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通过对几座典型桥梁的实际情况进行分析,结合大跨、高墩连续刚构桥的病害特点,有针对性地在连续刚构桥主墩位置选择上,通过经验坡角法、应力分析等计算方法,合理确定连续刚构桥主墩位置,从而尽量采用较小跨径的连续刚构桥,避免出现大跨径连续刚构桥的病害。
By analyzing the actual conditions of several typical bridges and combining with the disease characteristics of continuous rigid frame bridges with large span and high pier, the paper chooses the position of main pier of continuous rigid frame bridge in a targeted way, and through empirical slope angle method and stress analysis Calculation method, reasonably determine the location of the main pier of continuous rigid frame bridge, so as to minimize the continuous rigid frame bridge with a smaller span, to avoid the short-span continuous rigid frame bridge disease.