238.1R-08 Report on Measurements of Workability and Rheology of Fresh Concrete

238.1R-08 Report on Measurements of Workability and Rheology of Fresh Concrete

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Description

This report provides a comprehensive view of workability of fresh concrete and a critical review of the tests available to measure workability and rheological performance of fresh concrete. The report discusses the factors affecting the performance of fresh concrete and provides a better understanding of the issues related to the design of workable concrete, from no flow (zero-slump) to flow like a liquid (self-consolidating concrete).

Keywords: rheological measurements; rheology; workability; workability measurements.

Document Details

Author: ACI Committee 238

Publication Year: 2007

Pages: 70.00

ISBN: 9780870312687

Categories: Materials

Formats: PDF

Table of Contents

Chapter 1—Introduction

Chapter 2—Rheological terms related to concrete

2.1—Notation

2.2—Definitions

2.3—Shear flow curves

Chapter 3—Test methods

3.1—Introduction

3.2—Principles of measurements

3.3—Description of existing test methods

3.4—Criteria for evaluating test methods

Chapter 4—Factors affecting workability of concrete

4.1—Introduction

4.2—Effects of cement

4.3—Effects of water content

4.4—Effects of aggregates

4.5—Effects of chemical admixtures

4.6—Effects of supplementary cementitious materials

4.7—Effect of mixing procedure

4.8—Effects of temperature and time

Chapter 5—Examples of using workability test methods

5.1—Use of gyratory tester to measure workability of noslump concrete

5.2—Using rheological measurements to solve problem with flooring grouts

5.3—Measuring batch-to-batch consistency of selfconsolidating concrete

5.4—Troubleshooting self-consolidating concrete mixtures

5.5—Use of rheological approach to optimize cement based grout for underwater crack injection of damaged bridge

Chapter 6—References

6.1—Referenced standards and reports

6.2—Cited references

ERRATA INFO

Any applicable errata are included with individual documents at the time of purchase. Errata are not included for collections or sets of documents such as the Manual of Concrete Practice (MCP). For a listing of and access to all product errata, visit the Errata page.

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