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Properties Of Concrete
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Citations
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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.
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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.
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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.
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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.
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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.
References
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Drying shrinkage of alkali-activated slag and fly ash concrete; A comparative study with ordinary Portland cement concrete
Zhenming Li,Jiahua Liu,Guang Ye +2 more
TL;DR: In this article, the authors investigated the drying shrinkage and the shrinkage-induced stress of fly ash concrete (AC) in comparison with ordinary Portland cement concrete (OC) and found that the non-elastic deformability of AC reduced the risk of thorough cracking, but at the expense of local microcracks.
A Study of Retarding Effects on Cement and Tricalcium Silicate Hydration induced by Superplasticizers
TL;DR: In this paper, the authors present an untersuchungen of the Portlandzementhydratation in order to understand the effect of fliesmittel-tricalciumsilikat on the Festigkeitsentwicklung.
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Influence of Chemical Admixtures on Fresh and Hardened Properties of Prolonged Mixed Concrete
Tarek Uddin Mohammed,Tanvir Ahmed,Shibly Mostafiz Apurbo,Tahir Absar Mallick,Farhan Shahriar,Abdul Munim,Mohammad Abdul Awal +6 more
TL;DR: In this article, the effects of different chemical admixtures on fresh and hardened properties of prolonged mixed concrete and their cost-effectiveness were investigated and the influence of sand to aggregate volume ratio, cement content, and use of chilled mixing water on the properties of concrete was studied as well.
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High-performance self-compacting concrete with recycled aggregates from the precast industry: durability assessment
TL;DR: In this article, the feasibility of producing high-performance self-compacting concrete with a less environmental impact, by replacing natural aggregates (NA) with fine and coarse recycled aggregates resulting from the precast industry, was evaluated.
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Exploratory Study of Rubber Seed Shell as Partial Coarse Aggregate Replacement in Concrete
TL;DR: In this article, the authors investigated the possibility of integrating crushed rubber seed shell as partial coarse aggregate replacement material in concrete making and found that around 10% of the mixture is suitable for the application in concrete work.