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You searched on: Author: chiara ferraris

Displaying records 31 to 40 of 88 records.
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31. Parallel-Plate Rheometer Calibration Using Oil and Lattice Boltzmann Simulation
Published: 10/11/2007
Authors: Chiara F Ferraris, Nicos Martys, M R Geiker, N V. Muzzatti
Abstract: The flow in traditional rotational rheometers is well known and rheological parameters such as viscosity can be calculated relatively easily. On the other hand, when the fluid is a suspension that contains particles with a diameter up to 2 mm, these ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860485

32. Acoustic Sensing of Hydrating Cement Slurries: An Exploratory Study
Published: 10/10/2007
Authors: Vincent A Hackley, L -S Lum, Chiara F Ferraris
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=854415

33. Calibration of Modified Parallel-Plate Rheometer Using Standard Oil and Lattice Boltzmann Simulation
Published: 10/3/2007
Authors: Chiara F Ferraris, M R Geiker, Nicos Martys, N V. Muzzatti
Abstract: Fluid flow patterns in traditional rotational rheometers are generally well known and rheological parameters such as viscosity can be easily calculated from experimental data of single phase fluids and analytical solutions of the patterns. However, w ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860701

34. Feasibility of Using a Concrete Mixing Truck as a Rheometer(Orlando, Florida)
Series: NIST Interagency/Internal Report (NISTIR)
Report Number: 7447
Published: 9/19/2007
Authors: Chiara F Ferraris, Roy Cooley, Joe Grein, Max A Peltz, Michael Topputo, Steve Verdino
Abstract: The goal of the tests reported here was to further determine the feasibility of using a concrete mixing truck as a rotational rheometer. This work is the continuation of preliminary tests [ , ] that seemed to indicated that the yield stress and the ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860721

35. Cement and Concrete Materials Research at the National Institute of Standards and Technology (NIST)
Published: 9/5/2007
Authors: Edward Joseph Garboczi, Dale P Bentz, Jeffrey W Bullard, Chiara F Ferraris, Nicos Martys, Max A Peltz, Sudalin Rodrigues, Paul E Stutzman, Kenneth Alan Snyder, John A. Winpigler
Abstract: The materials science of cement and concrete is the focus of the Inorganic Materials Group at the National Institute of Standards and Technology (NIST). These experimental and computational research efforts include component and finished materials ch ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860715

36. Computational Model Predictions of Suspension Rheology: Comparison to Experiment
Published: 7/25/2007
Authors: Nicos Martys, Chiara F Ferraris, V Gupta, Josephine H Cheung
Abstract: Predicting the rheological properties of fresh concrete, mortars, and cement paste from first principles remains a great challenge. While progress has been made in modeling the rheological properties of idealized hard sphere-like suspensions, there i ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860732

37. Concrete Rheology: Knowledge and Challenges?
Published: 9/13/2006
Author: Chiara F Ferraris
Abstract: The design of concrete with specified properties for an application is not a new science, but it has taken on a new meaning with the wide use of special concretes, such as self compacting concrete (SCC). General terms such as flow under its own weig ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860658

38. New Approach to Identify Compatibility of Materials for Concrete Related to Early Stiffening
Published: 9/13/2006
Authors: Chiara F Ferraris, Philip R Taylor
Abstract: The measurement of the evolution of mechanical characteristics during the setting period of concrete is needed to control the schedule of construction (pumping, placement, finishing and saw-cutting). This evolution is affected by the compatibility (o ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860652

39. Certification of SRM 114q: Part I
Series: Special Publication (NIST SP)
Report Number: 260-161
Published: 6/14/2006
Authors: Chiara F Ferraris, William F Guthrie, A Aviles, Robin K Haupt, Bruce S MacDonald
Abstract: The standard reference material (SRM) for fineness of cement, SRM 114, is an integral part of the calibration material routinely used in the cement industry to qualify cements. Being a powder, the main physical properties of cement, prior to hydratio ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860624

40. Certification of SRM 114q: Part II
Series: Special Publication (NIST SP)
Report Number: 260-166
Published: 6/14/2006
Authors: Chiara F Ferraris, Max A Peltz, William F Guthrie, A Aviles, Robin K Haupt, Bruce S MacDonald
Abstract: The standard reference material (SRM) for fineness of cement, SRM 114, is an integral part of the calibration material routinely used in the cement industry to qualify cements. Being a powder, the main physical properties of cement, prior to hydratio ...
http://www.nist.gov/manuscript-publication-search.cfm?pub_id=860657



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