钢筋切断时的长度称为下料长度。 对钢筋下料长度的计算,多数教材和手册采用下式 下料长度=外包尺寸-量度差+端部弯钩增值 具体分为: 直线钢筋下料长度=构件长度-保护层厚度+钢筋弯钩增加长度+钢筋搭接长度 弯起钢筋下料长度=直段长度+斜段长度-量度差值(弯曲调整值)+弯钩增加长度+钢筋搭接长度 箍筋下料长度=直段长度+弯钩增加长度-量度差值(箍筋调整值)
钢筋下料长度计算是钢筋配料计算的关键。
It is the key of making up material of reinforcement to calculate length of reinforcement before being incised.
本文用悬链线单元模拟主缆,通过选代计算了主缆的线形及下料长度。
In this paper, the curve and fabrication length of the main cable which is modelled through catenary elements are calculated with the iterative method.
根据结构的初始状态及其计算模型,即可确定零状态梁的加工位形以及索和杆的下料长度。
According to the initial state stress and the finite element model, the fabrication length of the cables, bars and beams at zero state can be determined.
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