PDF]
Wang FJ +8 more
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