影响面理论在网架内力不利组合中的应用

The Application of Influence Plane Theory to the Disadvantageous Combinations of Frame Internal Forces

通过影响面理论，绘制网架所有杆件内力影响面的方法，求解悬挂吊车荷载作用下该量值的影响量，根据这些影响量从而计算网架林件内力的不利组合．

With influence plane theory and the method for drawing internal forces of all bars in a frame, the influence quantity of the quantity value under a hanglng crane load is obtained. According to the influence quantity, the disadvantageous combinations of internal forces of bars in the frame is compted.