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提出了用反应谱法计算拼装式双柱桥墩接头地震力的计算公式．通过与极限承载力的比较，给出了拼装式桥墩梁—柱接头的抗震验算公式
The calculation formula of the seismic force of the double column piers pieced together by response spectrum method is proposed. Through the comparison with the ultimate bearing capacity, the formula of seismic calculation of the bridge piers