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2016-6-2similar combination prepared with 1448 misreferredtoasfa-50 refer to table 3 all samples were mixed with a constant water to cement ratio of 055 by mass the samples were mixed near the experiment station and exposed to beam within 2 min of mix...
Yield stress of aerated cement paste is studied samples are prepared by mixing aqueous foam with cement paste which allows controlling bubble size gas volume fraction and yield stress of the...
Admixing carbon fibers to the prepared cement paste leads to an increase of the shear viscosity of the samples as compared to plain cement paste samples at similar shear rates for low shear rates 05 to 10 s 1 1 vol- admixed carbon fiber samples show s...
The use of a mixing method based on a novel dry dispersion procedure that enables a proper mixing of simultaneous nanometric functional additions while avoiding the health risks derived from the exposure to nanoparticles is reported and compared with a co...
2011-2-23cement paste cement paste was prepared by mixing 500 g 1 g of cement and appropriate quantity of water in a turbine mixer toni technik tonimix following the procedure described in standard en 196-3 the volume of water was measured using the the...
The hardened cement paste comprises cement hydrates rich in calcium that are able to react with co 2 present in the atmosphere and permanently bind co 2 into calcite the main component of...
Graphene oxide go nanophase dispersion was prepared by hummers method followed ultrasonication the effects of go on fluidity of cement pastes and microstructure of hardened cement paste were studied the microstructure of go and hardened cement...
2013-3-13cement and concrete research 35 2005 1074 1081 hydration characteristics of waste sludge ash that is reused in eco-cement clinkers kl linat ky chiangb cy linc b a department of environmental engineering national i-lan university i-lan...
Yield stress of aerated cement paste is studied samples are prepared by mixing aqueous foam with cement paste which allows controlling bubble size gas volume fraction and yield stress of the...
Features of the microstructure and phase composition of hardened cement paste prepared by mechano-chemical activation of the binder 1 x-ray analysis curves for the cement paste samples at 1 day the compositions are numbered as in table 1...
The cement paste was prepared using a high-speed shear mixer tat-2500 the nano-magnetite powder was first dispersed into the distilled water by an ultrasonic probe for 30 min and the prepared...
Pore structure characterization of hardened cement paste is important to concrete mechanical and transport properties hence we apply indirect methods ns mip and nmr and direct methods xct fibsem and him to provide a general view of the pore structur...
Effect of mixing water types on the time-dependent zeta potential of portland cement paste article pdf available in science and engineering of composite materials 203 august 2013 with 431 reads...
The cement paste was prepared by mixing with de-ionized water using a mass watercement ratio of 05 the tio 2 sols were prepared according to the following procedure titanium isopropoxide ttip 97 was purchased from sigma-aldrich ttip solution was then...
Portland cement is the basic ingredient of concrete concrete is formed when portland cement creates a paste with water that binds with sand and rock to harden cement is manufactured through a closely controlled chemical combination of calcium silicon...
The cement paste was prepared using a high-speed shear mixer tat-2500 the nano-magnetite powder was first dispersed into the distilled water by an ultrasonic probe for 30 min and the prepared...
Features of the microstructure and phase composition of hardened cement paste prepared by mechano-chemical activation of the binder 1 x-ray analysis curves for the cement paste samples at 1 day the compositions are numbered as in table 1...
2019-12-12nanomodified portland cement paste with a watercement ratio of 04 was prepared with the addition of tio 2 nanoparticles at 01 05 10 and 15 by mass of cement the flexural strengths of the prepared cement-based composites were tested and...
This paper presents the influence of the dehydration temperature and the initial watercement ratio on the rehydration activity of dehydrated cement paste dcp original hcps were prepared with two watercement ratios of 03 and 05 respectively and cured...
Hydration products form in the pore space of crs and interlock with the matrix of cement paste which increases the strength the total porosity of concrete prepared with crs is...
The hydration products from the ultra-fine cement showed about the same phy sical characteristics as those from a cement of ordinary fineness prepared from the same clinker neat cement pastes were prepared and cast in glass tubes in the way described in...
Development of microstructure of early cement paste0-6 h was investigated with1h lowfield nmrit was found that t 2transverse relaxation time distributions of fresh cement paste were bimodal and two peaks were long component and short componentseparation...
Cement grouttail sealant interface in the tunnel lining system as shown in fig 4 considered the real thickness of tail sealant le on the surface of cement paste in tunnel lining a 5mm thick lm of modi ed tail sealant was evenly coated on the surface o...
In situ raman studies on cement paste prepared with natural pozzolanic volcanic ash and ordinary portland cement construction and building materials 2017 148 444-454 s d palkovic s yip o buyukozturkconstitutive response of calcium-silicate-hydrat...