Impact Splitting Tensile Properties of Fly Ash–Recycled Aggregate Concrete
Publication: Journal of Materials in Civil Engineering
Volume 36, Issue 12
Abstract
This paper aims to study the impact splitting tensile properties of fly ash–recycled aggregate concrete (FARAC). The splitting tensile tests of FARAC with different replacement rates of recycled aggregate (0%, 30%, 50%, 100%) and different fly ash contents (0%, 10%, 20%, 30%) were carried out by using split Hopkinson pressure bar (SHPB) under different impact pressures (0.30 MPa, 0.35 MPa, 0.40 MPa, 0.45 MPa). The results show that the dynamic tensile strength of concrete with 30% recycled aggregate replacement rate and 10% fly ash content can be higher than that of natural concrete. It is also found that the increase of impact pressure value will enhance the dynamic tensile strength of FARAC. Eventually, the dynamic constitutive model based on ZWT constitutive model was established by considering the material damage, which can excellently forecast the dynamic stress-strain curve of FARAC and the dynamic mechanical properties.
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Data Availability Statement
Some or all of the data, models, or code that support the findings of this study are available from the corresponding authors on reasonable request.
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Information & Authors
Information
Published In
Journal of Materials in Civil Engineering
Volume 36 • Issue 12 • December 2024
Copyright
© 2024 American Society of Civil Engineers.
History
Received: Jul 2, 2023
Accepted: Apr 16, 2024
Published online: Sep 17, 2024
Published in print: Dec 1, 2024
Discussion open until: Feb 17, 2025
ASCE Technical Topics:
- Aggregates
- Ashes
- Concrete
- Continuum mechanics
- Dynamic models
- Dynamic pressure
- Dynamics (solid mechanics)
- Engineering fundamentals
- Engineering materials (by type)
- Engineering mechanics
- Environmental engineering
- Fly ash
- Infrastructure
- Material mechanics
- Material properties
- Materials engineering
- Models (by type)
- Pavements
- Pressure (type)
- Recycling
- Solid mechanics
- Strength of materials
- Tensile strength
- Transportation engineering
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