By utilizing the properties of self-stress matrix, a technique for quickly distinguishing "necessary bars" is proposed.
利用自应力矩阵的特性，提出并证明了一种快速识别杆系结构中“必需杆”的方法。
2
This paper presents constraints removed method for self-stress mode problems of spoke structures based on equilibrium matrix theory.
本文在平衡矩阵理论的基础上，提出了针对车辐式结构的逐点去约束法。
3
The self-stress detection methods of concrete-filled steel tube structures are summed up as direct detection method, analysis of calculation method and indirect detection method.