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从公路箱形截面梁抗扭塑性抵抗矩的计算公式出发,分析提高箱梁的抗扭截面强度的方法,并通过经济性比较,提出了增强箱梁截面抗剪扭强度的优化方法。
Based on the calculation formula of torsional plastic moment of resistance of box girder with box girder, the method to improve the torsional strength of box girder is analyzed, and an optimization method to enhance the torsional shear strength of box girder is proposed by economic comparison.