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Mendes, Alessandra; , In the present work OPC and OPC/slag concretes were exposed to elevated temperatures, 400 and 800°C The critical temperature of 400°C has been reported for OPC paste , studies were conducted Results showed that after 400°C, water cooling caused all concrete, regardless of the type of blended cement binder, a ....
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This work provides better understanding of how slag blended cement pastes behave when exposed to high temperatures, when the critical transformations occur, and what the consequences in the ....
Long-term progressive deterioration following fire exposure of OPC versus slag blended cement pastes...
[1] Alessandra Mendes, Jay G Sanjayan, Will P Gates, Frank Collins The influence of water absorption and porosity on the deterioration of cement paste and concrete exposed to elevated temperatures, as in a fire ,...
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Alessandra Mendes, Jay G Sanjayan and Frank Collins, Long-term progressive deterioration following fire exposure of OPC versus slag blended cement pastes, Materials and Structures, 42, 1, (95), (2009)...
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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 ,...
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]
alessandra mendes fire resistance of slag blended Tests reported in this paper show that alkaliactivated slag and such studies have indied that the addition of slag improves fire resistance ofAlessandra Details; , alessandra mendes fire resistance of slag blended cements...
furnace slag (GGBS), enhances the fire resistance of concrete Cooling Regimes Mendes, et al, (2000) have studied the effect of ordinary Portland cement , after 400oC, water cooling caused all concrete, regardless of the type of blended cement binder, a further 20% loss in the residual strength...
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An increase of the total porosity, severe loss in mechanical strength and propagation of harmful cracks occurs The thermal shock as a result of cooling of the heated cement paste and the rehydration of lime enhance the propagation of harmful cracks...
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By Alessandra Mendes, Jay Sanjayan and Frank Collins Abstract The fire resistance of concrete is a major design consideration due to numerous high profile fire incidents such as fires in tunnels and the collapse of World Trade Centre Twin Towers...
of ope versus slag blended cement pastes Coostituentlpropeny (%) OPe Slag SiC, 1990 325 AhO) 470 13 FC20j 338 022 , [email protected] , fire-damaged structures long after tbe fire exposure for ongoing deterioration Concrete is exposed to the...
Mendes, Alessandra; Sanjayan, Jay; Collins, Frank 2010-08-31 00:00:00 In the present work OPC and OPC/slag concretes were exposed to elevated temperatures, 400 and 800°C The critical temperature of 400°C has been reported for OPC paste...
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The influence of water absorption and porosity on , as in a fire event Alessandra Mendes a , following fire exposure of OPC versus slag blended , damage in blended cements caused by mercury ....