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alessandra mendes fire resistance of slag blended cements
Alessandra MENDES Monash University (Australia),
Ground granulated blast furnace slag (GGBFS or “slag”) is a by product of the steel industry and is often used in combination with ordinary Portland cement (OPC) as a PDF An extensive experimental study has been carried out to analyse the post-heating characteristics of concrete subjected to high temperatures up to Find, read and cite all the research(PDF) Fire Resistance of Concretes with Blended
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Behaviour of slag blended cement pastes exposed to elevated
Standard RIS Vancouver Mendes, A., Sanjayan, J. G., & Collins, F. G. (2007). Behaviour of slag blended cement pastes exposed to elevated temperatures. In M. I. Russell, & P. A. The fire resistance of concrete has become a major design concern due to various high profile fire incidents such as the collapse of the Twin Towers (September 11), USA and Fire resistance of concrete made with Portland and slag blended
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Long-term progressive deterioration following fire exposure of
Mendes, Alessandra ; Sanjayan, Jay G ; Collins, Francis Gerard. / Long-term progressive deterioration following fire exposure of OPC versus slag blended cement pastes . In: In this paper, thirteen blended cements were evaluated: ternary, quaternary, and multi-admixture (i. e. OPC plus 4 SCMs) blends with clinker factor between 40% and 50%, composed of in addition to calcined clay Frontiers Environmental and Mechanical Evaluation of
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Alessandra Mendes Semantic Scholar
Effects of slag and cooling method on the progressive deterioration of concrete after exposure to elevated temperatures as in a fire eventOur results indicated that (1) the number and size of surface cracks as well as compressive strength decreased by the increasing slag content of cements due to Improved fire resistance by using slag cements SpringerLink
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[PDF] fire resistance of concrete made with portland and slag blended
Title: Fire Resistance Of Concrete Made With Portland And Slag Blended Cements Author: Alessandra Ferreira Bragança Mendes Format: PDF, ePub Pages : 404 Category : Languages : en. Get Book Disclaimer: This site does not store any files on its server. We only index and link to content provided by other sites.The fire resistance of concrete has become a major design concern due to various high profile fire incidents such as the collapse of the Twin Towers (September 11), USA and several tunnel fires around the world. Concrete although described as incombustible, undergoes physical and chemical transformations when exposed to elevated Fire resistance of concrete made with Portland and slag blended cements
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Fire resistance of concrete made with Portland and slag blended cements
The fire resistance of concrete has become a major design concern due to various high profile fire incidents such as the collapse of the Twin Towers (September 11), USA and several tunnel fires around the world. Concrete although described as incombustible, undergoes physical and chemical transformations when exposed to elevated Long-term progressive deterioration following fire exposure of OPC versus slag blended cement pastes. Alessandra Mendes, Jay G Sanjayan Mendes, Alessandra ; Sanjayan, Jay G ; Collins, Francis Gerard. / Long-term progressive deterioration following fire exposure of OPC versus slag blended cement pastes. In: Materials and Structures. 2009Long-term progressive deterioration following fire exposure of
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Understanding the effect of recycled concrete aggregate and
and slag in Portland cement or blended cement can generally keep the mechanical properties of concrete at a higher level after heating to a high temperature. Keywords Fire resistance, RecycledT1 Behaviour of slag blended cement pastes exposed to elevated temperatures. AU Mendes, Alessandra. AU Sanjayan, Jay G. AU Collins, Francis Gerard. PY 2007. Y1 2007. M3 Conference Paper. SN 9780653899136. SP 349. EP 356. BT Proceedings of the Int. Conf. Concrete Platform '07. A2 Russell, Mark I. A2 Basheer, P A MuhammedBehaviour of slag blended cement pastes exposed to elevated
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Heat resistance of portland cements SpringerLink
