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Properties Of Concrete
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Citations
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Journal ArticleDOI
Development of construction materials using nano-silica and aggregates recycled from construction and demolition waste.
TL;DR: Improvement in early days compressive strength is achieved with the incorporation of nano-silica in addition to the restoration of reduction inCompressive strength of recycled aggregate concrete mixes caused owing to the replacement of natural aggregates by recycled aggregates.
Dissertation
Restrained shrinkage behaviour of concrete with recycled materials
TL;DR: In this paper, a new restraining frame for restrained shrinkage test and a procedure to quantify the post-shrinkage mechanical properties (compressive and flexural strength and flexible modulus) of concrete are developed and assessed.
Journal ArticleDOI
Data on the pozzolanic activity in coconut shell ash (CSA) for use in sustainable construction.
Opeyemi Joshua,K.O. Olusola,Ayobami Busari,Ignatius Omuh,Ayodeji Ogunde,Lekan Amusan,Chidiogo J. Ezenduka +6 more
TL;DR: The data presented herein are results of the research summary of the investigation for pozzolanic activity in coconut shell ash (CSA) towards a sustainable construction.
Journal ArticleDOI
Recycled coal bottom ash as sustainable materials for cement replacement in cementitious Composites: A review
M. I. Al Biajawi,Rahimah Embong,Khairunisa Muthusamy,Norasyikin Bte Ismail,Ifeyinwa Ijeoma Obianyo +4 more
TL;DR: In this article , coal bottom ash (CBA) is one of the most important sources of industrial waste generated from thermal power plants, which leads to health hazards and environmental pollution, and it is recommended to reduce the leaching contaminants of CBA via pre-treatments methods before further utilized in concrete mixture.
Journal ArticleDOI
Influence of Metakaolin, Fly Ash and Nano Silica on Mechanical and Durability Properties of Concrete
TL;DR: In this article, the authors reviewed various transport mechanisms involved in ingress of deleterious material and incorporation of metakaolin (MK), fly ash (FA), silica fume (SF), nano silica (NS), which not only reduces the pores in concrete but improves the mechanical, durability and microstructure of concrete.
References
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Journal ArticleDOI
Properties of Concrete at Elevated Temperatures
TL;DR: In this paper, the thermal, mechanical, deformation, and spalling properties of concrete are discussed, and various properties that influence fire resistance performance, together with the role of these properties on fire resistance, are discussed.
Journal ArticleDOI
Development of an eco-friendly Ultra-High Performance Concrete (UHPC) with efficient cement and mineral admixtures uses
TL;DR: In this paper, a modified Andreasen & Andersen particle packing model is used to achieve a densely compacted cementitious matrix, and the results show that the influence of FA, ground granulated blast-furnace slag (GGBS) and limestone powder (LP) on the early hydration kinetics of UHPC is very similar during the initial five days, while the hydration rate of the blends with GGBS is mostly accelerated afterwards.
Journal ArticleDOI
Carbonation of cement paste : Understanding, challenges, and opportunities
Branko Šavija,Mladena Luković +1 more
TL;DR: In this article, a review summarises the state of the art regarding the understanding and consequences of carbonation of cement paste and summarises recent efforts regarding active use of carbonations as a tool for manipulating certain properties of cement based materials.
Journal ArticleDOI
High-performance fiber-reinforced concrete: a review
TL;DR: In this article, the authors present a comprehensive review of the mechanism of crack formation and propagation, compressive strength, modulus of elasticity, stress-strain behavior, tensile strength (TS), flexural strength, drying shrinkage, creep, electrical resistance, and chloride migration resistance of high performance fiber reinforced concrete.
Journal ArticleDOI
Investigation of coal bottom ash and fly ash in concrete as replacement for sand and cement
TL;DR: In this paper, the authors investigated the use of coal ash in concrete to replace sand with bottom ash waste and cement with fly ash and concluded that those experimental concrete mixes can be used in several structures (foundations, subbases, pavements, etc.) which will minimize the cost, energy and environmental problems to a great extent.