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中文摘要：
针对某预应力混凝土曲线匝道桥在通车运营前出现支座脱空的现象，建立空间有限元模型对其进行受力计算，通过分析计算结果对通车运营后的支座工作状态作出预测；通过对两种病害处理方案的有限元模型进行受力对比分析，验证了采用预应力钢拉杆进行支座脱空治理的可靠性。
英文摘要：
On the basis of the phenomenon of bearing hang in the prestressed concrete curved ramp bridge before opening the traffic, the finite element model is established to calculates the stress, and then the working state of bearing after opening the traffic is forecasted by analyzing the calculating results. According to the stress comparison of the two finite element models of two treatment scheme, the reliability of using the prestressed steel rod to deal with the bearing hang problem is verified.
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