| 钢管桁架螺旋楼梯的设计初探 |
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| 引用本文： | 曹伟良,巴桂江,刘维亚. 钢管桁架螺旋楼梯的设计初探[J]. 建筑结构, 2006, 0(9) |
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| 作者姓名： | 曹伟良 巴桂江 刘维亚 |
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| 作者单位： | 深圳华森建筑与工程设计顾问有限公司 518054 |
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| 摘 要： | 结合某工程钢结构螺旋楼梯的工程实例,简要介绍了利用空间管桁架进行螺旋楼梯的设计和计算方法。考虑了几何非线性,采用ANSYS和SAP2000进行了结构计算分析,提出了空间管桁架螺旋楼梯的设计要点。通过进行静力、地震分析和设计实践说明了采用空间管桁架的结构形式是可行的,结构具有很大的抗侧刚度和抗扭刚度。
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| 关 键 词： | 钢结构 螺旋楼梯 空间管桁架 几何非线性 |
Discussion on the Design of Steel Space Truss Structure of Spiral Stair |
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| Cao Weiliang,Ba Guijiang,Liu Weiya. Discussion on the Design of Steel Space Truss Structure of Spiral Stair[J]. Building Structure, 2006, 0(9) |
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| Authors: | Cao Weiliang Ba Guijiang Liu Weiya |
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| Abstract: | Based on the spiral-stair in a project,the design and calculation method for the space-truss applied in the spiral-stair are introduced.The finite element analysis is done with the software of ANSYS and SAP2000,considering the geometry nonlinearity.According to the analysis results,some keys of design for space-truss spiral-stair are put forward.It is indicated that the space-truss are feasible to be applied to the spiral truss and the space-truss structure has large flexural stiffness and torsional stiffness,by the static and seismic analysis and engineering practice. |
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| Keywords: | steel structure spiral stair space truss geometric nonlinearity |
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