Evaluating Mechanical Properties of Lightweight Cellular Concrete Backfill with Dynamic Cone Penetration Tests
Publication: Journal of Materials in Civil Engineering
Volume 36, Issue 11
Abstract
Dynamic cone penetrometer (DCP) has been commonly used for the evaluation and quality control/assurance of soils before, during, and after construction in civil engineering projects. This test equipment has been increasingly used for geotechnical engineering applications but not yet been used to evaluate lightweight cellular concrete (LCC) as a backfill material. This technical note reports laboratory and field DCP tests to evaluate the properties of LCC. To establish the relationship between DCP data and other material properties, unconfined compressive strength and California bearing ratio (CBR) tests were conducted on this material. The test results showed that the measured unconfined compressive strength and CBR of LCC increased as its density increased. The DCP indices (DCPI) for the LCC specimens at different densities were almost constant with the penetration depth. This technical note proposes the correlations between the DCPI and the unconfined compressive strength and CBR, which may be used for future applications.
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Data Availability Statement
Some or all data, models, or code that support the findings of this study are available from the corresponding author upon reasonable request.
Acknowledgments
This study was part of one research project financially supported by the CEMATRIX Corp.
Author contributions: Yu-Qiu Ye: Methodology, Writing—original draft, Investigation, Data curation, Validation. Jie Han: Conceptualization, Methodology, Supervision, Funding acquisition, Writing—review and editing. Brad Dolton: Methodology, Writing—review and editing. Hao Liu: Investigation, Data curation, Writing—review and editing. Robert L. Parsons: Supervision, Funding acquisition, Writing—review and editing.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 36 • Issue 11 • November 2024
Copyright
© 2024 American Society of Civil Engineers.
History
Received: Sep 12, 2023
Accepted: Apr 22, 2024
Published online: Sep 4, 2024
Published in print: Nov 1, 2024
Discussion open until: Feb 4, 2025
ASCE Technical Topics:
- Compressive strength
- Concrete
- Dynamic tests
- Engineering fundamentals
- Engineering materials (by type)
- Engineering mechanics
- Field tests
- Geotechnical engineering
- Geotechnical investigation
- Laboratory tests
- Lightweight concrete
- Material mechanics
- Material properties
- Material tests
- Materials engineering
- Penetration tests
- Strength of materials
- Tests (by type)
Authors
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