Search Results - "Flatt, R. J."

Yield stress during setting of cement pastes from penetration tests by Lootens, D., Jousset, P., Martinie, L., Roussel, N., Flatt, R.J.

“…Measurements of highly visco-elastic media such as cementitious materials during hardening and setting are difficult with standard rheometers. That is why the…”
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Towards a prediction of superplasticized concrete rheology by Flatt, R. J.

“…The rheology of concrete is influenced by water content, the amount, size and size distribution of all the solid components as well as by the dispersion of the…”
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Present and future durability challenges for reinforced concrete structures by Angst, U. M., Hooton, R. D., Marchand, J., Page, C. L., Flatt, R. J., Elsener, B., Gehlen, C., Gulikers, J.

“…This paper sums up the International RILEM Workshop on Present and Future Durability Challenges for Reinforced Concrete Structures, held at ETH Zurich in…”
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Synthesis of Microporous Silica Spheres by Vacassy, R., Flatt, R.J., Hofmann, H., Choi, K.S., Singh, R.K.

“…Spherical microporous silica powders with a narrow size distribution have been prepared by a precipitation technique involving the hydrolysis reaction of a…”
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Heating cement to slow down its hydration: The unexpected role of PCE interpolymer bridge formation by Palacios, M., Sanz-Pont, D., Kunhi Mohamed, A., Boscaro, F., Reiter, L., Marchon, D., Mantellato, S., Flatt, R.J.

“…PCEs with specific polymer structures at dosages over 1% were shown to delay cement hydration as temperature increased. The present work investigates this…”
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Yodel: A Yield Stress Model for Suspensions by Flatt, Robert J., Bowen, Paul

“…A model for the yield stress of particulate suspensions is presented that incorporates microstructural parameters taking into account volume fraction of…”
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Anhydrite/aerogel composites for thermal insulation by Sanz-Pont, D., Sanz-Arauz, D., Bedoya-Frutos, C., Flatt, R. J., López-Andrés, S.

“…High performance thermal insulating composite materials can be produced with mineral binders and hydrophobic aerogel particles through a hydrophilization…”
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Dispersion forces in cement suspensions by Flatt, Robert J.

“…Dispersion forces, often also referred to as van der Waals forces, are the main cause for agglomeration of cement particles in concrete and of the poor…”
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Acoustophoretic characterization of cement suspensions by FIATT, P.J, FERRARIS, C.F

“…Acoustophoresis has been used to study the evolution of the surface potential of hydrating cement suspensions because it is potentially capable of measuring…”
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Electrostatic repulsion between particles in cement suspensions: Domain of validity of linearized Poisson–Boltzmann equation for nonideal electrolytes by Flatt, Robert J, Bowen, Paul

“…To understand the dispersion of cement particles by superplasticizers, proper quantification of the possible mechanisms involved (electrostatic, steric, and…”
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Towards a prediction of superplasticized concrete rheology by Flatt, R J

“…The rheology of concrete is influenced by water content, the amount, size and size distribution of all the solid components as well as by the dispersion of the…”
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Building in Concrete with an Ultra-lightweight Knitted Stay-in-place Formwork: Prototype of a Concrete Shell Bridge by Popescu, M., Reiter, L., Liew, A., Van Mele, T., Flatt, R.J., Block, P.

“…A novel formwork system is presented as a material saving, labour reducing and cost-effective solution for the casting of bespoke doubly curved concrete…”
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Acoustophoretic characterization of cement suspensions by Flatt, R J, Ferraris, C F

“…Acoustophoresis has been used to study the evolution of the surface potential of hydrating cement suspensions because it is potentially capable of measuring…”
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Yield Stress of Multimodal Powder Suspensions: An Extension of the YODEL (Yield Stress mODEL) by Flatt, Robert J., Bowen, Paul

“…The prediction of the rheological properties of concentrated suspensions is of great importance both in industrial processes (ceramics, cements, and…”
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Effects of anaesthesia on some aspects of mental functioning of surgical patients by FLATT, J. R, BIRRELL, P. C, HOBBES, A

“…Plastic surgery patients undergoing either local (LA) or general (GA) anaesthesia of at least forty-five minutes' duration and a non-patient control group were…”
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En route to a multi-model scheme for clinker comminution with chemical grinding aids by Mishra, R. K, Geissbuhler, D, Carmona, H. A, Wittel, F. K, Sawley, M. L, Weibel, M, Gallucci, E, Herrmann, H. J, Heinz, H, Flatt, R. J

“…We present a multi-model simulation approach, targeted at understanding the behavior of comminution and the effect of grinding aids (GAs) in industrial cement…”
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A voltammetric investigation of the oxidation of pyrite in nitric acid solutions : relation to treatment of refractory gold ores by FLATT, J. R, WOODS, R

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Salt damage in porous materials: how high supersaturations are generated by Flatt, Robert J.

“…The current theory of crystal growth in pores has been further developed to include thermodynamics of real solutions for sodium sulfate and sodium chloride…”
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SHAPE COMPARISON BETWEEN 0.4-2.0 AND 20-60 MICRON CEMENT PARTICLES by Holzer, L, Flatt, R J, Erdogan, S T, Bullard, J W, Garboczi, E J

“…Portland cement powder, ground from much larger clinker particles, had a particle size distribution from about 0.1 to 100 micron. For the same cement, X-ray…”
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A simplified view on chemical effects perturbing the action of superplasticizers by Flatt, Robert J, Houst, Yves F

“…Understanding and quantifying effects of superplasticizers in concrete is a complex task. Even for nonreactive systems, such as ceramic suspensions, the…”
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