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作者:

Wang, Cheng (Wang, Cheng.) | Zhang, Yi-Gang (Zhang, Yi-Gang.)

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摘要:

In order to catch on the forming performance of the stretch forming lattice structure (SFL), upper chord cross section, web member, rigid arm, high-span ratio, diameter and stiffness of center ring are selected as the main parameters affecting the forming process of SFL, which basing on the structural property. Taking practically tensioning method into consideration, a study of parameter effect on the forming process is carried out as far as an SFL with a long span of 100 m is concerned by the theoretical simulating and analysis. The result shows that upper chord cross section, rigid arm number, high-span ratio are the most important factors affected the shaping process. The other parameters have little effect on forming process. It is favorable to the erection of SFL into its final configuration to choose reasonable stiffness of rigid arm. The structural properties about the forming process affected by the parameters are also given.

关键词:

Prestressing Stiffness Stretch Forming Structural properties

作者机构:

  • [ 1 ] [Wang, Cheng]Space Structures Research Center, Beijing University of Technology, Beijing 100124, China
  • [ 2 ] [Wang, Cheng]National Center for Quality Supervision and Test of Building Engineering, China Academy of Building Research, Beijing 100013, China
  • [ 3 ] [Zhang, Yi-Gang]National Center for Quality Supervision and Test of Building Engineering, China Academy of Building Research, Beijing 100013, China

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来源 :

Journal of Beijing University of Technology

ISSN: 0254-0037

年份: 2010

期: 7

卷: 36

页码: 948-956

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