钢筋混凝土简支梁 reinforced concrete simple-supported beam
预应力混凝土简支梁 PC simple supported beam
预应力混凝土简支梁桥 Prestressed concrete simply supported beam
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.
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.
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