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四、截面塑性影响系数的试验 β≤3的构件是不考虑弯曲影响的,为此在此种构件的试验中,可以求出各试件在其偏心荷载作用下的截面塑性影响系数。知强度公式为:
Fourth, the test of the coefficient of plasticity of the cross-section β ≤ 3 of the component is not considered the impact of the bending, for this purpose in the test of such components, can be obtained under the impact of each piece of eccentric load under the influence of the plastic effect of the coefficient. The formula for knowing strength is: