Where Two Curves Meet--The Ayalon Freeway and the Haifa-Jerusalem Railroad

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Title: Where Two Curves Meet--The Ayalon Freeway and the Haifa-Jerusalem Railroad

Author(s): Eliezer Shamir

Publication: Concrete International

Volume: 14

Issue: 6

Appears on pages(s): 36-39

Keywords: box beams; bridge foundations; columns (supports); expressways; piles; polystyrene; railroad bridges; railroads; skew bridges; structural design; Design

Date: 6/1/1992

Abstract:
During construction of the Ayalon Freeway in Israel, the new northbound lanes had to cross under the existing Haifa-Jerusalem railway track at about a 20 deg skew angle. The road and the railway both are curved. A single track, three span railway bridge was designed to match the alignment and levels of the existing rails. The 104 m long bridge is a curved, continuous-box-girder bridge that was cast in place and post-tensioned.