211.8R-15 Guide to Troubleshooting Concrete Mixture Issues as Influenced by Constitutive Materials, Jobsite Conditions

211.8R-15 Guide to Troubleshooting Concrete Mixture Issues as Influenced by Constitutive Materials, Jobsite Conditions

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Description

This guide describes adjustments that can be made to existing proportions for normal-density concrete with and without chemical admixtures, pozzolans, and slag. These adjustments are based on the performance of the concrete mixture as used in construction. The adjustments consider evaluation for placeability, consistency, strength, and durability. The procedures used in making these adjustments can be found in ACI 211.1. Adjustments to concrete mixture proportions or sources may require resubmittal to the design professional as detailed in ACI 301. This guide also provides information regarding jobsite conditions and testing practices that should be evaluated before adjustments are made to the mixture.

Keywords: admixtures; aggregates; cementitious materials; durability; fine aggregates; fly ash; metakaolin; mixture proportioning; pozzolans; quality; silica fume; slag; slag cement; slump tests; water-cementitious material ratio.

 

Document Details

Author: ACI Committee 211

Publication Year: 2015

Pages: 9.00

ISBN: 9781942727262

Categories: Mixture Proportioning

Formats: Printed Document, PDF, ePub, or Kindle

Table of Contents

CHAPTER 1—INTRODUCTION AND SCOPE

1.1—Introduction

1.2—Scope

CHAPTER 2—DEFINITIONS

CHAPTER 3—REASONS FOR ADJUSTING MIXTURE PROPORTIONS

CHAPTER 4—REFERENCES

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