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.
根据预应力简支钢箱梁的受力特性，考虑预应力索与钢箱梁的相互作用，建立了有限元计算模型，有限元计算值与实测值吻合较好。
According to the mechanical character of simply supported steel box girder with prestressed tendons, and considering the interaction of tendons and girder, the finite element model is established.
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.
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.
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