... stressless 无应力的 stressless deformation 无应力变形 stressometer 应力计 ...
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低应力无变形 LSND
动态控制低应力无变形 dynamically controlled low stress no-distortion ; DC-LSND
动态低应力无变形 dynamically controlled low stress non-deformation ; DC-LSND
分析无粘结预应力混凝土梁桥的主要困难，在于构件的截面强度和构件整体变形耦合。
The main difficulty in analysis of unbonded prestressed concrete beam bridge is the coupling between the sectional strength of member and the whole structural deformation of member.
无粘结筋的变形不符合平截面变形假定，因此由外荷载引起的应力计算比较复杂。
The computation of stress resulted by external load is relatively complex because the deformation of unbonded prestressed strand cannot comply with the plane section assumption.
由于无粘结预应力混凝土构件中预应力钢筋与周围混凝土之间可以相对滑动，导致了构件受力和变形不同于有粘结预应力混凝土构件。
Because the reinforcing bar and surroundings concrete can have opposite slip in unbonded prestressed concrete, Lead to stress and deflection differing from bonded prestressed concrete structure.
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