拉萨市文成公主实景演出剧场管桁架雨棚的线性时程分析
发布时间：2019-05-21 13:58
【摘要】：以8度区(0.2g)某悬挑28 m的三角形管桁架雨棚为研究对象。输入调整后的地震波,分别按双向水平地震作用和三向地震作用这两种工况,对三角形管桁架雨棚进行线性时程分析。做出这两种工况作用下有代表性的节点位移曲线和杆件轴力、弯矩时程曲线并进行对比分析。结果表明,线性时程分析不宜忽略竖向地震分量;同时,在对三角形管桁架雨棚进行三向地震波输入时,其加速度最大值宜考虑1∶0.85∶0.65和0.85∶1∶0.65两种情况。
[Abstract]:In this paper, a triangular pipe truss rain shed with a suspension of 28 m in the 8 degree area (0.2 g) is taken as the research object. According to the two working conditions of bidirectional horizontal seismic action and triaxial seismic action, the linear time history analysis of triangular pipe truss rainshed is carried out by inputting the adjusted seismic wave. The representative displacement curves of joints, axial force and bending moment time history curves of members under these two working conditions are made and compared and analyzed. The results show that the vertical seismic component should not be ignored in linear time history analysis. At the same time, when the three-way seismic wave input is carried out in the triangular pipe truss rain shed, the maximum acceleration should be considered in the case of 1 鈮，
本文编号：2482141
[Abstract]:In this paper, a triangular pipe truss rain shed with a suspension of 28 m in the 8 degree area (0.2 g) is taken as the research object. According to the two working conditions of bidirectional horizontal seismic action and triaxial seismic action, the linear time history analysis of triangular pipe truss rainshed is carried out by inputting the adjusted seismic wave. The representative displacement curves of joints, axial force and bending moment time history curves of members under these two working conditions are made and compared and analyzed. The results show that the vertical seismic component should not be ignored in linear time history analysis. At the same time, when the three-way seismic wave input is carried out in the triangular pipe truss rain shed, the maximum acceleration should be considered in the case of 1 鈮，
本文编号：2482141
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