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Journal of Intelligent Construction 2023, 1(1): 9180005 https://doi.org/10.26599/JIC.2023.9180005
Research Article | Open Access | Issue | Published: 14 April 2023

Cement grouting online monitoring and intelligent control for dam foundations

Show Author's Information Qixiang Fan1,2( ),  Xiaochun Jiang3,  Kexiang Wang1,  Canxin Huang1,  Guo Li2,  Pengcheng Wei4
China Three Gorges Corporation, Beijing 100038, China
China Huaneng Group Co., Ltd., Beijing 100031, China
Spring Energy Science and Technology Co. Ltd., Chengdu 610093, China
Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, China
Keywords:
real-time monitoring, dam foundation reinforcement, intelligent grouting control model, Baihetan Hydropower Station, intelligent slurry preparation
Cite this article:
Fan Q, Jiang X, Wang K, et al. Cement grouting online monitoring and intelligent control for dam foundations. Journal of Intelligent Construction, 2023, 1(1): 9180005. https://doi.org/10.26599/JIC.2023.9180005
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Abstract Full text About this article

This paper shares the experience of China Three Gorges Corporation in intelligent grouting management for dam foundation reinforcement. An intelligent grouting control system called intelligent grout control hub with intelligent management (iGHM) was introduced to realize one-button closed-loop intelligent control of cement grouting by its robust grouting control models, novel grouting facilities, and intelligent online monitoring approaches. In this system, the grouting period (t) is intelligently divided into three zones and five phases based on the product of grouting pressure (P) and unit grouting rate (Q), which provide quantitative criteria for the grouting process control. Innovative grouting facilities (e.g., intelligent non-grading slurry tank, intelligent pressure control system, and central hub for grouting data management) and an intelligent grouting management cloud platform are subsequently incorporated to monitor, analyze, and evaluate grouting data online for efficient digital grouting management. Its application of consolidation grouting and high-pressure curtain grouting at the Baihetan Hydropower Station demonstrates that this intelligent grouting system could improve grouting quality with promising applications in similar projects.


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About this article

Cement grouting online monitoring and intelligent control for dam foundations

Show Author's information Qixiang Fan1,2( ), Xiaochun Jiang3, Kexiang Wang1, Canxin Huang1, Guo Li2, Pengcheng Wei4
China Three Gorges Corporation, Beijing 100038, China
China Huaneng Group Co., Ltd., Beijing 100031, China
Spring Energy Science and Technology Co. Ltd., Chengdu 610093, China
Department of Hydraulic Engineering, Tsinghua University, Beijing 100084, China

Abstract

This paper shares the experience of China Three Gorges Corporation in intelligent grouting management for dam foundation reinforcement. An intelligent grouting control system called intelligent grout control hub with intelligent management (iGHM) was introduced to realize one-button closed-loop intelligent control of cement grouting by its robust grouting control models, novel grouting facilities, and intelligent online monitoring approaches. In this system, the grouting period (t) is intelligently divided into three zones and five phases based on the product of grouting pressure (P) and unit grouting rate (Q), which provide quantitative criteria for the grouting process control. Innovative grouting facilities (e.g., intelligent non-grading slurry tank, intelligent pressure control system, and central hub for grouting data management) and an intelligent grouting management cloud platform are subsequently incorporated to monitor, analyze, and evaluate grouting data online for efficient digital grouting management. Its application of consolidation grouting and high-pressure curtain grouting at the Baihetan Hydropower Station demonstrates that this intelligent grouting system could improve grouting quality with promising applications in similar projects.

Keywords: real-time monitoring, dam foundation reinforcement, intelligent grouting control model, Baihetan Hydropower Station, intelligent slurry preparation

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Publication history

Received: 16 January 2023
Revised: 24 February 2023
Accepted: 24 February 2023
Published: 14 April 2023
Issue date: March 2023

Copyright

© The Author(s) 2023. Published by Tsinghua University Press.

Acknowledgements

Acknowledgements

The support by China Three Gorges Corporation is acknowledged for providing access to its construction sites. This research was funded by the National Natural Science Foundation of China (No. 51979146) and the China Three Gorges Corporation Research Program (No. BHT/0774). The authors also thank Dr. Zuyu Chen (academician of CAS) from China Institute of Water Resources and Hydropower Research for his comments that greatly improve the quality this manuscript.

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