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The subject of prestressing covers a process that is relatively new and the inventor and chief protagonist of which died only 20 years ago-Eugene Freyssinet. Indeed, the major innovations in prestressed concrete, and the notable structures that have resulted, have come about in the last 40 years or so; the ‘childhood’ will therefore deal only with a short time-span, up to about 20 years ago. F. Walley
The paper describes the design and construction of Adhamiyah Bridge over the River Tigris in Baghdad. Of steel construction acting compositely with a concrete deck, the cable-stayed bridge is the first of this type to be erected in the Middle East. D.J. Lee and A. Wallace
Foundations The piers of the main spans are founded on cast in situ cylinders which were constructed in open excavations except at the main tower pier no. 3 where a temporary cofferdam was required. The abutments are founded on precast concrete piles. Ismail. I. Al-Bayah and D.J. Lee