ASSESSMENT OF NATURAL SPONGE WATER STORAGE MONITORING SYSTEM BASED ON OPTICAL FIBER SENSING TECHNOLOGY

LI Zefeng; LI Meng; ZHANG Qian; LI Jiawei; ZHANG Yibo; LI Chengwei

doi:10.13205/j.hjgc.202201023

Volume 40 Issue 1

Mar. 2022

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Article Navigation > ENVIRONMENTAL ENGINEERING > 2022 > 40(1): 155-160

LI Zefeng, LI Meng, ZHANG Qian, LI Jiawei, ZHANG Yibo, LI Chengwei. ASSESSMENT OF NATURAL SPONGE WATER STORAGE MONITORING SYSTEM BASED ON OPTICAL FIBER SENSING TECHNOLOGY[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(1): 155-160. doi: 10.13205/j.hjgc.202201023

Citation:

LI Zefeng, LI Meng, ZHANG Qian, LI Jiawei, ZHANG Yibo, LI Chengwei. ASSESSMENT OF NATURAL SPONGE WATER STORAGE MONITORING SYSTEM BASED ON OPTICAL FIBER SENSING TECHNOLOGY[J]. ENVIRONMENTAL ENGINEERING , 2022, 40(1): 155-160. doi: 10.13205/j.hjgc.202201023

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ASSESSMENT OF NATURAL SPONGE WATER STORAGE MONITORING SYSTEM BASED ON OPTICAL FIBER SENSING TECHNOLOGY

doi: 10.13205/j.hjgc.202201023

Department of Civil Engineering, Wuhan University of Technology, Wuhan 430070, China

Received Date: 2021-01-18
Available Online: 2022-03-30
Publish Date: 2022-03-30

Abstract

Abstract

Scientific monitoring of sponge facilities operation can not only provide effective assessment for the construction of sponge city, but also give data feedback and guidance suggestion for sponge cities construction. However, there is no effective method to monitor and evaluate the operation efficiency of natural sponges. Taking the sponge pilot area of a large-scale high-speed railway transportation hub in western Hubei as an example, a monitoring system of natural sponge was established. The water penetration rate monitored by the optical fiber was the basic parameter to explore the functional relationship between it and the water content. Then a main water storage monitoring model of the system was established. Finally, under actual rainfall condition, the monitoring performance of the system in terms of runoff and water saturation early warning was evaluated. The evaluation results showed that the optical fiber sensor monitoring system was with high accuracy in runoff monitoring, and the runoff generation warning time was consistent with the actual one. The optical fiber sensing and monitoring system showed strong adaptability and excellent performance, which provided certain technical support for the automatic operation of sponge city facilities.
- fiber optic sensor,
- natural sponge,
- monitoring system,
- runoff control rate,
- water saturation warning

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References

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