Alessandra Mendes Fire Resistance Of Slag Blended Cements

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Fire Resistance of Concretes with Blended Cements ...

06-08-2017· 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, ... Alimrani N., Abdelmelek N., Lublóy É. (2018) Fire Resistance of Concretes with Blended Cements. In: Hordijk D., Luković M. (eds) High Tech Concrete ...

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Fire resistance of concrete made with Portland and slag ...

Fire resistance of concrete made with Portland and slag blended cements . By Alessandra Ferreira Bragança Mendes. Abstract. 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 ...

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Editorial - Australasian (iron & steel) Slag Association

Fire Resistance of Slag Blended Cements Alessandra Mendes reported to the Technical Committee of Australasian (iron and steel) Slag Association on the early stages of her research into the Fire Resistance of Concretes made with slag-blended cements in 2008. At the 6th Global Slag …

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Knowledge

Paper 18 Fire resistance of slag blended cements: Alessandra Mendes: Monash University. Paper 19 Mixture design and engineering properties of concrete made of new slag ash (paper): Chao-Lung Hwang: National Taiwan University of Science and Technology

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Hydration of slag-blended cements - ScienceDirect

In this paper, the hydration of slag in blended cements is investigated through the measurement of hydration reaction indicators such as portlandite content, non-evaporable and free water, and hydration heat. Three substitution rates of cement by slag were used (30%, 50% and 70%).

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Expansion of CEM I and slag-blended cement mortars …

01-09-2019· These slag blends were used in this study, together with a plain CEM I 42.5 R. This approach reflects industrial practice where composite cements can often be blended with a slightly finer clinker. The chemical and physical properties of the cements and slag are as previously reported , but are presented in Table 1, Table 2 for

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alessandra mendes fire resistance of slag blended cements; business directory of indian suppliers manufacturers; used mobile 30t h stone crusher; whatfactors determine the efficiency of a secondary crusher; harga dinamo kg stone crusher; sand cisco r o yangtze; Stone Crusher Industry Andhra; first secondary and tertiary grinding process

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Review of 6th Global Slag Conference 2010

However, the winner of the best presentation award was Alessandra Mendes of Monash University, for her paper on the fire-resistance of slag blended cements. Field trip. In all, 40 delegates from the event took part in a post-conference field trip to BlueScope Steel’s Port Kembla works, where they saw slag granulation and a BF slag pour.

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and - ecocem.nl

presented by slag blended cements after exposure to high temperatures Keywords Cement· Slag . Compressive strength . High temperatures . Thermogravimetric analysis A. Mendes (18!) . J. Sanjayan . F. Collins Department ofCivil Engineering, Monasb Unive"ilY, Wellington Road, Clayton, VIC 3S00, Australia e-mail: [email protected]

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Preliminary laboratory study of steel slag for blended ...

The first possibility is to use steel slag as a raw material for clinker production, which has been discussed in a number of articles, e.g. (Montgomery and Wang, 1999), (Monshi and Asgarani,1999 ...

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Long-term progressive deterioration following fire ...

Long-term progressive deterioration following fire exposure of OPC versus slag blended cement pastes By Alessandra Mendes, Jay G. Sanjayan and Frank Collins No …

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(PDF) Heat resistance of portland cements

The question arises what effects grinding fineness and oxide composition have on fire resistance of cements. ... the values fo r PC blended wi th slag are 1.5 ... Mendes A, Sanjayan J, Collins ...

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Phase transformations and mechanical strength of …

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 binder in concrete. When concrete is exposed to high temperatures, physical and chemical transformations lead to significant loss of mechanical strength. Past studies have reported changes in concrete where OPC is 100% of the ...

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INTERNATIONAL

Alessandra Mendes gave a presentation at the February Technical Committee Meeting [NEWSBRIEFS] on the Fire Resistance of Concrete made with Slag Blended Cements. Alessandra is a researcher in the School of Civil Engineering – Monash University. This presentation will be reported on in a future issue of Connections

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Alkali-activated Portland blast-furnace slag cement ...

