On the basis of calculating with FFM and testing for the lattice-boom, the stress feature and variation at ture loading state have been analysed.

• 在对格构式臂架进行有限元计算和测试的基础上,分析了结构弦杆实际受载时应力的特点和变化规律,并讨论了计算假设的局限性以及相应采用的设计计算方法。