光纤光栅技术在玻璃幕墙边缘检测应用

doi:10.3969/j.issn.0255-8297.2020.06.002

Abstract

Abstract: Address to safety accidents problems of glass curtain wall such as glass drop induced by structural adhesive failure and aging or high wind pressure load, we put forward a kind of edge dynamic stress detection method based on fiber Bragg grating sensing technology. We construct a multimode coupling model between glass panel edge strain and structural glue for predicting the structure safety of glass curtain wall. By comparing and analyzing the simulation and experimental data of multimodal strain, it can be obtained that the quasi-distributed fiber Bragg grating can indicate the failure position of the structural glue, and evaluate and feedback the safety performance of the structural glue of glass curtain wall in advance. It is of practical value to timely replace insecure glass, reduce the falling accidence of glass curtain wall, reduce economic loss and improve the safety of glass curtain wall.

Key words: glass curtain wall strain field, multimode coupling, finite element analysis, fiber grating technology, safety assessment

CLC Number:

O438.1

WANG Yongxiang, HE Haitao, WU Jun, YANG Qijiang, XU Donghua. Application of Optical Fiber Grating Technology in Edge Detection of Glass Curtain Wall[J]. Journal of Applied Sciences, 2020, 38(6): 853-863.

References

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Application of Optical Fiber Grating Technology in Edge Detection of Glass Curtain Wall

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