post-tensioned concrete slabs

huangyhg

post-tensioned concrete slabs
hi. i was wondering does anyone know the following:
1. who is the "father" of post tensioning. who came up with the theory behind it?
2. where was it first put to use? i know it was 1957 (from faq forum) and in the usa, but not where.
check out our whitepaper library.
eugene freyssinet proposed the method of overcoming prestress losses through the use of high-strenght steel cables. ty lin developed the load-balancing method, which simplified the design effort.