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http://dx.doi.org/10.12814/jkgss.2022.21.4.001

Evaluation of Compaction Quality Control applied the Dynamic Cone Penetrometer Test based on IoT  

Jisun, Kim (Department of Geotechnical Engineering Research, Korea Institute of Civil Engineering and Building Technology)
Jinyoung, Kim (Department of Geotechnical Engineering Research, Korea Institute of Civil Engineering and Building Technology)
Namgyu, Kim (Research Strategic Planning Department, Strategic Tasks Division, Korea Institute of Civil Engineering and Building Technology)
Sungha, Baek (School of Civil and Environmental Engineering & Construction Engineering Research Institute, HanKyong National University)
Jinwoo, Cho (Department of Geotechnical Engineering Research, Korea Institute of Civil Engineering and Building Technology)
Publication Information
Journal of the Korean Geosynthetics Society / v.21, no.4, 2022 , pp. 1-12 More about this Journal
Abstract
Generally, the plate load test and the field density test are conducted for compaction quality control in earthwork, and then additional analysis. Recently developed that the DCPT (Dynamic Cone Penetration Test) equipment for smart compaction quality control its the system are able to get location and real-time information about worker history management. The IoT-based the DCPT system improved the time-cost in the field compared traditional test, and the functions recording and storage of the DPI (Dynamic Cone Penetration Index) were automated. This paper describes using these DCPT equipment on in-situ and compared to the standards of the DCPT, and the compaction trend had be confirmed with DPI as the field test data. As a result, the DPI of the final compaction decreased by 1.4 times compared to the initial compaction, confirming the increase in the compaction strength of the subgrade compaction layer 10 to 14 cm deep from the surface. A trend of increasing compaction strength was observed. This showed a tendency to increase the compaction strength of the target DPI proposed by MnDOT and the results of the existing plate load test, but there was a difference in the increase rate. Therefore, additional studies are needed on domestic compaction materials and laboratory conditions for target DPI and correlation studies with the plate load tests. If this is reflected, it is suggested that DCPT will be widely used as smart construction equipment in earthworks.
Keywords
DCPT; IoT based DCPT; Dynamic cone penetration test; Dynamic cone penetration index;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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