Next Article in Journal
Advanced Progress Control of Infrastructure Construction Projects Using Terrestrial Laser Scanning Technology
Previous Article in Journal
Investigating Daylight in the Apartment Buildings in Melbourne, Australia
Previous Article in Special Issue
A Strategic Move for Long-Term Bridge Performance within a Game Theory Framework by a Data-Driven Co-Active Mechanism
Article

Investigation into Recycled Rubber Aggregates and Steel Wire Fiber for Use in Concrete Subjected to Impact Loading

College of Engineering, The University of Georgia, Athens, GA 30602, USA
*
Author to whom correspondence should be addressed.
Received: 12 August 2020 / Revised: 2 October 2020 / Accepted: 4 October 2020 / Published: 10 October 2020
(This article belongs to the Special Issue Innovate, Research, and Maintain Transportation Infrastructure)
This study investigated the potential use of tire derived rubber aggregates, particularly powdered rubber, and recycled steel-wire fibers in concrete subjected to impact loading. The fibers are approximately 0.4 mm in average diameter and 25 mm in length on average. There are two main portions to this study. The first phase of this study involved small-scale batching to investigate the fresh and hardened properties of concrete mixtures with powdered rubber up to 50% replacement of sand volume and recycled steel fibers up to 0.25% by mixture volume. Additional mixtures containing powdered rubber, crumb rubber, and tire chips were evaluated for their mechanical performance. Based on fresh concrete properties, compressive strength, modulus of rigidity, and impact resilience, mixtures were selected for a second investigative phase. In this phase, static and impact testing were performed on two sets of scaled beams. One beam set was produced with concrete containing 40% powdered rubber as a sand replacement and another beam set with a combination mixture incorporating rubber products of varying sizes (10% powdered rubber, 10% crumb rubber, and 10% tire chip) and 0.25% recycled steel fiber. Flexural performance improved initially with the inclusion of powdered rubber but decreased with increasing concentrations. Mixtures including recycled steel fibers at 0.25% outperformed industrial steel fiber mixtures in both flexural strength and impact resistance. For both the static and impact beams with the recycled powdered rubber and steel fibers in the combination demonstrated improved load distribution and load-carrying capacity, acting as a sufficient replacement for industrial steel fiber reinforcement. View Full-Text
Keywords: rubberized concrete; fiber reinforced concrete (FRC); tire chips; crumb rubber; powdered rubber; recycled steel fiber; impact resistance rubberized concrete; fiber reinforced concrete (FRC); tire chips; crumb rubber; powdered rubber; recycled steel fiber; impact resistance
Show Figures

Figure 1

MDPI and ACS Style

Tate, S.M.; Hamid, H.F.; Durham, S.A.; Chorzepa, M.G. Investigation into Recycled Rubber Aggregates and Steel Wire Fiber for Use in Concrete Subjected to Impact Loading. Infrastructures 2020, 5, 82. https://0-doi-org.brum.beds.ac.uk/10.3390/infrastructures5100082

AMA Style

Tate SM, Hamid HF, Durham SA, Chorzepa MG. Investigation into Recycled Rubber Aggregates and Steel Wire Fiber for Use in Concrete Subjected to Impact Loading. Infrastructures. 2020; 5(10):82. https://0-doi-org.brum.beds.ac.uk/10.3390/infrastructures5100082

Chicago/Turabian Style

Tate, Steven M., Hiwa F. Hamid, Stephan A. Durham, and Mi G. Chorzepa 2020. "Investigation into Recycled Rubber Aggregates and Steel Wire Fiber for Use in Concrete Subjected to Impact Loading" Infrastructures 5, no. 10: 82. https://0-doi-org.brum.beds.ac.uk/10.3390/infrastructures5100082

Find Other Styles
Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

Article Access Map by Country/Region

1
Back to TopTop