Structural engineering is a branch of civil engineering that is concerned with the calculation and analysis of strength, stability and rigidity of concrete structures. It uses the techniques and principles of applied mechanics, mathematics and materials science to study how structures support their own weight along with imposed loads. An understanding of the structural performance of different materials and geometries is vital for the construction of structural systems. The creative manipulation of resources, materials and structural elements is an important dimension of this field. Specializations in structural engineering may exist for particular structures such as building, earthquake engineering, civil engineering, mechanical structures, pipelines, tunnels and bridges, among others. This textbook is a compilation of chapters that discuss the most vital concepts in the field of structural engineering. Different approaches, evaluations, methodologies on structural engineering have been included in this book. This book will serve as a reference to all structural and civil engineers, architects and students.