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Properties Of Concrete
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Citations
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Dissertation
Investigation on the use of crumb rubber concrete (CRC) for rigid pavements
TL;DR: In this article, the authors investigated the effect of applying an innovative method of rubber treatment, named "water-soaking" on the strength of rubberised concrete using crumb rubber.
Proceedings ArticleDOI
Ultra rapid strength development in dry-mix shotcrete for ultra rapid support in challenging mining conditions
TL;DR: In this paper, 49 different mixes, including simple, binary and (mainly) ternary blends, were tested to evaluate the development of compressive strength and volumetric stability.
Journal ArticleDOI
Building up and Characterization of Calcined Marl-Based Geopolymeric Cement
TL;DR: In this article, the authors investigated the synthesis of calcined marl-based geopolymeric cement under different synthesis conditions including NaOH concentration, sodium silicate (SS)/sodium hydroxide (SH) mass ratios, solid (S)/liquid (L) mass ratio, calcination temperatures, curing temperatures, and aging times, and concluded that 750 °C, 12 M NaOH, 0.6 SS/SH, 2 S/L, 80 °C curing temperature, 12 h curing time, and 28 days aging time are the optimum synthesis conditions of the
Journal ArticleDOI
Rebar corrosion of a continuously reinforced concrete pavement being used for more than 30 years on the Jungbu Expressway, Korea
TL;DR: In this paper, the authors evaluated rebar corrosions in a continuously reinforced concrete pavement (CRCP) in use for more than 30 years through field surveys and concluded that the effect of rebar corrosion on long-term CRCP deterioration is insignificant.
Journal ArticleDOI
Modeling Heat and Moisture Transport in Steam-Cured Mortar: Application to Aashto Type Vi Beams.
Emilio Hernandez-Bautista,Emilio Hernandez-Bautista,Sadoth Sandoval-Torres,P. F. de J. Cano-Barrita,Dale P. Bentz +4 more
TL;DR: A model of cement hydration coupled to moisture and heat transport was used to simulate the process of steam curing of mortars with water-to-cement (w/c) ratios by mass and results indicate that the model correctly simulates the moisture distribution and degree of hydration in mortar specimens.
References
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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.