Improving Concrete Quality – Karthikeyan H. Obla

Contents

Chapter 1 How Good Is Your Quality?

Chapter 3 Variation in Concrete Strength Due to Water and Air Content

Chapter 4 Mixing-Water

Chapter 5 Variation in Concrete Strength and Air Content Due to Fly Ash

Chapter 6 Variation in Concrete Performance Due to Aggregates

Chapter 7 Basic Statistics

Chapter 8 Variation in Concrete Performance Due to Batching

Chapter 9 Variation in Concrete Performance Due to Manufacturing

Chapter 10 Variation in Concrete Performance Due to Testing

Chapter 11 Internal Concrete Testing

Chapter 12 Using Job-Site Test Results for Improving Concrete Quality

Chapter 13 Impact of Specifications on Concrete Quality

Chapter 14 Impact of Concrete Quality on Sustainability

Chapter 15 Elements of a Quality Management System for a Concrete Producer

Appendix A—Submittal Requirements and Acceptance According to the ACI 318 Building Code

Appendix B—Calculation of Strength Variation from Water Content Variation

Appendix C—FLYASH Tests (NRMCA Draft Standard Practice 1988)

Appendix D—Initial Curing of Acceptance Test Cylinders and Transportation (NRMCA ASCC Checklist

Appendix E—Outline of Training Requirements

Appendix F—Checklist for Laboratories Used for Mixture Development

Appendix G—Preventive Equipment Maintenance

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