01-06-2017· This is consistent with Acevedo-Martinez et al. , who evaluated GBFS blended cements of different proportions that were alkali activated with different percentages of Na 2 O and found that increasing the amount of slag (>50%) and Na 2 O (>6%) results in equal or better properties than those of the 100% OPC cement; in contrast, a low percentage of slag during alkali activation delays the ...

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An investigation on very high volume slag pastes subjected ...

15-01-2015· Mendes et al. demonstrated that the damage (destroyed specimens) due to elevated temperatures is reduced by blending PC with slag provided that the slag blended cement achieved a significant and beneficial reduction of the amount of Ca(OH) 2.The DTG results showed that the decomposition peak of PC at 500 °C, which is related to Ca(OH) 2, was four times greater than the 65% slag …

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Long-term progressive deterioration following fire ...

Long-term progressive deterioration following fire exposure of OPC versus slag blended cement pastes By Alessandra Mendes, Jay G. Sanjayan and Frank Collins No …

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alessandra mendes fire resistance of slag blended cements. Slag Crusher,Slag Grinding Machine,Slag Crushing Plant,Slag Mill,Slag , Slag is the glass-like by-product left over after a desired metal has been separated (i , Slag is the glass-like by-product left over after a desired metal has been separated (i . Online Servers

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Study of rehydration of Portland blast-furnace slag cement ...

Researchers have studied the dehydration and rehydration of Portland cement. In this study, hydrated cement pastes (HCPs) prepared from Portland blast furnace slag cement (PBFSC), were heat treated at 700ºC and 900ºC and used in the preparation of rehydrated cement powders in air (RCPs-air) and rehydrated cement paste (RCPs) with water/cement ratios (w/c) of 0.3 and 0.5.

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Alkali-activated Portland blast-furnace slag cement ...

01-06-2017· This is consistent with Acevedo-Martinez et al. , who evaluated GBFS blended cements of different proportions that were alkali activated with different percentages of Na 2 O and found that increasing the amount of slag (>50%) and Na 2 O (>6%) results in equal or better properties than those of the 100% OPC cement; in contrast, a low percentage of slag during alkali activation delays the ...

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slag usage in cement indonesia – Grinding Mill China

Improved processing of blended slag cement through mechanical … EBSCOhost serves thousands of libraries with premium essays, articles and other content including Improved processing of blended slag cement through mechanical … » More detailed! 3.1.3.1. Blast-Furnace Slag for Concrete in Hot Environments. the pulverised slag with Portland ...

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An investigation on very high volume slag pastes subjected ...

15-01-2015· Mendes et al. demonstrated that the damage (destroyed specimens) due to elevated temperatures is reduced by blending PC with slag provided that the slag blended cement achieved a significant and beneficial reduction of the amount of Ca(OH) 2.The DTG results showed that the decomposition peak of PC at 500 °C, which is related to Ca(OH) 2, was four times greater than the 65% slag …

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Scientific & Academic Publishing

Mendes, A., Sanjayan, J.G., Collins, ... Sanjayan, J.G., "Fire Resistance of Reinforced Concrete Walls", Recent Technical Advances ... B., and Sanjayan, J. G., "The Effect of Slag Blended Cements on the In-Situ Strength of High Strength Concrete Columns", Proceedings of the 17th Biennial Conference on Concrete 95 Toward Better Concrete ...

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ferrous slag recycling - hpproductions.co.za

Slag can be used directly for iron, made after the iron ore, iron chloride pellets production and recycling . Know More. recyling iron slag - CGM Mining Solution . Pyrite slag processing recycling machine,non ferrous … Slag can be used directly for iron, made after the iron ore, ...

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Understanding the Filler Effect on the Nucleation and ...

Vincent Hallet, Nele De Belie, Yiannis Pontikes, The impact of slag fineness on the reactivity of blended cements with high-volume non-ferrous metallurgy slag, Construction and Building Materials, 10.1016/j.conbuildmat.2020.119400, 257, (119400), (2020).

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