所有现场拼接都用美国材料试验协会的A325六角形头螺栓。
All field splices were bolted using ASTM A325 hex head bolts.
此货架造型别致，外型美观，结构合理，无需螺栓连接即可拼接而成。
Of unique design and beautiful appearance and well structured, this rack could be connected without bolts.
介绍了基于性能的节点设计原则，研究了伸臂桁架与巨型柱连接节点、环带桁架螺栓拼接节点两类典型节点。
Secondly, the design of two typical joint of the mega frame, the joint of outrigger to super-column and the long bolt joint of the belt truss, were checked.
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