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中文摘要：
讨论圆弧曲线箱梁桥的偏心距及其对支座反力的影响.结果表明：内支座采用单支座布置的曲线连续箱梁桥可以通过改变支座的偏心距来调整支座的反力差.不同的支座布置形式合适的偏心距不同,并随着圆心角的增大而增大,边跨端部布置固定支座时偏心距较大,中间内支座采用墩梁固结时偏心距较小.
英文摘要：
This eccentricity of circular girder bridge and it s influence on bearing reaction are analysed in this paper. Results show that for the curved continuous girder bridge with single bearing at internal support,bearing reaction variation can be adjusted by means of varying the bearing eccentricity.The suitable eccentricity is different with various bearing arrangements.The bearing eccentricity is increasing with circular angle,and the eccentricity is bigger when fixed bearing sets at the end section,and the eccentricity is less when internal pier and girder are fixed.
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