出版社：Consejo Superior de Investigaciones Científicas
摘要：The functionality is the main aspect of the urban area of the twin towers located at the end of the "Paseo de la Castellana" (Madrid). With a tilting of 15º over the vertical and crossing directions, such architectonic area is detached for its place and design of facilities and installations. The structural system is very complex due to the high technology applied for its construction, what made very difficult the ending of project. The "Puerta de Europa" towers will be used for office rental and they are (due to the structural system and quality of construction materials used) one of the most important buildings due to not only to the quality of materials and design, but also due to their security and control centralized systems.
