DataVXRoad Materials and Pavement DesignPaper
journal article·2023-06-03

Cement – natural rubber latex stabilised recycled concrete aggregate as a pavement base material

Duong Vinh Nhieu, Menglim Hoy, Suksun Horpibulsuk, Karn Karntatam, Arul Arulrajah, Jitwadee Horpibulsuk

Road Materials and Pavement Design· Volume 24· Issue 6
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Source abstract

Abstract

This research investigated the influence of natural rubber latex (NRL) on the performance of cement stabilised recycled concrete aggregate (RCA) as a pavement base material. The influence factors studied included different cement at contents and dry rubber to cement (r/c) ratios. The NRL replacement enhanced the unconfined compressive strength (UCS) and indirect tensile strength (ITS) of cement stabilised RCA. The highest UCS and ITS of cement-NRL stabilised RCA were found at the optimum r/c ratios. Beyond these optimum r/c ratios, the UCS and ITC values decreased although all UCS values were still greater than the minimum requirement for base material. Microstructural analyses indicated the detected cement hydration products and NRL films, which NRL films were found to improve the adhesion and interparticle bonds of RCA particles. However, the excessive NRL additive retarded the cement hydration, whereby the UCS and ITS development was low when the r/c was greater than the optimum value.
Source: openalex_inverted_index · Quality: baseline

Research context

OpenAlex topics: Innovative concrete reinforcement materials · Recycled Aggregate Concrete Performance · Concrete and Cement Materials Research

SciVX discovery tags are terminology-based. OpenAlex topics are source-provided classifications.

Affiliations

School of Civil Engineering, Suranaree University of Technology, Nakhon Ratchasima, Thailand

School of Civil Engineering, Center of Excellence in Innovation for Sustainable Infrastructure Development, Suranaree University of Technology, Nakhon Ratchasima, Thailand

Undergraduate Program in Civil and Infrastructure Engineering, Suranaree University of Technology, Nakhon Ratchasima, Thailand

The Royal Society of Thailand, Bangkok, Thailand

Center of Excellence in Innovation for Sustainable Infrastructure Development, Suranaree University of Technology, Nakhon Ratchasima, Thailand

Department of Civil and Construction Engineering, Swinburne University of Technology, Melbourne, Australia

School of Internal Medicine, Center of Excellence in Innovation for Sustainable Infrastructure Development, Nakhon Ratchasima, Thailand

Funding

National Science and Technology Development Agency · Suranaree University of Technology

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