Advances in Ready Mixed Concrete Technology

Advances in Ready Mixed Concrete Technology

Proceedings of the First International Conference on Ready-Mixed Concrete Held at Dundee University, 29th September – 1st October 1975

1st Edition - January 1, 1976

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  • Editor: Ravindra K. Dhir
  • eBook ISBN: 9781483151618

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Description

Advances in Ready Mixed Concrete Technology contains the proceedings of the first International Conference on Ready-Mixed Concrete held at Dundee University in Scotland from September 29 to October 1, 1975. Contributors focus on the significant progress that has been made in ready mixed concrete technology. Some practices are highlighted along with possible areas for research. This text is organized around seven themes; the first of which deals with plant and equipment. Production methods and their development in the ready mixed concrete industry are reviewed, along with developments in batching plant and equipment to meet the needs of the ready mixed concrete industry. The chapters that follow explore the materials used in making concrete, properties of fresh and hardened concrete, mix design and quality control, and transportation and placing. The final section discusses the economics of ready mixed concrete, with emphasis on the cost of placing concrete by pump and the relative economics of alternative materials in Portland cement concrete. This book will be of interest to ready mixed concrete producers, their customers in the construction industry, and their suppliers of concrete materials, plant, and equipment.

Table of Contents


  • Foreword

    Organizing Committee

    Advisory Committee

    Opening Addresses

    Opening of the Conference

    Ready Mixed Concrete and Its Role in the Construction Industry

    Theme 1 Plant and Equipment

    A Review of Production Methods and Their Development in the Ready Mixed Concrete Industry

    Developments in Batching Plant and Equipment to Meet the Needs of the Ready Mixed Concrete Industry

    Recent Development of Ready Mixed Concrete Batching Plant

    Development of Truck Mixers Due to Demands Made by the Ready Mixed Concrete Industry

    Removal of Effluent and Water Re-cycling in Concrete Works

    Discussions

    Theme 2 Concrete Materials

    Natural Aggregates for Ready Mixed Concrete

    The Use of Moderate to High Shrinkage Aggregates for Making Concrete

    A Modern Approach to Fly-Ash in Concrete

    The Use of Pozzolanic and Other Admixtures in Preblended Cement and Grouts

    The Facts about Lightweight Concrete

    Admixtures for Concrete in the Ready Mixed Concrete Environment

    Flowing Concrete and Its Values

    Steel Fiber Concrete in the Ready Mixed Industry

    Discussions

    Theme 3 Properties of Fresh and Hardened Concrete

    Fresh Concrete and the Workability Problem

    Workability of Concrete-A Testing Method

    "K" Slump Tester

    Plasticizing Admixtures in Corresponding Mixes

    Core-Cube Relationships of Plain Concrete

    Discussions

    Theme 4 Specifications and Compliance Procedures

    Uses and Limitations of Specifications

    Specifications and Compliance—A Ready Mixed Concrete Suppliers Point of View

    Consulting Engineers Approach to Ready Mixed Concrete

    BRMCA Code for Specification and Compliance

    Theme 5 Mix Design and Quality Control Mix Design for Local Materials

    A Method for the Selection of Concrete Mix Proportions Incorporating Fly Ash Pozzolans

    The Mix Design and Properties of Pumped Concrete

    Quality Control of Ready-Mixed Concrete

    The Variation in the Compressive Strength of Ready Mixed Concrete

    Harmonizing Production Control and Specification Procedures

    Accelerated Strength Testing

    How Soon is Soon Enough?

    Discussions

    Theme 6 Transportation and Placing

    Transportation Effects on Concrete Workability

    Losses in Air Content during Transportation

    Effects of Improper Handling of Ready-Mixed Concrete

    Modem Mobile Concrete Pumps

    High Pressure Concrete Pumps

    Surface Preparation and Surface Treatment of Concrete

    Pumpable Concrete and Concrete Pumping

    Continuous Casting—Large, Rich, Quick

    Discussions

    Theme 7 The Economics of Ready Mixed Concrete

    Getting the Sums Right

    The Cost of Placing Concrete by Pump

    The Relative Economics of Alternative Materials in Portland Cement Concretes

    Discussions

    Closing Discussions

    List of Participants

    List of Exhibitors

    Index of Authors and Contributors


Product details

  • No. of pages: 516
  • Language: English
  • Copyright: © Pergamon 1976
  • Published: January 1, 1976
  • Imprint: Pergamon
  • eBook ISBN: 9781483151618

About the Editor

Ravindra K. Dhir

Ravindra Kumar Dhir OBE is an honorary professor of concrete engineering, University of Birmingham, United Kingdom; adjunct professor at Trinity College Dublin, Ireland, and emeritus professor of concrete technology, University of Dundee, United Kingdom, where he held the position of founding director of the Concrete Technology Unit (1988-2008) and developed it into an internationally acknowledged Centre of Excellence. His approach to research is visionary and creative, and by working closely with industry, he ensured a meaningful dissemination of his research into practice. He won many awards and honours,including the Order of the British Empire for services to concrete technology from the Queen (1998), Secretary of State for Trade and Industry for innovative partnership with

industry (1989 and 1990 consecutively) and honorary fellowships from the Institute of Concrete Technology, United Kingdom; Indian Concrete Institute. He served on numerous technical committees, including as president of the Concrete Society (2009-2010) and on the editorial board of the Magazine of Concrete Research.

Affiliations and Expertise

Professor of Concrete Engineering, University of Birmingham, UK

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