The long - span prestressed concrete continuous rigid frame bridge adopts symmetrical cantilever pouring construction often.

大跨度预应力混凝土连续刚构桥常常采用对称悬臂浇筑法施工.

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Multi span non - abutment slant - legged rigid frame bridge is a multiply redundant structure with larger optimum potential.

多孔无桥台斜腿刚架桥是一种高次超静定结构,结构优化潜力较大.

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