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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
Physical Properties and Microstructure of Concrete with Waste Basalt Powder Addition.
TL;DR: The results showed that the production of concretes that feature a strong internal structure with decreased water transport behavior is possible with waste basalt usage, and when waste Basalt powder is used as a partial sand replacement, the compressive strength of concrets can be increased up to 25%.
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Electrochemical-Mechanistic Model for Concrete Cover Cracking Due to Corrosion Initiated by Chloride Diffusion
TL;DR: In this article, a holistic electrochemical-mechanistic model of the corrosion of steel reinforcing bars inside concrete that accounts for the diffusion of oxygen and moisture into the concrete and rust layers, the densification of rust due to confinement, the flow of rust into concrete pores, the development of internal pressure due to rust buildup, and cracking of the concrete cover is presented.
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Influence of Calcined Clay Pozzolana on Strength Characteristics of Portland Cement Concrete
TL;DR: In this paper, the results of a study on concrete mixes containing two types of calcined clay pozzolanas obtained from Mankranso and Tanoso for structural application were presented.
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Assessment of mechanical properties of high strength concrete (HSC) after exposure to high temperature
TL;DR: In this article, the effect of high temperature conditions on the properties of high-performance concrete and compare the effectiveness of the two methods designed to improve the high-temperature performance of the concrete: addition of polypropylene fibres and entrainment of air.
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A Review on the Carbonation and Chloride Penetration Resistance of Structural Lightweight Aggregate Concrete.
José Alexandre Bogas,Sofia Real +1 more
TL;DR: Although the knowledge of SLWAC’s durability behaviour is still limited, investigation works performed either in laboratory or in real environments indicate thatSLWAC can have similar to better durability performance than normal weight concrete, especially when the same strength level is considered.