.螺栓球节点由螺栓、钢球、销子（或螺钉）、套筒和锥头或封板等零件组成，适用于连接钢管杆件。
【Key words】 grid structure； suspending crane； fatigue； welded hollow sphere joints； bolts sphere joints；
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... 焊接空心球节点 welded hollow spherical node 螺栓球节点 bolted spherical node 抗滑移系数 slip coefficient of faying surface ...
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中国土木工程学报 关键词：螺栓球节点；半刚性节点；单层球面网壳；稳定性 [gap=1201]Keywords: bolt-ball joint; semi-rigid joint system; single layer reticulated dome; stability character
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The fatigue of gird structure with bolt-sphere joints is mainly the fatigue of High strength Bolt.
螺栓球节点网架的疲劳关键是高强螺栓的疲劳。
参考来源 - 螺栓球节点网架疲劳性能的试验研究Concerning the design of spherical shells, usually, shells with weld-joint system are considered as rigid-joint system and shells with bolt-joint system are considered as pin-joint shells, so cannot be used in single layer spherical shells.
网壳结构设计中,通常把螺栓球节点作为铰接节点处理,认为其不具有抗弯能力,因而不能应用在单层网壳中。
参考来源 - 半刚性节点单层球面网壳抗震性能研究·2,447,543篇论文数据，部分数据来源于NoteExpress
三角形螺栓球节点钢管塔是一种形式简洁、便于施工的钢塔。
Triangular steel pipe tower with bolted spherical joints is the kind of steel tower which is simple in style and convenient for construction.
近年来大直径高强度螺栓在网架结构螺栓球节点中的应用有增多的趋势。
There is a growing trend towards applications of large-diameter high-strength bolts in Mero joints of space trusses in recent years.
螺栓球节点网架的疲劳主要是节点的疲劳，而节点的疲劳关键是高强螺栓的疲劳。
Fatigue of grid structure with bolt-sphere joints mainly behaves fatigue in joints, the critical of which is fatigue of high strength bolt.
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