本文对有粘结预应力混凝土简支梁进行动力有限元程序设计。
The dynamic finite element program of bonded prestressed concrete beams was designed.
同时对预应力混凝土简支梁进行了破坏性加载试验和振动信号采集工作。
At the same time, destructiveness test by loading on simple supporting prestressing concrete beam and gathering work of the vibration signal were carried on.
本文针对体外预应力混凝土简支梁的受力、变形特点，提出了计算体外预应力结构中收缩徐变产生的预应力损失的基本方法。
The paper provided with a method to calculate the pre-stress loss caused with systolic stress in the outside of pre-stress force.
试验证明，利用体外预应力技术加固混凝土简支梁桥，可以明显提高承载力及延性。
The test results show that the externally prestress technology can be applied in strengthening concrete simple span beam to enhance its bearing capacity and ductility.
最后，分析了理论计算结果和实测数据之间产生差别的原因，对钢筋混凝土预应力简支梁动力性能的研究进行了展望。
Finally, reasons of deviation between theoretical calculation result and experimental data is discussed, the research of dynamic characteristic of prestressed concrete simple supported beams is hoped.
该线大量采用后张法预应力混凝土双线单箱简支箱梁。
A great amount of post tensioned pre-stressing concrete single box beam for double track (as called the box beam hereinafter) has been used on the line.
本文对体外预应力钢-混凝土简支组合梁的抗弯承载能力进行了静载全过程试验研究。
Experiments have been conducted on the ultimate flexural capacity in composite steel - concrete beams with external post - tensioning tendons.
用有限元法和能量变分法对预应力活性粉末混凝土简支箱梁的剪力滞效应进行研究。
The shear-lag effect on the prestressed RPC simply-supported box girder is studied by FEA method and energy variation method.
本文对体外预应力钢一混凝土简支组合梁的抗弯承载能力进行了静载全过程试验研究。
Experiments have been conducted on the ultimate flexural capacity in composite steel -concrete beams with external post - tensioning tendons.
本文对体外预应力钢一混凝土简支组合梁的抗弯承载能力进行了静载全过程试验研究。
Experiments have been conducted on the ultimate flexural capacity in composite steel -concrete beams with external post - tensioning tendons.
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