Title: Long-Term Field Study of Stresses in a Post-Tensioned Concrete Girder Bridge

Author(s): Joseph D. Marks and Oswin Keifer, Jr.

Publication: Symposium Paper

Volume: 23

Issue:

Appears on pages(s): 631-654

Keywords: age; bridges (structures); creep (materials); field tests; friction; girders;; instrumentation; modulus of elasticity; post-tensioning; prestress losses; prestressed concrete; prestressing steel; reinforcing steel; shrinkage; strains; stresses

DOI: 10.14359/17258

Date: 1/1/1969

Abstract:
Six typical, simple-span, post-tensioned concrete girders of the Power Structures Intake Bridge at Oahe Dam, Pierre, South Dakota, were instrumented for study of prestress losses.