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Effect of titanium ...
Effect of titanium dioxide as nanomaterials on mechanical and durability properties of rubberised concrete by applying RSM modelling and optimizations
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- Abdullah, Gamil M. S. (författare)
- Department of Civil Engineering, College of Engineering, Najran University, Najran, Saudi Arabia
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- Chohan, Imran Mir (författare)
- Department of Mechanical Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Malaysia
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- Ali, Mohsin (författare)
- Graduate School of Urban Innovation, Department of Civil Engineering, Yokohama National University, Kanagawa, Japan
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- Bheel, Naraindas (författare)
- Department of Civil and Environmental Engineering, Universiti Teknologi PETRONAS, Bandar Seri Iskandar, Malaysia
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- Ahmad, Mahmood (författare)
- Institute of Energy Infrastructure, Universiti Tenaga Nasional, Kajang, Malaysia; Department of Civil Engineering, University of Engineering and Technology Peshawar (Bannu Campus), Bannu, Pakistan
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- Najeh, Taoufik (författare)
- Luleå tekniska universitet,Drift, underhåll och akustik
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- Gamil, Yaser (författare)
- Department of Civil Engineering, School of Engineering, Monash University Malaysia, Jalan Lagoon Selatan, Selangor, Malaysia
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- Almujibah, Hamad R. (författare)
- Department of Civil Engineering, College of Engineering, Taif University, Taif, Saudi Arabia
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(creator_code:org_t)
- Frontiers Media SA, 2024
- 2024
- Engelska.
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Ingår i: Frontiers in Materials. - : Frontiers Media SA. - 2296-8016. ; 11
- Relaterad länk:
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https://doi.org/10.3...
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https://ltu.diva-por... (primary) (Raw object)
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https://urn.kb.se/re...
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https://doi.org/10.3...
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Abstract
Ämnesord
Stäng
- The use of rubber aggregates derived from discarded rubber tyres in concrete is a pioneering approach to replacing natural aggregate (NA) and promoting sustainable building practices. Recycled aggregate in concrete serves the dual purpose of alleviating the accumulation of discarded rubber tyres on the planet and providing a more sustainable alternative to decreasing natural aggregate. Due to fact that the crumb rubber (CR) decreases the strength when used in concrete, incorporating titanium dioxide (TiO2) as a nanomaterial to counteract the decrease in strength of crumb rubber concrete is a potential solution. Response Surface Methodology was developed to generate sixteen RUNs which contains different mix design by providing two input parameters like TiO2 at 1%, 1.5%, and 2% by cement weight and CR at 10%, 20%, and 30% as substitutions for volume of sand. These mixtures underwent testing for 28 days to evaluate their mechanical, deformation, and durability properties. Moreover, the compressive strength, tensile strength, flexural strength and elastic modulus were recorded by 51.40 MPa, 4.47 MPa, 5.91 MPa, and 40.15 GPa when 1.5% TiO2 and 10% CR were added in rubberised concrete after 28 days respectively. Furthermore, the incorporation of TiO2 led to reduced drying shrinkage and sorptivity in rubberized concrete, especially with increased TiO2 content. The study highlights that TiO2 inclusion refines pore size and densifies the interface between cement matrix and aggregate in hardened rubberized concrete. This transformative effect results in rubberized concrete demonstrating a commendable compressive strength comparable to normal concrete.
Ämnesord
- TEKNIK OCH TEKNOLOGIER -- Samhällsbyggnadsteknik -- Infrastrukturteknik (hsv//swe)
- ENGINEERING AND TECHNOLOGY -- Civil Engineering -- Infrastructure Engineering (hsv//eng)
Nyckelord
- concrete
- crumb rubber
- drying shrinkage
- mechanical and durability characteristics
- multi-objective RSM modelling
- titanium dioxide
- Operation and Maintenance Engineering
- Drift och underhållsteknik
Publikations- och innehållstyp
- ref (ämneskategori)
- art (ämneskategori)
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