【摘要】 对给定结构布局和材料的超静定桁架,首先提出了病态杆的判别方法,然后给出了单工况下结构可以实现满应力的充要条件,最后对给定的一组基位移,讨论了其结构可实现满应力的工况条件。更多还原

【Abstract】 This paper discusses the superstatic trusses that the structural layout and materal are given.First, some methods of the discretion of the sick members are given. Second, a necessary and sufficient condition of the fully stressed design of trusses with a single load is given. Finaly, the conditions of the loads to gain a fully stressed design are discussed for the given basic displacements.更多还原