EXPERIMENTAL STUDY ON NEGATIVE COUPLING BEARING CHARACTERISTICS OF DOUBLE-CURVATURE COLD-FORMED SINGLE TEMPERED GLASS PLATES

ZHANG Xide; MENG Zhiqiu; XIONG Weijun; LI Bing; LONG Yanjie

doi:10.13204/j.gyjzG19121204

Volume 50 Issue 12

Mar. 2021

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ZHANG Xide, MENG Zhiqiu, XIONG Weijun, LI Bing, LONG Yanjie. EXPERIMENTAL STUDY ON NEGATIVE COUPLING BEARING CHARACTERISTICS OF DOUBLE-CURVATURE COLD-FORMED SINGLE TEMPERED GLASS PLATES[J]. INDUSTRIAL CONSTRUCTION, 2020, 50(12): 93-97,87. doi: 10.13204/j.gyjzG19121204

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EXPERIMENTAL STUDY ON NEGATIVE COUPLING BEARING CHARACTERISTICS OF DOUBLE-CURVATURE COLD-FORMED SINGLE TEMPERED GLASS PLATES

doi: 10.13204/j.gyjzG19121204

1. College of Civil Engineering and Architecture, Guangxi University, Nanning 530004, China;
2. Key Laboratory of Disaster Prevention and Structural Safety of Ministry of Education, Nanning 530004, China;
3. Guangxi Key Laboratory of Disaster Prevention and Structural Safety, Nanning 530004, China

Received Date: 2020-05-20
Available Online: 2021-03-31

Abstract

Abstract

In order to study the bearing capacity of double-curvature cold-formed single glass, cold forming and loading tests of 8 single tempered glass plates supported by two long frames were carried out, the distribution law of internal stress in glass plate during cold forming was analyzed, the bearing capacity of cold bending glass under the coupling effect of cold-formed stress and negative load was studied through the ultimate bearing capacity test. The test results showed that the maximum cold-formed principal tensile stress increased linearly with the increase of torsional curvature and appears in the corner area of short side which adjacent to the cold forming corner. The bearing capacity decreased linearly with the increase of distortion rate. And the position of maximum stress after the coupling changed with the increase of load. Conclusion could be made that in the design of cold-formed glass, the key of bearing capacity design was to find the maximum point of cold-formed stress and the maximum point of cold-formed coupling stress, the thickness of glass plate should be designed according to the coupling of cold forming rate and external load.
- cold bending glass,
- double-curvature cold bending,
- single glass plate,
- coupling of negative load,
- bearing capacity

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References

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