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对于中墩为独柱式墩、且墩顶上只设单个支座时的连续箱梁 ,只要再增加一个截面抗扭刚度修正系数Cθ,就可以应用修正偏压法的公式来计算内力增大系数。文中还通过算例 ,应用剪滞和畸变分析理论公式的计算予以验证
For a continuous box girder with a single column pier in the middle and a single bearing on the top of the pier, an additional formula of correction bias method can be used to calculate the increase of internal force as long as a section torsional stiffness correction coefficient Cθ is added coefficient. The paper also verifies the calculation by using the examples and the theoretical formulas of shear lag and distortion analysis