旋转底座
Also the three bending moment equivalent equation of multispan multidiameter beam and its equivalent equation of deflection curve are reasoned out, according to the relationship among deflection of simple beam, relative deflection and rotating angle of the cross area of support base.
其次利用简支梁挠度,相对挠度及支座截面转角的关系,推导并建立阶梯连续梁的三弯矩等效方程及其挠曲线等效方程。
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