TENSIONING INFLUENCE COEFFICIENT OF CABLE DOME STRUCTURES

QIN Weihong; WANG Shuliang; HUI Zhuo; JIE Peng; LI Yunjie

doi:10.13204/j.gyjzG21042502

Volume 51 Issue 10

Feb. 2022

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Abstract

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Citation:

QIN Weihong, WANG Shuliang, HUI Zhuo, JIE Peng, LI Yunjie. TENSIONING INFLUENCE COEFFICIENT OF CABLE DOME STRUCTURES[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(10): 1-8. doi: 10.13204/j.gyjzG21042502

Citation:

QIN Weihong, WANG Shuliang, HUI Zhuo, JIE Peng, LI Yunjie. TENSIONING INFLUENCE COEFFICIENT OF CABLE DOME STRUCTURES[J]. INDUSTRIAL CONSTRUCTION, 2021, 51(10): 1-8. doi: 10.13204/j.gyjzG21042502

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TENSIONING INFLUENCE COEFFICIENT OF CABLE DOME STRUCTURES

doi: 10.13204/j.gyjzG21042502

1. Key Laboratory of Concrete and Prestressed Concrete Structures of Ministry of Education, Southeast University, Nanjing 211189, China;
2. National Prestress Engineering Research Center, Southeast University, Nanjing 211189, China

Received Date: 2021-04-25
Available Online: 2022-02-21

Abstract

Abstract

Carbon fiber materials have the advantages of light weight, high strength, excellent corrosion resistance and good durability. The carbon fiber reinforced polymen (CFRP) cable dome structure can achieve a long span than the steel cable dome structures do. The prestress level of a cable dome has significant influences on the structural forces and stiffness, so it is necessary to ensure the effective prestress of the members after the tensioning is completed. In this paper, the tensioning influence coefficient of cable dome structures for calculating the tensioning value of active cables was proposed. Based on deformation coordination conditions and the principle of virtual work, the expression of the tensioning influence coefficient of the cable dome structures was derived, and the accuracy of the tensioning influence coefficient was verified by the model test of CFRP cable dome and finite element analysis. In addition, the development law of prestress and vertical displacement of connections under three tensioning schemes were analyzed and discussed, and the selection principle of active cables was proposed.
- CFRP cable dome structures,
- tensioning influence coefficient,
- prestress level,
- tensioning schemes

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References(16)

References

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