In my experiments, the resistance of portland cements of different composition and grinding fineness to fire (high temperature) were examined. For the test of the solidified cement paste, cement paste cubes of 30-mm edge length were prepared. The specimens were stored in water for 7 days and then in laboratory conditions for 21 days.In the study by Mendes et al., [21], the study partially replaced the ordinary Portland cement (OPC) with ground granulated blast furnace slag (slag) which is 35 and 50% (by weight).Effects of slag and cooling method on the progressive
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NMR, XRD, IR and synchrotron NEXAFS spectroscopic studies of
Mendes A, Sanjayan J, Collins F (2009) Long-term progressive deterioration following fire exposure of OPC versus slag blended cement pastes. Mater Struct 42:95–101. Article Google Scholar Kirkpatrick RJ (1988) MAS NMR spectroscopy of minerals and glasses. In: Ribbe PH (ed) Spectroscopy methods in mineralogy and geology.In the Portland-fly ash cements (CEM II/A-V 42,5 R and CEM II/B-V 32,5 R) fly ash with the same origin and chemical composition was used (siliceous fly ash). In Portland-pozzolana cement (CEM II/A-P 42,5 N) trass (natural volcanic stone) was used as additive. All of the tested cements were standardised products of CRH Hungary Ltd Improved fire resistance by using Portland-pozzolana or Portland
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Fire Resistance of Concretes with Blended Cements
An extensive experimental study was carried out to analyse the post-heating characteristics of concrete subjected to high temperatures up to 800 °C. Major parameters of our study were the type of supplementary materials of cement (slag, fly ash, trass, silica fume, metakaolin) and the level of maximum temperature (50, 150, 300, 500 or 800 °C).and slag in Portland cements or blended cements can generally keep the mechanical properties of concrete at a higher level after heating to high temperature. Compared to PC, the residual compressive strength, splitting tensile strength, flexural strength and modulus of elasticity of PC blended with PFA increase by 1.2–270, 1.1–80, 4.5–200Improved fire resistance by using Portland-pozzolana or Portland
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(PDF) Fire Resistance of Concretes with Blended Cements
Major parameters of our study were the type and amount of supplementary cementitious materials (slag, fly ash, trass, silica fume, metakaolin) in cements and the level of maximum temperature (50Portland cements: Clinker, gypsum and limestone---but with about 10% additional limestone. • Portland-limestone cements have been used under the ASTM C1157 Performance Specification for the last 20 years • Portland-Limestone cements were added to CSA A3001 in 2008, with up to 15% intergroundlimestone replacing cement clinker Performance of Slag Cement with Portland‐limestone Cement in
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alessandra mendes fire resistance of slag blended cements
The influence of SiMn slag on chemical resistance of . The results have showed that blended cement pastes elaborated with SiMn slag (5% and 15% additions) after 56 days of curing have a good resistance in some aggressive solutions, no losing weight and presenting an excellent resistance index compared to the reference matrix. Get PriceProperties and Early-Age Cracking Potential of Blended Cement Concrete. Jul 2009. Zhi Ge. Kejin Wang. Zhili Gao. Jul 2009. Yunus Ballim. Peter C. Graham. Jul 2009.Blended Cements Science topic ResearchGate
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A preliminary study of blended pastes of cement and quartz
QP blended cement pastes are more resistant to elevated temperatures than neat PC pastes. The resistance to thermal shock of the cement pastes is increased when PC is replaced with QP. As QP increased in the hardened cement pastes (up to 20%) as the thermal shock resistance increased. The improved fire and thermal shock Major parameters of our study were the slag content of cement (0, 16, 25, 41 or 66 m%) and the value of maximum annealing temperature. Our results indicated that (1) the number and size of surface(PDF) Improved fire resistance by using slag cements
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Sustainability Free Full-Text Zero-Cement Concrete Resistance
The durability of zero-cement concrete or alkali-activated materials (AAMs) is a subject of controversy, especially when exposed to sulfate attacks. This can be due to the different elemental and microstructural compositions of the broad alkali-activated systems that exhibit different degradation mechanisms in sulfate-rich environments.
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