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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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Journal ArticleDOI
Use of laser interferometry for measuring concrete substrate roughness in patch repairs
TL;DR: In this paper, the effect of two removal methods, electric chipping hammers and Remote Robotic Hydro-erosion (RRH), on the surface roughness is investigated through the use of a prototype non-contact (optical) laser interferometry measuring device.
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The Combined Effect of the Initial Cure and the Type of Cement on the Natural Carbonation, the Portlandite Content, and Nonevaporable Water in Blended Cement
TL;DR: In this article, the physical and chemical phenomena involved in hydrated mix (clinker + addition) during the natural carbonation process, to characterize cement with supplementary cementitious materials (SCMs) under various curing environment.
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A Practical Approach for the Estimation of Strength and Resilient Properties of Cementitious Materials
TL;DR: The relationships between the IDT, UCS, and resilient modulus at small-strain and intermediate strain levels were developed and can serve as a valuable means for the estimation of the tensile and compressive strength of the CSM for pavement design.
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Properties of metakaolin-blended oil palm shell lightweight concrete
TL;DR: In this paper, the effect of partial replacement of cement with metakaolin (MK) on the strength properties of oil palm shell (OPS) lightweight concrete was investigated, and it was found that the increase in the replacement level of MK up to 20% resulted in 49% increase in strength efficiency for the OPSC.
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Heat of hydration prediction for blended cements
TL;DR: In this paper, isothermal calorimetry measurements, based on statistical experimental design, were taken on pastes incorporating combinations of supplementary cementitious materials (SCMs) and chemical admixtures.