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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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Dissertation
Polyolefin fibre-reinforced concrete : from material behaviour to numerical and design considerations
TL;DR: In this paper, the authors investigated the use of a new advanced polymer (polyolefin-based) especially suitable in the form of fibres to be used in concrete for the construction of a wall.
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Drying Shrinkage Behaviour of Fibre Reinforced Concrete Incorporating Polyvinyl Alcohol Fibres and Fly Ash
TL;DR: In this paper, the authors assess the drying shrinkage behavior of polyvinyl alcohol fiber reinforced concrete (PVA-FRC) containing short-length (6 mm) and long-length uncoated monofilament PVA fibres at 0.125%, 0.25, 0.375, and 0.5% volumetric fractions.
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Investigation on compressive strength development and drying shrinkage of ambient cured powder-activated geopolymer concretes
TL;DR: A detailed study of compressive strength and drying shrinkage of different grades (40, 50, 65 and 80 MPa) of geopolymer and OPC concrete with different workability levels (normal-workable and superworkable) were performed in this paper.
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Composition and properties of oil shale ash concrete
TL;DR: In this paper, the use of OSA as the main binder for low strength concrete is discussed and the impact of hardening conditions on the strength development and soundness of various concrete mixes made with two main types of oil shale ash and their mixes were tested.
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Modeling the influence of limestone addition on cement hydration
TL;DR: In this article, the influence of using Portland limestone cement “PLC” on cement hydration by characterization of its microstructure development has been addressed by using the μic model to enable the modeling of microstructural evolution of cementitious materials.