It was an emphasis and difficulty for a self - anchored suspension bridge to control the cable shape, internal force and cracking of concrete stiffening girder.

混凝土加劲梁的线形、内力和梁体裂缝控制是自锚式悬索桥施工控制的重点和难点。

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Based on the elastic concept this paper proposes the chart analysis method for estimation of seismic response of the selfanchored suspension cable bridge with steel box stiffening girder.

按弹性力学理论导得了体外预应力钢箱梁桥的变形分析方法 ，建立了简支索梁的基本概念及假设和基本平衡方程 ，采用伽辽金能量原理得到了平衡方程的解答。

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