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Open AccessArticle

Reinforcement Effect of a Concrete Mat to Prevent Ground Collapses Due to Buried Pipe Damage

1
Incheon Disaster Prevention Research Center, Incheon National University, Incheon 22012, Korea
2
International Business Division, Korea Conformity Laboratories, Seoul 08503, Korea
3
Institute of Technology Research and Development, Korea Engineering & Construction, Seoul 05661, Korea
*
Authors to whom correspondence should be addressed.
Appl. Sci. 2020, 10(16), 5439; https://doi.org/10.3390/app10165439
Received: 4 June 2020 / Revised: 23 July 2020 / Accepted: 3 August 2020 / Published: 6 August 2020
(This article belongs to the Special Issue Advances in Geotechnical Engineering)
This study described a ground reinforcement effect of a concrete mat, in order to apply a concrete mat for ground subsidence restoration of an open cut. A concrete mat can prevent the expansion of a cavity and relaxation area underground due to buried pipe damage when the buried pipe is in use. An experimental study was conducted to analyze the stress distribution characteristics of an underground area by ground reinforcement of a concrete mat. In addition, a numerical analysis was performed to estimate the range of underground reinforcement of a concrete mat. As an experiment results, the maximum stress reduction ratio of the concrete mat in the underground was 28.5% to 30.9%, which means the reinforcement effect of the concrete mat, according to the installation depth of the concrete mat. The finite element analysis (FEA) results showed that the installation depth of the concrete mat differed in various scenarios, in order to secure the reinforcement effect of the concrete mat according to the load conditions (point and uniform load). Therefore, the reinforced depth of a concrete mat should be determined by the load type on the surface. View Full-Text
Keywords: concrete mat; ground reinforcement; ground subsidence; finite element analysis concrete mat; ground reinforcement; ground subsidence; finite element analysis
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MDPI and ACS Style

Park, J.; Chung, Y.; Hong, G. Reinforcement Effect of a Concrete Mat to Prevent Ground Collapses Due to Buried Pipe Damage. Appl. Sci. 2020, 10, 5439. https://doi.org/10.3390/app10165439

AMA Style

Park J, Chung Y, Hong G. Reinforcement Effect of a Concrete Mat to Prevent Ground Collapses Due to Buried Pipe Damage. Applied Sciences. 2020; 10(16):5439. https://doi.org/10.3390/app10165439

Chicago/Turabian Style

Park, Jeongjun; Chung, Yoonseok; Hong, Gigwon. 2020. "Reinforcement Effect of a Concrete Mat to Prevent Ground Collapses Due to Buried Pipe Damage" Appl. Sci. 10, no. 16: 5439. https://doi.org/10.3390/app10165439

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