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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.
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.
References
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Journal ArticleDOI
Investigation of Cement-Emulsified Asphalt in Plastic Concrete
TL;DR: In this paper, the mechanical, mesodamage, and micro properties of cement-emulsified asphalt concrete have been investigated by computed tomography (CT), scanning electron microscopy (SEM), X-ray diffraction (XRD), and thermogravimetric analysis (TG) in this work.
Journal ArticleDOI
Optimization of the Fine to Coarse Aggregate Ratio for the Workability and Mechanical Properties of High Strength Steel Fiber Reinforced Concretes.
TL;DR: The experimentally obtained measurements of the mechanical properties of steel-fiber-reinforced concrete conformed reasonably well with the available existing prediction equations, and further enabled establishing predictive isoresponse interactive equations within the scope of the investigation domain.
Dissertation
Effect of core geometry and size on concrete compressive strength.
TL;DR: In this article, the authors discuss the effects of core preparation effects on strength in terms of aggregate type and size, compression testing conditions, and cure conditions, as well as their application in literature review.
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Economical and Structural Feasibility of Concrete Cellular and Solid Blocks in Kurdistan Region
TL;DR: In this article, a study is carried out to check the economical and structural feasibility of the concrete block production in the Kurdistan Region in Iraq, and the results of this research study were compared with the requirements of the Iraqi and European specifications.
Journal ArticleDOI
Physical and mechanical characterization of concrete exposed to elevated temperatures by using ultrasonic pulse velocity
Ricardo Alfredo Cruz Hernández,Luis Eduardo Zapata Orduz,Luz Amparo Quintero Ortiz,Julián Orlando Herrera Ortiz +3 more
TL;DR: In this paper, the influence of thermal loadings on the physical and mechanical properties of plain concrete after fire exposure was investigated, where cylindrical specimens were subjected to thermal loading at different temperatures inside a muffle furnace; while cubic specimens were exposed to direct flame following the ISO 834 standard curve, for both specimens' geometries the thermal loading was applied until it reached the selected temperature which was held for an hour.