根据钢结构建筑的高度与体型的复杂程度计算方法分析钢结构建筑抗震发布时间：2015-9-1 9:54:53 浏览次数:663
1: the plane and vertical irregular special structure or structure system with special structure, such as huge steel structure, with a conversion layer or cantilever truss structure, appropriate USES check calculation, the time history analysis method for supplementary in the elastic stage: the internal force and deformation analysis, should be not less than two different mechanics model or a computer program to calculate analysis and comparison.
Height is not more than 40 m 2: steel structure and rules of plane and vertical, give priority to with shear deformation of building, can use the bottom shear method, the structure of the Yin, than the equivalent of 0.05.
3: steel structure building in areas where the wind load is larger when the wind load effect is greater than the earthquake effect, the displacement between layers and the structure bearing capacity are determined by the combination of wind load, do not consider seismic action calculation in the elastic stage, but the structure of the steel structure seismic requirements should strictly according to the relevant regulations of the building seismic code to design.
4: steel structure building height is not more than 60 m and plane and vertical comparison rules of construction, the bottom shear method may be adopted, but the seismic action should be determined according to some of the technical specification for steel structure of tall buildings, this is because at this time in the bottom shear method has considered the effect of partial high vibration mode, the structure of the damping ratio of 0.02.