Preface

As the world moves further into urbanization, there is a greater need for construction materials to meet society's needs.

As natural resources become scarce, the use of recycled materials for construction purposes has become increasingly common. Over the past decade, there has been a significant increase in the utilization of recycled materials in the construction industry. Natural resource depletion, the increasing cost of quarrying, and materials transportation have caused an increase in the cost of natural materials. Therefore, if the use of recycled materials in the construction industry can be justified, it will result in substantial advantages in structure and infrastructure construction coupled with a reduction in the construction cost as well as an improvement in sustainability.

The use of recycled materials in civil projects is not a recent development. In fact, the utilization of recycled materials in construction has a long history. However, finding innovative uses for recycled materials is one of the current priorities in the construction industry.

The aim of compiling this book has been to familiarise the reader with some innovative and alternative construction materials used in civil engineering. The book includes information on using hybrid aggregates, recycled sand, and biocemented sands in construction projects.

The editors gratefully acknowledge the contribution of authors and the help of IntechOpen staff in the preparation of this book.

**II**

**Section 4**

Bio-Cemented Sands **107**

**Chapter 6 109**

Geomechanical Behavior of Bio-Cemented Sand for Foundation Works

*by Youventharan Duraisamy and David Airey*

**Saeed Nemati** Western Sydney University, Australia

**Farzaneh Tahmoorian** Central Queensland University, Australia

**1**

Section 1

Construction Application

of Recycled Sands
