Cylindrical Bidirectional Strain Sensors Based on Fiber Bragg Grating.

Xiaofei Liu, Hui Xie, Haotian Meng, Siqing Zhang, Zifeng Meng

Abstract read

In one paragraph

Article in Materials (Basel, Switzerland), 2022. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.

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1 · What the graph read from it

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Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

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5 · Who and what money

Authors and funding

5 authors.

Xiaofei LiuSchool of Safety Engineering, China University of Mining and Technology, Xuzhou 221116, China.ORCID 0000-0003-1733-4712

Hui XieSchool of Safety Engineering, China University of Mining and Technology, Xuzhou 221116, China.ORCID 0000-0002-0020-3794

Haotian MengLogistics Engineering College, Shanghai Maritime University, Shanghai 201306, China.

Siqing ZhangSchool of Safety Engineering, China University of Mining and Technology, Xuzhou 221116, China.

Zifeng MengSchool of Safety Engineering, China University of Mining and Technology, Xuzhou 221116, China.

Funding

National Natural Science Foundation of China 52174218 and 51774280

6 · The paper itself

Abstract

To realize continuous real-time monitoring of the large-scale internal strain field of coal and rock mass, a bidirectional strain sensor based on FBGs encapsulated using a hollow cylindrical steel tube was designed. The sensor's structural parameters were optimized through unidirectional loading, and the strain change laws of the sensor were analyzed under unidirectional and bidirectional loading conditions, in which the stress-strain fitting curves of the sensor and the relationships of the strain in the vertical and horizontal directions were obtained under different lateral pressure loading conditions. A similar theoretical model was established to verify the accuracy of the linear relationship between the surrounding rock stress and the strain measured by the sensor system.

Indexed as

bidirectional strainfiber Bragg grating sensorstress model of the supported surrounding rockstress–strain relationship

Identifiers

PMID35955330

DOI10.3390/ma15155399

PMCPMC9369659

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Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.