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在网壳中施加预应力 ,可有效地调节各杆件及球节点内力 ,减小结构变形 ,同时可平衡网壳在支座处产生的水平推力。结合一工程实践 ,介绍了预应力筋在网壳中的布置形式及相关的预应力设计施工技术
Prestressing is applied in the reticulated shell, which can effectively adjust the internal force of each rod and ball joint, reduce the structural deformation, and balance the horizontal thrust generated by the reticulated shell at the support. Combined with a project practice, this paper introduces the layout of prestressing tendons in reticulated shells and related prestressed design and construction techniques