Alfred Steinle (1936-2017) turned the lecture notes of Prof. Dr.-Ing. Volker Hahn, which dated from the early 1970s, into a manuscript that became the starting point for this book. After a number of years in bridge-building, Alfred Steinle also became heavily involved in precast concrete construction at Züblin. His theoretical work covered bridge-building with torsion and section deformations in box-girder bridges and in precast concrete structures within the scope of the 6M system with corbels, notched beam ends and pocket foundations. In addition, he was a key figure in many precast concrete projects such as the 6M schools, the University of Riyadh, schools with foamed concrete wall panels in Iraq, Züblin House and the construction of a modern automated precasting plant. Alfred Steinle retired in 1999 and by that time he had risen to the post of authorised signatory in the engineering office at Züblin's head office.Hubert Bachmann (b. 1959) began his career in a precasting plant in 1976 as an apprentice for concrete and precast concrete construction. After studying structural engineering and completing his doctorate at the University of Karlsruhe, he accepted a post in the structural engineering office of Ed. Züblin AG in Stuttgart in 1993, where he has worked ever since. His duties have included the detailed design of structures of all kinds plus research and development in the civil and structural engineering sectors. He has been presenting the series of Hahn lectures on precast concrete structures at the University of Stuttgart since 2003.Mathias Tillmann (b. 1970) has been an engineering and standards consultant at Fachvereinigung Deutscher Betonfertigteilbau e.V. (FDB) since 2007 and technical director since 2008. He specialised in structural engineering during his studies at RWTH Aachen University. After attaining his diploma, he worked as a project engineer, structural engineer and designer. Mathias Tillmann has written numerous brochures, advisory documents and specialist articles on the subject of precast concrete. All three authors have been or still are verymuch involved in construction industry organisations, many technical boards and national and international standards committees concerned with precast concrete construction.|Dr.-Ing. Alfred Steinle (1936-2017) war bei der Ed. Züblin AG im Brückenbau und später vorwiegend auf dem Gebiet des Fertigteilbaus tätig. Er beendete 1999 seine berufliche Laufbahn als Prokurist im Technischen Büro der Hauptverwaltung der Ed. Züblin AG. Dr.-Ing. Hubert Bachmann ist nach dem Bauingenieurstudium und anschließender Promotion an der Universität Karlsruhe (TH) seit 1993 im Technischen Büro Konstruktiver Ingenieurbau (TBK) der Ed. Züblin AG in Stuttgart tätig. Seine Aufgabenbereiche umfassen Ausführungsplanungen von Ingenieurbauten aller Art sowie die Forschung und Entwicklung im Hoch- und Ingenieurbau. Dipl.-Ing. Mathias Tillmann war nach dem Studium des Bauingenieurwesens an der RWTH Aachen als Projektingenieur, Tragwerksplaner und Konstrukteur tätig. Seit 2007 ist er bei der Fachvereinigung Deutscher Betonfertigteilbau e.V. (FDB) für den Bereich Technik und Normung zuständig.Alle drei Verfasser waren bzw. sind in den Verbänden der Bauindustrie in technischen Gremien und in nationalen und internationalen Normenausschüssen engagiert.