Microwave-Assisted Concrete Technology : Production, Demolition and Recycling book cover
1st Edition

Microwave-Assisted Concrete Technology
Production, Demolition and Recycling

ISBN 9781138748897
Published July 26, 2017 by CRC Press
264 Pages 158 B/W Illustrations

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Book Description

Microwave Technology: A Powerful Technique

The first book to combine microwave-assisted heating technology and concrete technology (covering production, demolition, and recycling), Microwave-Assisted Concrete Technology: Production, Demolition and Recycling explains the underlying concepts and fundamentals involved in the microwave-assisted heating of concrete. While most books on microwave heating focus on the behavior of microwaves, this text centers on the response of materials subjected to microwaves, and specifically concentrates on materials used in the concrete industry. A ready reference for the design of microwave-based equipment, the book describes how microwave-assisted heating technology may be harnessed in the production, demolition, and recycling of concrete. It covers microwave-assisted applications, the design concepts of microwave heating systems (generators and applicators) used in microwave-assisted concrete-processing methods, and process control techniques used to monitor the condition of concrete during the heating process.

Learn How to use the Microwave-Assisted Heating Process for Industry

The book is written from the perspective of modern practitioners in the construction industry, and addresses the technological, scientific, and environmental issues involved in replacing conventional approaches with microwave heating. The authors categorize the applications of microwave heating in concrete technology into three areas: microwave-assisted accelerated curing of concrete, microwave-assisted selective demolition and drilling of concrete, and the microwave-assisted recycling of concrete. They discuss sustainability and the environmental impact of incorporating sustainable concrete production, demolition, and recycling using microwave-assisted heating technologies, and environmentally friendly microwave heating applications.

This text covers:

  • The basics of concrete-microwave field interactions
  • Microwave-assisted concrete technologies for use in the production, demolition, and recycling of concrete as well as the control mechanisms required to ensure the efficiency of these methods
  • The design of microwave heating applicators

Microwave-Assisted Concrete Technology: Production, Demolition and Recycling does not require a familiarity with electromagnetism science and can be easily understood by civil engineers as well as by readers with little or no engineering background.

Table of Contents


Microwave heating

Applications of microwave heating in concrete technology

Fundamentals of microwave heating

Electromagnetic properties

Microwave heating mechanism

Electromagnetic power transfer

Penetration depth and attenuation factor

Formulation of microwave power dissipation (dielectric loss)

Heat transfer and temperature rise in microwave heating of concrete

Mass transfer phenomenon and the pore pressure development in microwave-heated concrete

Microwave heating safety



Microwave-assisted accelerated curing of precast concrete


Hydration of cement and strength development

Curing of concrete

Accelerated curing of precast concrete

Microwave curing of concrete



Microwave-assisted selective demolition of concrete


Applications of selective concrete removal techniques

State-of-the-art selective concrete demolition techniques

Microwave-assisted demolition of concrete

Configuration of microwave-assisted selective demolition tools

Working principles of microwave-assisted selective demolition of concrete

Microwave-assisted drilling of concrete



Microwave-assisted concrete recycling


State-of-the-art concrete-recycling technology

Properties of recycled concrete aggregates

Available standards for RCA

Main Factors lowering the quality of RCA

Elimination of impurities/contaminants

Removal of the adhering mortar



Process control in microwave heating of concrete


Temperature measurement in microwave heating of concrete

Temperature monitoring of microwave-assisted concrete processes



Microwave heating cavities and applicators


The main components of microwave heating systems

Microwave applicators: introduction and design basics

Applicators used in heating systems




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Dr. K.C. Gary Ong is an associate professor and deputy head (administration) in the Department of Civil and Environmental Engineering at the National University of Singapore. He is a past president of the Singapore Chapter of the American Concrete Institute, and of the Singapore Concrete Institute. His research interests include advanced composite materials, microwave-assisted concrete technology, durability and assessment of concrete structures, retrofitting, and sustainability; he has edited or coedited 18 conference proceedings and published more than 200 publications in journals and conference proceedings.

Dr. Ali Akbarnezhad is a lecturer in the School of Civil and Environmental Engineering at the University of New South Wales. His main areas of research include concrete technology, design for sustainability, sustainability assessment, construction technology, and information technology; he has published more than 30 papers in leading refereed journals and conference proceedings. He has been involved in microwave heating research and development for more than eight years and is the inventor of two microwave-assisted techniques.