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Journal of Intelligent Construction 2024, 2(1): 9180034 https://doi.org/10.26599/JIC.2023.9180034
Research Article | Open Access | Issue | Published: 21 February 2024

Yielding performance of an intelligent terminal structure for cable bolts

Show Author's Information Huan Suna,b( ),  Hao Liua,  Chunyu Youc,  Zhenni Yea,b,  Qijian Longa
School of Civil Engineering and Architecture, Hainan University, Haikou 570228, China
Collaborative Innovation Center of Ecological Civilization, Hainan University, Haikou 570228, China
CCCC-SHEC Dong Meng Engineering Co., Ltd., Xi’an 710119, China
Keywords:
structure, cable bolt, intelligent terminal, memory tooth, yielding ring, yielding performance
Cite this article:
Sun H, Liu H, You C, et al. Yielding performance of an intelligent terminal structure for cable bolts. Journal of Intelligent Construction, 2024, 2(1): 9180034. https://doi.org/10.26599/JIC.2023.9180034
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Abstract Full text About this article

Deformable support systems are a new support technology for preventing geo-hazards such as large deformations of engineering rock masses, rock bursts, and roof falling. An intelligent terminal structure (ITS) is a device that consists of a memory tooth and a yield ring. It is assembled at the end of a traditional cable bolt and has the dual functions of adapting to the large deformation of rock masses and sensing the deformation of surrounding rock masses. This study focuses on adapting support systems to the deformation of rock masses dilation of tunnels and other underground engineering projects and monitoring the support systems. The design principle of the ITS of a cable bolt and the technical method for the perception of the deformation of a rock mass are proposed. The results determined that the CB-T6.0-R4.5 design parameters of the ITS of a cable bolt for a deformation support system of surrounding rock masses. This is beneficial for accurately recording the stress and deformation behavior of rock masses through the deformation of the ITS of a cable bolt. Therefore, the cable bolt with an ITS has important value for applications in deformable support technology and safety monitoring of engineering rock mass reinforcement.


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About this article

Yielding performance of an intelligent terminal structure for cable bolts

Show Author's information Huan Suna,b( ), Hao Liua, Chunyu Youc, Zhenni Yea,b, Qijian Longa
School of Civil Engineering and Architecture, Hainan University, Haikou 570228, China
Collaborative Innovation Center of Ecological Civilization, Hainan University, Haikou 570228, China
CCCC-SHEC Dong Meng Engineering Co., Ltd., Xi’an 710119, China

Abstract

Deformable support systems are a new support technology for preventing geo-hazards such as large deformations of engineering rock masses, rock bursts, and roof falling. An intelligent terminal structure (ITS) is a device that consists of a memory tooth and a yield ring. It is assembled at the end of a traditional cable bolt and has the dual functions of adapting to the large deformation of rock masses and sensing the deformation of surrounding rock masses. This study focuses on adapting support systems to the deformation of rock masses dilation of tunnels and other underground engineering projects and monitoring the support systems. The design principle of the ITS of a cable bolt and the technical method for the perception of the deformation of a rock mass are proposed. The results determined that the CB-T6.0-R4.5 design parameters of the ITS of a cable bolt for a deformation support system of surrounding rock masses. This is beneficial for accurately recording the stress and deformation behavior of rock masses through the deformation of the ITS of a cable bolt. Therefore, the cable bolt with an ITS has important value for applications in deformable support technology and safety monitoring of engineering rock mass reinforcement.

Keywords: structure, cable bolt, intelligent terminal, memory tooth, yielding ring, yielding performance

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Publication history

Received: 09 November 2023
Revised: 20 November 2023
Accepted: 30 November 2023
Published: 21 February 2024
Issue date: March 2024

Copyright

© The Author(s) 2024. Published by Tsinghua University Press.

Acknowledgements

This study was supported by the National Natural Science Foundation of China (No. 52109120), the Hainan Province Science and Technology Special Fund (No. DYF2022SHFZ106), the Hainan Provincial Natural Science Foundation of China (Nos. 421RC487 and 521QN203), the Research Project of Collaborative Innovation Center of Hainan University of China (Nos. XTCX2022STC17 and XTCX2022STC18).

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