虚功法是常用的方法。
通常是按虚功法或板块极限平衡法推导极限荷载公式。
Usually virtual work or limit balanced plates are used to derive the ultimate load formulae for slabs.
文中利用连续二次积分法和虚功法很好地解决了这一问题。
And both the continuous double integral method and the virtual work method used in this paper can solve this problem well.
应用推荐