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后张拉整体成形穹顶的极限承载力试验研究 被引量:1

Experimental study on the ultimate load-bearing capacity of a new dome formed by means of post-tensioning
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摘要 本文研究的是一种新型张拉穹顶结构的承载力性能。通过后张拉闭合单弦杆平板网架中的预留缝隙,单弦杆平板网架可以张拉变形为具有很好外观形式的空间穹顶结构。成形后的单弦杆穹顶具有很好的整体刚度和承载力,可以充分发挥拱壳作用,平面外腹杆的使用延缓了穹顶整体失稳的发生,使其受力性能介于普通单层、双层穹顶网壳结构之间。 The ultimate load-bearing capacity of a new dome formed by means of post-tensioning is studied in the paper. The dome is transformed from a single-chorded plane space truss by tensioning the wire which lies in the bottom chord and has a unique shape. With the arc and shell action the new dome has a high global rigidity and load bearing capacity. The setting of the out-of-plan web members prevents an overall instabilify to develop. The behavior of the new dome is between that of single-layer dome and two-layer dome.
出处 《空间结构》 CSCD 2003年第3期28-32,27,共6页 Spatial Structures
基金 陕西省自然科学研究计划项目(99C05) 陕西省教育厅自然科学专题课题(00JK243) 教育部归国留学人员启动基金[1999]363号)
关键词 单弦杆平板网架 后张拉 穹顶 极限承载力 空间穹顶结构 single-chorded plane space truss post-tensioning dome ultimate load-bearing capacity
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参考文献6

  • 1Schmidt L C. Behaviour of a single-chorded plane space truss [J]. Civil Engineering Transactions, Institution of Engineers, Australia, 1983, CE 25.
  • 2Calladine C R. Buckminster Fuller's tensegrity structures and Clerk Maxwell's rule for the construction of stiff frames[J]. International Journal of Solids & Structures, 1978,14(3):161-172.
  • 3Tan T H and Schmidt L C. Ultimate load behaviour of a barrel vault space truss [J]. International Journal of Space Structures, 1986/87,2 (1):1-10.
  • 4Dehdashti G, and Schmidt L C. Dome-shaped space trusses formed by means of post-tensioning[J]. Journal of structural Engineering, ASCE, 1996,122 (10): 1240-1245.
  • 5Schmidt L C ,Li H and Chua M. Posttensioned and shaped hexagonal grid dome:test and analysis[J]. Journal of structural Engineering of Structural Engineering,ASCE,1998,124(6):696-703.
  • 6Kim Jin Woo,Hao Jiping and Lee Kang-Woon. New attachment device for post-tensioning of full size scale space truss [A]. The Eighth East Asia-Pacific Conference on Structural Engineering and Construction [C]. Nanyang Technological University, Singapore, 2001:1034-1039.

同被引文献8

  • 1Schmidt L C. Behaviour of a single-chorded plane space truss. Civ Eng Trans , I E Aust , CE 253,1983.
  • 2Tan T H, Schmidt L C. Ultimate load behaviour of a barrel vault space truss. Intl J Space structure, 1986/87,2 ( 1 ).
  • 3Schmidt L C, Li H, Chua M. Posttensioned and shaped hexagonal grid dome: test and analysis. J of Structural Engineering, ASCE,1998,124(6) :696-703.
  • 4Schmidt L C, Selby S. Domical space trusses and braced domes:shaping, ultimate strength and stiffness. Int J Space Structrues,1999,14(1) : 17-23.
  • 5Kim Jin Woo, Hao Jiping, Lee Kang-Woon. New attachment device for post-tensioning of full size .scale space truss. In: The Eighth East Asia-Pacific Conference on Structural Engineering and Construction 5-7 December 2001, Nanyang Technological Univesity, Singapore:1034-1039.
  • 6Calladine C R. Buckminster fuller's tensegrity structures and clerk maxwell's rule for the construction of stiff frames. Int J Solids Struct , 1978,14(3) : 161-172.
  • 7Li H, Schmidt L C. Ultimate load test and analysis of a retrofitted model steel dome. Int J Space Structures, 1998,13(2) :53-63.
  • 8Dehdashti G, Schmidt L C. Dome shaped space trusses formed by means of post-tensioning. J Struct Engrg , ASCE, 1996,122 ( 10 ).

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