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A Study on Effect of Geogrid Reinforced- Crushed stone Sub-base in Permeable Pavement System
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 Title & Authors
A Study on Effect of Geogrid Reinforced- Crushed stone Sub-base in Permeable Pavement System
Kwon, Hyeok-Min; Oh, Jeongho; Han, Shin-in;
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A rapid urbanization has increased the portion of paved layer that results in the change of water circulation system. This change leads to frequent events of flooding, drought, and urban heat island. To resolve these issues, permeable pavement system based on Low Impact Development (LID) concept is being applied to international urban areas. Therefore it is necessary to establish a rational design procedure for the permeable pavement system that reflects our environmental conditions. iDue to inherent characteristics of permeable pavement system, water infiltrates thorough the layers so it may reduce the bearing capacity of sub-layers. In this study, an effort was made to investigate the effectiveness of geogrid reinforced crushed stone subbase layer based on field experimental program along with a limited numerical analysis. It reveals that geogrid reinforced sections improve the bearing capacity by close to 20%. In addition, a light weight deflectomenter (LWDT) appears to be promising for the compaction quality control of crushed stone subbase layer in order to construct qualified permeable pavement systems.
LID;permeable pavement;crushed stone sub-base;geogrid;LWDT;bearing capacity;
 Cited by
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