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http://dx.doi.org/10.7843/kgs.2020.36.12.45

Fundamental Study on Earthwork Quality Control Based on Intelligent Compaction Technology  

Baek, Sung-Ha (Korea Institute of Civil Engr. and Building Tech.)
Kim, Jin-Young (Korea Institute of Civil Engr. and Building Tech.)
Cho, Jin-Woo (Korea Institute of Civil Engr. and Building Tech.)
Kim, Namgyu (Korea Institute of Civil Engr. and Building Tech.)
Jeong, Yeong-Hoon (Korea Institute of Civil Engr. and Building Tech.)
Choi, Changho (Korea Institute of Civil Engr. and Building Tech.)
Publication Information
Journal of the Korean Geotechnical Society / v.36, no.12, 2020 , pp. 45-56 More about this Journal
Abstract
In this paper, intelligent compaction (IC) technology and the earthwork quality control specifications based on IC were analyzed, and the field study was conducted to investigate the relationship between the representative IC value CMV (Compaction Meter Value) and spot test results (plate bearing test and field density test). As the number of roller passes increased, both the CMV and spot test results increased. However, point-by-point comparison between CMV and spot test results yielded poor quality correlations; this is because the ununiform stiffness of the underlying layer and the moisture content of the lift layer affected the CMV and spot test results, respectively. Most international specifications related to IC requires knowledge of the IC values and their relationships with the soil properties obtained by the traditional spot tests. Therefore, for the successful implementation of intelligent compaction technology into earthwork construction practice, the number of roller passes as well as the lift thickness and the moisture content of the soil should be carefully considered.
Keywords
Compaction Meter Value (CMV) earthwork; Intelligent Compaction (IC); Quality control; Soil compaction;
Citations & Related Records
Times Cited By KSCI : 1  (Citation Analysis)
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