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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
Longitudinal Deformations of a Concrete Bridge Deck Under Construction
TL;DR: In this paper, a structural model for concrete at early age was developed by distinguishing between the point of zero deformation and the points of zero stresses, where the deformation occurs after the dormant phase some 3-10 h after concreting when the concrete is transforming from liquid to a solid structure.
Journal Article
Suitability of commercially available sandcrete blocks in abuja municipal area for use as street side drain walling materials
TL;DR: In this article, the suitability of commercially available sandcrete blocks for use as side drain walling material can be enhanced if a mix proportion richer than the standard mix is used in block production.
Implications of Construction Materials on Energy Efficiency of Buildings in Tropical Regions
TL;DR: In this article, the impacts of common construction materials in Nigeria on the energy required for conducive thermal comfort within building envelopes were considered, and five types of building materials combination models of rammed earth wall with thatched roof, shipping container wall and roof, sand-crate block wall with aluminum roof, brick wall with concrete roof and glass wall with reinforced concrete roof were considered.
Dissertation
Chloride transport and chloride thresholdvalues-Studies on concretes and mortars with Portland cement and limestone blended cement
TL;DR: In this paper, the role of limestone filler as partial substitute to Portland cement on the two main decisive parameters for chloride induced reinforcement corrosion: chloride ingress rate and chloride threshold values was further clarified.
Influence of Supplymentary Cementitious Materials on Diffusion and Adsorptive Reaction of Chloride Ions in Concrete
TL;DR: In this article, the durability of Portland cement (PC) systems incorporating supplementary cementitious materials (SCM) such as silica fume, slag, low and high-calcium fly ash (FA) is investigated by using a modified model which is extended from a previously mathematical model.