Spatial beam element is adopted to simulate large-span bridge with high-pier.
采用空间梁单元模拟高墩、大跨桥梁实际结构。
On the basis of structure reliability principles, this essay studies the reliability of prestressed-concrete rigid-frame bridge with high-pier and large-span during construction period.
本文依据结构可靠度理论，对高墩大跨预应力混凝土刚构桥的施工期桥墩可靠度进行研究。
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