1st Edition
Microwave-Assisted Concrete Technology Production, Demolition and Recycling
Introduction
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
Summary
References
Microwave-assisted accelerated curing of precast concrete
Background
Hydration of cement and strength development
Curing of concrete
Accelerated curing of precast concrete
Microwave curing of concrete
Summary
References
Microwave-assisted selective demolition of concrete
Introduction
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
Summary
References
Microwave-assisted concrete recycling
Introduction
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
Summary
References
Process control in microwave heating of concrete
Introduction
Temperature measurement in microwave heating of concrete
Temperature monitoring of microwave-assisted concrete processes
Summary
References
Microwave heating cavities and applicators
Introduction
The main components of microwave heating systems
Microwave applicators: introduction and design basics
Applicators used in heating systems
Summary
References
Index
Biography
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.
