Unlike in Europe, prestressed concrete with post-tensioned reinforcement came to be a
standard technique in building construction in the US. Kenneth Bondy has been the only one
who has made a significant contribution to clarify why this occurred, by writing about his
insights on the origins of post-tensioned floors in the United States. His vision is completed
here with new data and put into context. Moreover, the American and European situations are
compared in an attempt to explain why things developed so differently on each side of the
Atlantic.Peer ReviewedPostprint (published version