<p>This book aims to promote the study research and applications in the design assessment prediction and optimal management of life-cycle performance safety reliability and risk of civil structures and infrastructure systems. The contribution in each chapter presents state-of-the-art as well as emerging applications related to key aspects of the life-cycle civil engineering field. </p><p></p><p>The chapters in this book were originally published as a special issue of <em>Structure and Infrastructure Engineering.</em> </p>