Natural Hazards and Earth System Sciences
Natural Hazards and Earth System Sciences
NHESS
Articles | Volume 20, issue 12
Articles | Volume 20, issue 12
https://doi.org/10.5194/nhess-20-3343-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
https://doi.org/10.5194/nhess-20-3343-2020
© Author(s) 2020. This work is distributed under
the Creative Commons Attribution 4.0 License.
Articles | Volume 20, issue 12
Research article
 | 
10 Dec 2020
Research article |  | 10 Dec 2020

Experimental assessment of the relationship between rainfall intensity and sinkholes caused by damaged sewer pipes

Tae-Young Kwak, Sang-Inn Woo, Choong-Ki Chung, and Joonyoung Kim

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Latest update: 27 Nov 2023
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Short summary
In this study, model tests were used to analyze the effects of rainfall intensity on the formation of the eroded zone and the occurrence of sinkholes due to groundwater infiltration through pipe defects. The model tests were conducted to simulate the actual site conditions considering the soil used around sewer pipe networks and the sewer pipe landfill standards. The groundwater level was applied to the model tests by setting three hydraulic heads based on heavy-rainfall characteristics.
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