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Influence of Coupled Activated Recycled Fine Powder on the Performance of Ultra-High-Performance Concrete. [PDF]

Materials (Basel)
Lu C, Zhang M, Shrestha N, Yang D, Yu C.
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UK silica sand resources for fracking

, 2013
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Determination of silica sand stiffness

Engineering Geology, 2003
Site investigation and evaluation of properties of soil or rock are important aspects of geotechnical design. Determination of the ground stiffness is one of the important parameters in geotechnical engineering. Since the measurement of shear modulus is very sensitive to soil disturbance, especially for sand, determination of the stiffness of soil in ...
G.R Lashkaripour, R Ajalloeian
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Coating of silica sand with aluminosilicate clay

Journal of Colloid and Interface Science, 2006
The objective of this work was to coat aluminosilicate clays on an inert silica support, and to characterize the properties and stability of the clay-silica coating. Two polymers, polyacrylamide (PAM) and polyvinyl alcohol (PVA), were used to bind kaolinite, illite, and smectite onto silica grains.
Jorge, Jerez, Markus, Flury, Jianying, Shang, Youjun, Deng   +3 more
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Transport of colloidal silica in unsaturated sand: Effect of charging properties of sand and silica particles

Chemosphere, 2016
We have studied the transport of colloidal silica in various degrees of a water-saturated Toyoura sand column, because silica particles are widely used as catalyst carriers and abrasive agents, and their toxicity is reported recently. Since water-silica, water-sand, and air-water interfaces have pH-dependent negative charges, the magnitude of surface ...
Yosuke, Fujita, Motoyoshi, Kobayashi
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Silica: Shifting Sands

ChemInform, 2006
AbstractChemInform is a weekly Abstracting Service, delivering concise information at a glance that was extracted from about 200 leading journals. To access a ChemInform Abstract, please click on HTML or PDF.
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Effect of silica sand on activation energy for diffusion of sodium ions in montmorillonite and silica sand mixture

Journal of Contaminant Hydrology, 2003
The effect of silica sand on the diffusion of sodium ions in mixtures of montmorillonite and silica sand was studied by measuring the apparent diffusion coefficients, activation energies for diffusion, and the basal spacing of the mixed samples. These diffusion experiments suggest that the apparent diffusion coefficients of sodium ions in the mixed ...
Jinhong, Liu, Hiromichi, Yamada, Tamotsu, Kozaki, Seichi, Sato, Hiroshi, Ohashi   +4 more
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Direct laser sintering of a silica sand

Materials & Design, 2003
As an application study of rapid prototyping, commercially available silica sand was successfully direct-laser-sintered in a self-developed high-temperature laser sintering equipment. The mechanism of powder-state sand becoming a solid state block during the laser sintering process was disclosed by scanning electron microscope (SEM) and energy ...
Tang, Y., Fuh, J.Y.H., Loh, H.T., Wong, Y.S., Lu, L.   +4 more
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The abrasive wear of silica sand agglomerates

Tribology International, 1993
Abstract Processing of agglomerated particulate products can lead to attrition by abrasive wear as the agglomerates move relative to one another. In order to investigate this damage mechanism under controlled conditions, bar-shaped silica sand agglomerates of a range of strengths have been formed by addition of appropriate proportions of ...
M.A. Mullier, J.P.K. Seville, F. Herbert, M.J. Adams   +3 more
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