prestress tensioning

基本解释

By the construction of post tensioning prestress concrete bridge superstructure, the paper discussed some experience on preventing tensioning strand from break for reference.
通过后张法预应力砼桥梁上部结构的施工，总结预防张拉钢绞线断丝经验，以便指导施工生产。
This article explains a simplified method of calculation for loss of prestress of a tendon due to draw in of anchorage counting counter friction of a sheath in various tensioning situation.
在各种张拉力场合下，考虑管道反摩擦的预应力钢筋回缩损失的简化计算。
The cast of concrete at different end and the post-tensioning of continuous prestress make the negative bending moment section of the permanent support have different compressive stress reservation.
不同的连续端混凝土浇筑和后连续预应力张拉顺序会导致永久支座负弯矩区的压应力储备不同。