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Sunday, April 19, 2020 | History

4 edition of Comparison of concrete rheometers found in the catalog.

Comparison of concrete rheometers

Comparison of concrete rheometers

international tests at LCPC (Nantes, France) in October, 2000

by

  • 158 Want to read
  • 24 Currently reading

Published by U.S. Dept. of Commerce, National Institute of Standards and Technology in [Gaithersburg, Md.] .
Written in English

    Subjects:
  • Concrete -- Testing,
  • Rheometers

  • Edition Notes

    Statementeditors: Chiara F. Ferraris, Lynn E. Brower ; authors: Phil Banfill, ... [et al.]
    SeriesNISTR -- 6819
    ContributionsFerraris, Chiara F, Brower, Lynn E, Banfill, P. F. G, National Institute of Standards and Technology (U.S.)
    The Physical Object
    FormatMicroform
    Pagination147 p.
    Number of Pages147
    ID Numbers
    Open LibraryOL14525126M
    OCLC/WorldCa49664885


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Comparison of concrete rheometers Download PDF EPUB FB2

Concrete mixtures require sufficient workability for proper placement. In particular, sprayed, pumped Comparison of concrete rheometers book self-compacting concretes require careful definition and control of their flow properties to produce good by: texts All Books All Texts latest This Just In Smithsonian Libraries FEDLINK (US) Genealogy Lincoln Collection.

National Emergency Library. Top American Libraries Canadian Libraries Universal Library Community Texts Project Gutenberg Biodiversity Heritage Library Children's Library. Open Library. rheometers. In these. one [inner cylinder the the BM is rotated at varying Torque inner cylinder is measured when Concrete sample fills the gap between inner and drive shaft Fig.

2: Schematic Comparison of concrete rheometers book the rheometer (all dimensions in mm) Two-Point SLUMP MEASURES AND STRESS AND PLASTIC VALUES BMI BTRHEOM * MixtureCited by: Comparison of Concrete Rheometers: International Tests at MBT.

National Institute of Standards and Technology (NIST), 62 p. Comparison of Concrete Rheometers. This paper describes how fresh concrete is a complex fluid consisting of a suspension of a high volume of water with high volume percentage of particulate solid that has a very wide particle size by: Five concrete rheometers measured twelve fresh concretes in the first phase of a research program.

Although a correlation exists among the rheometers tested, th. TY - BOOK. T1 - Comparison of Comparison of concrete rheometers book Rheometers: International Tests at LCPC (Nantes, France) in October AU - Banfill, Phillip Frank GowerCited by: COMPARISON OF CONCRETE RHEOMETERS Rotational rheometers are designed to measure concrete workability by measuring shear stress.

Five instruments have been Comparison of concrete rheometers book to measure the flow properties of concrete, each with a different rotational geometry: two use coaxial cylinders, two use rotating vanes and one uses parallel plates.

Comparison of concrete rheometers: International tests at MBT (Cleveland OH, USA) in May Open access status: An open access version is available from UCL Discovery: Keywords: concrete, rheometers, international comparison, two-point test: UCL classification: UCL UCL > Provost and Vice Provost Offices UCL > Provost and Vice Provost Offices Author: D Beaupré, F Chapdelaine, P Domone, E Koehler, L Shen, M Sonebi, L Struble, D Tepke, JE Wallevik, O.

from various rheometers. Two international tests ( and ) were organized to bring all the concrete rheometers in one laboratory 1, [2] and test them on the same concrete. The goal was Comparison of concrete rheometers book determine correlation functions between the rheometers. The conclusion was that any pair of rheometer measurements can be correlated andAuthor: Chiara F.

Ferraris, Nicos Martys, William L. George, Edward J. Garboczi, Alex Olivas. ACI committee A with the support of the Concrete Research Council and industry has tested four concrete rheometers specifically designed to evaluate rheological properties of concrete materials.

The second test series expands the data from the first test series using the same approach of bringing the rheometers together at a Comparison of concrete rheometers book test site and testing the same concrete mixtures Cited by: NISTIR Comparison of concrete rheometers: International tests at LCPC (Nantes, France) in October, Editors: Chiara F.

Ferraris, National Institute of Standards and Technology (USA) Lynn E. Brower, Master Builders Technologies (USA) Authors (in alphabetical order).

inallowing the direct comparison of five types of rheometers [3]. This first comparison test was sponsored by the Concrete Research Council (CRC) of ACI and by industry. Comparison of concrete rheometers [microform]: international tests at LCPC (Nantes, France) in October, / editors, Chiara F.

Ferraris, Lynn E. Brower ; authors, Phil Banfill [et al.] Book. COMPARISON OF TWO CONCRETE RHEOMETERS FOR SHEAR THICKENING BEHAVIOUR OF SCC Dimitri Feys (1),(2), Gert Heirman (3), Geert De Schutter (1), Ronny Verhoeven (2), Lucie Vandewalle (3), Dionys Van Gemert (3) (1) Magnel Laboratory for Concrete Research, Department of Structural Engineering, Ghent University, BelgiumCited by: The second was to develop a reference material suitable for concrete rheometers, i.e.

particles suspended in a fluid (granular) and Bingham. The next section summarizes the results from two round-robins that highlight the progress made in developing a reference material.

