Many people have helped me with my doctoral studies throughout the last few years. Their contribution was fundamental in reaching the goals of my research at Universidad Politécnica de Madrid. Especially, I express my gratitude to the following people and organizations:M. Dolores G. Pulido, for her ideas and guidance as an advisor during this project. Loli brought me into the field of composite materials, and it has been a great pleasure to work with her. Her enthusiasm and determination have helped my academic and personal life.José M. Goicolea Ruigómez, for his time and patience in guiding me as an advisor in my doctoral studies. His knowledge, suggestions and opinions about structural bridge dynamics were crucial to complete and enhance the results delivered in this research.Iván Muñoz Díaz, for his advice and insights, which allowed me to achieved the goals of this thesis. I highly appreciate the discussions we had about designing experiments and tackling human-induced vibrations. Certainly, the successful completion of my studies was thanks to his contribution.