Title: A Continuous Composite Steel-Concrete Bridge Prestressed by Deformations at the Interior Supports

Author(s): Carl Berwanger

Publication: Symposium Paper

Volume: 26

Issue:

Appears on pages(s): 818-873

Keywords: bridges (structrures); composite construction (concrete and steel); concrete slabs; continuity (structural); deformation; girders; jacking; prestressing; research; strain gages; strains; structural analysis; structural steels; temperature

DOI: 10.14359/18002

Date: 1/1/1971

Abstract:
This paper presents the analysis of the strains measured during the lowering of the bridge superstructure, when the prestressing of the bridge occurred. The calculated strains were based on the normal assumptions of composite behavior of the steel girder and the reinforced concrete slab.