Based on current concrete design criterion, a torsion stiffness formula for composite beams from the cracking stage to the limit stage was proposed for design reference.
基于现行硅结构设计规范，提出了组合梁从开裂到极限阶段抗扭刚度的计算公式，可供组合梁受扭设计参考。
2
The traits of modes are also analyzed, and the weaker stiffness parts of the structure are found which provide reference for the aseismic analysis of the structure.
分析了结构的振型特征，找出了结构中刚度较弱的部位，为结构的抗震性能分析提供了参考。
3
A practical and simple method is thus proposed for calculating the transverse and longitudinal stiffness of a single-story workshop and this is for the reference of the structural designers.