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提出了在空间受力状态中，不知道弯曲主轴的情况下钢管截面弯矩和轴力测定的电测方法，并在梁板结构钢管承重支架中得到应用，证实了该方法的可靠性．
A method for determining the bending moment and axial force of the steel pipe under the condition of the bending principal axis in the space stress state was proposed. The method was applied to the steel plate bearing bracket of the beam-plate structure, and the reliability of the method was verified.