Post-tensioned unbonded Prestressed concrete bar is suitable for cast-in –Place concrete of Long –span and Wide buildings, Large load Prefabricated beam and other construction.
后张无粘结预应力筋适用于大跨度、大开间建筑的现浇楼板、大荷载的预制梁及其他特种结构。
Based on the above research, design Suggestions taking the types of concrete, the tensioning measures of prestressed steel bar and the rate of reinforcement into account were given.
在此基础上，提出了考虑混凝土种类、预应力筋张拉方式以及钢筋配筋率的徐变变形设计建议。
The paper discusses the application of beret truss bearers in prestressed concrete process tie bar arch bridge construction after mechanical calculation.
通过力学验算，初步探讨组合式贝雷桁架片托架在预应力砼系杆拱桥梁施工中的应用。
The test included anchoring force of prestressed anchor cable, frictional coefficients, stress of concrete and steel bar and structure deformation.
测试内容包括预应力锚索锚固力、摩阻系数、混凝土和钢筋应力以及结构变形。
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.
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.
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。
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