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Modified Slump Test to Measure Rheological Parameters of Fresh Concrete      The ease of placement of concrete depends upon at least two physical properties, the yield stress and plastic viscosity. Currently the most common field test is the slump test, and it is related only to the yield stress. Therefore, a simple field test method intended to provide an evaluation of the two Bingham rheological parameters, yield stress and plastic viscosity, was developed. Description of apparatus and test procedure. URL: http://fire.nist.gov/bfrlpubs/build98/art058.html Title: 1998 Building Publications - Modified Slump Test to Measure Rheological Parameters of Fresh Concrete. Desc: The ease of placement of concrete depends upon at least two physical roperties, the yield stress and plastic viscosity. Currently the most common field test is the slump test, and it is related only to the yield stress. Category: Materials\ Concrete and Mortar Specialized in: Concretes - Concrete Rheology - Slump Test - Plastic Viscosity - Yield Stress - Workability Field Test    Similar Companies      Massachusetts Institute of Technology (MIT) : Department of Materials Science and Engineering. Includes information about programs and photo of lab facility. Located in the USA. Curing of High Strength Concrete Using Lightweight Aggregates: Report about tests with prewetted lightweight aggregates as a water supply in high strenght concrete. [PDF, 468 kB] [PDF] Comparison of Concrete Rheometers : Comparison of measurements from five types of concrete rheometers (four of them are commercial available). The aim was to provide Assessment of Commercial Corrosion Inhibiting Admixtures for Reinforced Concrete: This report conveys the results of a three-part laboratory study of corrosion inhibiting admixtures in concrete. The abstract is available Argument for Using Coarse Cements in High-Performance Concretes. : Investigation of the effects of particle size distribution and water-to-cement ratio on hydration kinetics. Printed in: Cement and Concrete Research, Axim Concrete: AXIM delivers a broad range of admixtures and specialized chemicals that enhance concrete and masonry performance, as well as improve Stress Due to Alkali-Silica Reaction in Mortars: A test method and test apparatus is presented. It does not measure the length change but measures the stress generated Influence of Mineral Admixtures on the Rheology of Cement Paste and Concrete: Rheological tests on cement paste were used to successfully select the type and dosage of mineral admixtures that improved concrete Methods for Investigation of the Hydration Process in Cementitious Materials: Comparison of results investigating the hydration process in cementitious materials. Methods used are ultrasound, scanning electron microscopy and nuclear magnetic Fresh Concrete Rheology - Recent Developments: An overview of the tests that are commonly used to measure the rheology of fresh concrete and methods to predict    Related Press and News      Mechanical Improvement of Concrete By Irradiated Polypropylene Fibers: By Martnez-Barrera, Gonzalo; Vigueras-Santiago, Enrique; Hernndez- Lpez, Susana; Brostow, Witold; Menchaca-Campos, Carmina Fiber reinforced concrete (FRC) contains fibers physically mixed Malvern Sponsor Thermal-Mechanical-Rheological Course at InnoPlast Solutions: a leading supplier of analytical solutions for particle characterization and rheological applications, is a major sponsor of a course exploring A Motor Analyzer for the Engineering Lab: New motor test instrument fits on the bench-top and conducts comprehensive in-depth servo motor analysis. Denver, Colorado, January, 15, 2007 - Concrete Washout Systems, Inc. Goes Rampless: Innovative rampless Concrete Washout Systems™ container to compliment and add versatility for jobsites. Elk Grove, CA (PRWEB via PR Web Direct) Shuttle Undergoes Second Fuel Tank Test: CAPE CANAVERAL, Fla. -- NASA conducted a second fueling test Friday on space shuttle Discovery to try to figure out   Home | Contact Us | Privacy Notice | Submit Site | Submit Press Release © 2004-2008 MechDir. All Rights Reserved