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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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Bridge widening with composite steel-concrete girders:application and analysis of live load distribution
TL;DR: In this paper, a bridge widening technology using steel-concrete composite system was developed and is presented in this paper, the widened superstructure system consists of a newly built composite steelconcrete girder with concrete deck and steel diaphragms attached to the existing concrete girders.
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Development and performance verification of induced drainage method for leakage treatment in existing underground structures
Dong-Gyou Kim,Min-Jin Yim +1 more
TL;DR: In this paper, a drainage system consisting of drainage board, wire mesh, fixed nail, and mortar with mineral was proposed to drain the leakage of groundwater in the existing underground concrete structures.
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The The Influence of Oxide Content on the Properties of Fly Ash/Slag Geopolymer Mortars Activated with NaOH
Erion Luga,Klaudio Peqini +1 more
TL;DR: In this article, the influence of the main oxides on the behavior of heat cured fly ash/slag blend geopolymer mortars activated with sodium hydroxide (NaOH) was analyzed.
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The Effect of Water-to-Cement Ratio and Curing on Material Properties of Mortar Specimens in Stray Current Conditions
TL;DR: In this article, the effect of stray currents on the microstructural, mechanical and electrical properties of 28 days-cured cement-based materials was evaluated by correlating the performance of 28-day cured mortar with that of fresh (24-hure only) mortar specimens in identical environmental medium.
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Load capacity and chloride resistance of circular concrete columns with repair mortars
Sungnam Hong,Sun-Kyu Park +1 more
TL;DR: In this paper, an experimental investigation was conducted to evaluate the structural behavior and chloride penetration characteristic of reinforced concrete columns to which patch repair was applied, and the results showed that a total of...