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postgrasrv.hydro.ntua.gr/en/edmaterial/thesis/abstract/...
postgrasrv.hydro.ntua.gr/en/edmaterial/thesis/abstract/boura_panagiota_en.pdf
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Portland cement used as a binder with this jarosite/alunite was based on ... high compressive strength, as sludge at this percentage does not seem to affect the ...
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users.ntua.gr/katsioti/4_a_08.pdf
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The idea of substituting natural gypsum by the jarosite/alunite precipitate in order to produce Portland cement was based on the high sulphate content of the ...
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www.sciencedirect.com/science/article/pii/S000888460300...
www.sciencedirect.com/science/article/pii/S0008884603001133
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Therefore, it contains approximately 50% SiO2[4]. Alunite additive cements are rapidly hardening and have high-strength properties [3] and [5]. When alunite is ...
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www.sciencedirect.com/science/article/pii/S000888469800...
www.sciencedirect.com/science/article/pii/S0008884698002440
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Specimenno. Clinker (%), Alunite (%), Calcined alunite (%), High-alumina cement, Setting time (hours:minutes), Compressive strength ...
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trid.trb.org/view.aspx?id=744801
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Dec 1, 2004 ... The initial rate of adsorption of phosphate with the alunite was high, but ... AND COMPRESSIVE STRENGTH OF BLENDED CEMENT PASTES ...
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www.springerlink.com/index/a228121351517087.pdf
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alunite precipitate, a waste product of a novel Greek ... Jarosite/alunite residue Á Mechanical strength Á ... cement-based mortars exhibit a high compressive ...
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www.mdpi.com/1424-8220/9/7/5059/pdf
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Cement has been prepared using alunite [1], and a type of special cement ... F46120 CM High-Temperature Furnace : 240 V, 40 A, 2500 Watt, 50/60 Hz, 1 Phase) .... increased from 3 mol to 5 mol, only the diffraction strength of the CaSO4 that ...
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web.usal.es/~mdp/Nesperia%20et%20al%20(2010).pdf
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uniaxial compression strength (UCS) they may be strong or very strong rocks, but under wet ... higher when isotropic opal cement is found together with alunite ...
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www.fhwa.dot.gov/infrastructure/materialsgrp/cement.htm...
www.fhwa.dot.gov/infrastructure/materialsgrp/cement.html
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However, some applications require the use of other cements to provide higher levels of properties. The need for high-early strength cements in pavement ...
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