【摘要】 为使现有框架梁内力计算结果更加符合工程实际，采用理论计算及现场试验2种方法分析框架梁内力分布规律，考虑框架梁材料的非单一性给出了一种新的计算方法，引入实测弯矩计算方法对现场试验数据进行整理，并将试验结果与理论结果进行对比。结果表明：理论结果与试验结果所得框架梁弯矩的分布趋势基本一致；采用换算截面法求解梁的截面惯性矩，所得结果可以提升框架梁的抗弯能力，进而减小框架梁截面配筋率；锚固力是影响框架梁内力的一个重要因素，锚固力越大框架梁的弯矩越大。更多还原

【Abstract】 In order to make the calculation result of internal force of the existing frame beam more consistent with the engineering practice, two methods of theoretical calculation and field test are used to analyze the internal force distribution law of the frame beam.Considering the non-uniformity of frame beam material, a new calculation method is given, and the measured bending moment calculation method is introduced to organize the field test data, and the test results are compared with the theoretical results. The results show that the theoretical results of the distribution trend of the frame beam moment are consistent with the test results.The transformed section method is used to solve the inertia moment of the beam section, and the obtained results can improve the bending resistance of the frame beam and reduce the reinforcement ratio.The anchoring force is an important influencing factor of the internal force of the frame beam. The greater the anchorage force, the greater the bending moment of the frame beam.更多还原