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Lightweight Aggregate Concrete - 1st Edition - ISBN: 9780815514862, 9780815518204

Lightweight Aggregate Concrete

1st Edition

Authors: Satish Chandra Leif Berntsson
eBook ISBN: 9780815518204
Hardcover ISBN: 9780815514862
Imprint: William Andrew
Published Date: 28th October 2002
Page Count: 450
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Description

In spite of the increasing use and demand for lightweight aggregate concrete (LWAC), there is still a lack of adequate explanations to understand the mechanisms responsible for the strength and durability properties of LWAC. This book is written to give an overall picture of LWAC, from the historical background, aggregate production, proportioning and production of concrete, to applications in structures. Physical properties and chemical durability are described in detail. The physical properties include density, strength, shrinkage, and elasticity. Chemical durability includes resistance to acids, chloride ingress, carbonation, and freeze-thaw resistance. Fire resistance is also included, which is seldom considered, but is a very important aspect of the safety of the structure.

Microstructure development and its relation to the durability properties of LWAC generally are not highlighted in the literature. The development of bonds, the microstructure with different binder systems, and different types of lightweight aggregates are explained. They show how lightweight aggregate concrete differs from normal weight concrete. The chapters on chloride ingress and freeze-thaw resistance are detailed because of the use of LWAC in offshore construction.

The economical aspects of using LWAC are also reviewed. Emphasis is placed on the fact that although the cost of LWAC is high, the total cost of construction has to be considered, including the cost of transport, reinforcement, etc. When these are considered then LWAC becomes cheaper and attractive. The life cycle cost of the concrete is another consideration for calculating long-term savings on maintenance costs.

Readership

Scientists, researchers, engineers and technicians in the concrete industry. Also useful for architects and materials engineers.

Table of Contents

Historical Background of Lighweight Aggregate Concrete
Introduction
Lightweight Aggregates
Concluding Remarks
Production of Lightweight Aggregates and Its Properties
Introduction
Industrial Kilns
Natural Lightweight Aggregates
Production Techniques
Concluding Remarks
Supplementary Cementing Materials
Introduction
High Performance Cement
Mineral Admixtures
LWAC With a Mineral Admixture
Superplasticizers
Concluding Remarks
Mix Proportioning
Introduction
Mix Proportioning of No-Fines LWAC
Mix Proportioning of Structural Lightweight Aggregate Concrete
Concluding Remarks
Production Techniques
Introduction
Lightweight Aggregate and Its Supply
Remarks on Mix Design
Batching
Transportation and Placing of Concrete
Testing of LWAC Related to Production
Concluding Remarks
Lightweight Aggregate Concrete Microstructures
Interfaces in Concrete
Pore Structure of Lightweight Aggregate
Microstructure of the Interfacial Transition Zone
Inter-relation of Microstructure and the Strength of LWAC
Concluding Remarks
Physical Properties of Lightweight Aggregate Concrete
Introduction
Density and Strength
Elastic Compatibility and Microcracking Shrinkage and Creep of LWAC
Thermal Conductivity of LWAC
Abrasion Resistance
Concluding Remarks
Durability of Lightweight Aggregate Concrete to Chemical Attack
Introduction
Acid Resistance
Alkali-Aggregate Reaction
Carbonation and Corrosion
Chloride Ion Penetration
Fire Resistance of Lightweight Aggregate Concrete
Introduction
Behavior of Concrete at Elevated Temperature
Fire Test of LWAC
Fire Protection
Concluding Remarks
Freeze-Thaw Resistance of Lightweight Aggregate Concrete
Introduction
Hydrostatic Pressure
Osmotic Pressure
Scaling Mechanism
Freeze-Thaw Resistance of LWAC
Field Tests
Concluding Remarks
Applications of Lightweight Aggregate Concrete
Lightweight Concrete and Thermal Insulation
Lightweight Aggregates - Horticulture Applications
LWAC in Shipbuilding
LWAC in the Building Industry
Advantages and Disadvantages of Using LWAC
Economical Aspects of Using LWAC
Examples of Applications
Glossary
Index

Details

No. of pages:
450
Language:
English
Copyright:
© William Andrew 2002
Published:
28th October 2002
Imprint:
William Andrew
eBook ISBN:
9780815518204
Hardcover ISBN:
9780815514862

About the Authors

Satish Chandra

Leif Berntsson

Ratings and Reviews