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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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Failures of mainline railway sleepers and suggested remedies – Review of current practice
Wahid Ferdous,Allan Manalo +1 more
TL;DR: In this paper, the authors exhaustively reviewed the failure mechanisms of three commonly used railway sleepers, namely, timber, concrete, and steel, and suggested solutions to minimise these problems.
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Rheological behaviour of concrete made with fine recycled concrete aggregates – Influence of the superplasticizer
TL;DR: In this paper, the influence of two superplasticizers (SP) on the rheological behavior of concrete made with fine recycled concrete aggregates (FRCA) was evaluated.
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Effect of Polypropylene Fibre Addition on Properties of Geopolymers Made by 3D Printing for Digital Construction.
Behzad Nematollahi,Praful Vijay,Jay Sanjayan,Jay Sanjayan,Ali Nazari,Ming Xia,Venkatesh Naidu Nerella,Viktor Mechtcherine +7 more
TL;DR: The results indicate the possibility of printing fibre-reinforced geopolymers which meet all the necessary properties in both the fresh and hardened states.
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Applications of microwave energy in cement and concrete – A review
TL;DR: In this paper, a comprehensive review of the use of microwave energy to process cement and concrete materials, as well as a critical evaluation of currently utilized microwave heating mechanisms and high-performance microwave systems is provided.
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Effects of using recycled concrete aggregates on the shrinkage of high performance concrete
TL;DR: In this paper, the effects of RCA in the plastic, autogenous and drying shrinkage of HPC were investigated, and the results revealed that the shrinkage became higher as the quality of the RCA decreased and the replacement ratio increased.