Comparison of concrete rheometers International round-robins. Ferraris CF, Brower LE editors () Comparison of concrete rheometers: International tests at MB (Cleveland OH, USA) in May, National Institute of Standards and Technology Interagency Report (NISTIR) Google ScholarCited by: Feys, Dimitri, G HEIRMAN, Geert De Schutter, Ronny Verhoeven, L VANDEWALLE, and D VAN GEMERT.

“Comparison of Two Concrete Rheometers for Shear Thickening Behaviour of SCC.” In Self-compacting Concrete - SCCed. G De Schutter and V Boel, –Cited by:   Based on 20 years experience with rheometers for mortar and fresh concrete, Schleibinger has de­ve­loped a new instrument called viskomat XL.

Its filling the gap between the viskomat NT for mortar and paste with a specimen volume of ml and the con­crete rheometer eBT-V with a sam­ple vol­ume of 20l. Get this from a library. Comparison of concrete rheometers: international tests at MB (Cleveland OH, USA) in May, [Chiara F Ferraris; Denis Beaupr¿̐ư; Fr¿̐ưd¿̐ưric Chapdelaine; Peter Domone; Eric Koehler; Lin Shen; Mohammed Sonebi; Leslie Struble; David Tepke; Olafur Wallevik; Jon E Wallevik; National Institute of Standards and Technology (U.S.)].

Comparison of two concrete rheometers for shear thickening. Comparison of concrete rheometers: international tests at LCPC (Nantes, France) in October, Comparison of concrete rheometers: International tests at MB (Cleveland OH, USA) in May (PDF document) (4j) Measurement of Workability of Fresh Concrete Using a Mixing Truck Modeling: This section includes all papers related to modeling the flow of concrete and how to relate the measurements on mortar or cement paste to prediction of concrete flow.

Roussel, N., Correlation between yield stress and slump: comparison between numerical simulations and concrete rheometers results. Materials and Structures, 39(4): p. Rotational rheometers apply a known force to the sample and measure how it reacts to the force and the force the sample then exerts on the rheometer.

Features that can vary between rotational rheometers include viscosity ranges measured, whether or not there is a built in temperature probe, and the user friendliness of the controls and read out. OAI identifier: oai::publications/19dde38f-6e8d-4ef-c16d6eAuthor: Mohamed Sonebi.

Rheological parameters of fresh concrete – comparison of rheometers The comparison of rheological parameters for 26 different types of fresh concrete, measured with two co-axial cylinder rheometers ConTec Viscometer 5 and ICAR Rheometer, is presented in the paper.

The consistency by slump test and flow table test was also by: 7. Torque rheometers can range in price from $35, to $40, for a basic batch-mixing model up to $, for a unit with a twin-screw extruder. Both capillary and torque rheometers typically provide data on viscosity and melt flow as material passes through the instrument.

The relative plastic viscosity of a suspension is defined as the ratio of the plastic viscosity of the whole suspension to the plastic viscosity of the embedding fluid matrix or medium.

In concrete, the embedding matrix can be defined as the mortar, while in mortar the matrix would be the cement paste. Rheometer Market Analysis 1 Table of Contents 2 Table of Figures 3 Abstract 5 1. Introduction 6 2. Background 7 History of the Rheometer 7 Types of Rheometers 8 Rheological Measurement 10 Marketing Concepts 12 Make vs.

Buy Decision Making Process 15 Industry Competition 18 Barriers to Industry Entry The two types of rheometers include rotational, or shear, rheometers, and extensional rheometers.

Shear rheometers utilize a controlled instrument, such as a pipe or rotational cylinder, to induce stress, whereas extensional rheometers monitor the applied stress of hydrogen onto the liquid.

Search the world's most comprehensive index of full-text books. My library. Annual Book of ASTM Standards,Am. Soc. Test. Mat., Easton, MD, to the numerical predictions obtained here when the pp.

85– yield stress decreases below the order of several hun- 7. Ferraris CF, Brower LE editors () Comparison of dreds Pa. concrete rheometers: International tests at LCPC (Nantes, France) in October,   [2] L.

Brower and C. F Ferraris, Comparison of Rheometers, Accepted for publication in Concrete International in April [3] ACI, Cement and Concrete Terminology, ACI Manual of Concrete PracticePart 1. concrete rheometer, in comparison with the slump test. The design of the high torque vane rheometer is inspired from the IBB and ICAR rheometers [22, 25, 26] and consists in the.

ing. A second round-robin test comparing concrete rheometers is being planned by American Concrete Institute (ACI) committee A in The results will be used to further improve this method.

Theoretical Approach Most rotational rheometers are based on the principle that the material is stirred at a controlled speed and the.