Eighth International Conference on Case Histories in Geotechnical Engineering
Preliminary Results from a Continuous Compaction Control Data Set Recorded during Active Earthwork Construction
Publication: Geo-Congress 2019: Engineering Geology, Site Characterization, and Geophysics (GSP 311)
ABSTRACT
The Delaware Department of Transportation (DelDOT) has acquired a CCS900 compaction monitoring system that allows for collection of continuous compaction control (CCC) data. CCC equipment allows contractors to collect near continuous compaction effort data during the compaction of soils. This is advantageous to the earthwork QC/QA process, as CCC data can be collected over nearly 100% of the evaluation area relative to traditional in place “spot” testing, which typically results in less than 1% of the evaluation area being tested. This study investigated the findings from preliminary data collection during active earthwork construction utilizing a compaction roller installed with a CCS900 system that collected two types of CCC readings, compactometer value (CMV), and machine drive power (MDP). Stiffness based in situ measurements, including those taken from a dynamic cone penetrometer (DCP) and light weight deflectometer (LWD), were also collected to investigate the effectiveness of compaction at various locations. Results from this study indicated that the CCC reading CMV was able to identify the presence of underlying soft soil, a discovery which was validated using the DCP and LWD. The results from this study provide valuable insight into the behavior and potential benefits of utilizing CCC monitoring equipment during active construction.
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ACKNOWLEDGEMENTS
This material is based upon work supported by the Mid-Atlantic Transportation Sustainability Transportation Center under Grant No. DTRT13-G-UTC33. The authors would also like to thank the Delaware Department of Transportation (especially James Pappas) and Greggo & Ferrara, Inc (especially Nicholas Ferrara III and R. David Charles) for facilitating access to the project site during the duration of this study.
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Information & Authors
Information
Published In
Geo-Congress 2019: Engineering Geology, Site Characterization, and Geophysics (GSP 311)
Pages: 133 - 142
Editors: Christopher L. Meehan, Ph.D., University of Delaware, Sanjeev Kumar, Ph.D., Southern Illinois University Carbondale, Miguel A. Pando, Ph.D., University of North Carolina Charlotte, and Joseph T. Coe, Ph.D., Temple University
ISBN (Online): 978-0-7844-8213-1
Copyright
© 2019 American Society of Civil Engineers.
History
Published online: Mar 21, 2019
ASCE Technical Topics:
- Business management
- Compacted soils
- Construction engineering
- Construction equipment
- Construction industry
- Construction management
- Construction sites
- Contracts and subcontracts
- Data collection
- Earthwork
- Engineering fundamentals
- Equipment and machinery
- Geomechanics
- Geotechnical engineering
- Methodology (by type)
- Practice and Profession
- Research methods (by type)
- Soil mechanics
- Soils (by type)
- Value engineering
Authors
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