Vol. 3, No. 4, pp. 752-764(2007)
STRUCTURE, DESIGN AND CONSTRUCTION OF A STEEL ORTHOTROPIC BRIDGE IN SOFIA
D. Partov 1,* and D. Dinev 2,#
1Assoc. Professor, Higher School of Construction Engineering “L. Karavelov”, Bulgaria
* (Corresponding author: E-mail: This email address is being protected from spambots. You need JavaScript enabled to view it.)
2Assist. Professor, Univ. of Architecture, Civil Engineering and Geodesy, Bulgaria
#This paper is dedicated to assoc. prof. B. Bankov for his numerous contributions to the bridge design and construction in Bulgaria
Received: 30 August 2006; Revised: 5 April 2007; Accepted: 22 June 2007
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ABSTRACT
In this paper the conceptual design and technology of construction of a steel orthotropic 90 m long bridge in Sofia, Bulgaria is presented. The steel bridge is part of a multi-span reinforced concrete (R/C) bridge with a total length of 2114 m, a total width of 21.5 m and an average height above the ground of about 10 m. In transverse direction the orthotropic bridge is built with two individual parallel triple-box decks for two-way traffic. Each deck has a 7.5 m wide roadway with two lanes. The bridge is analysed as a frame structure using the finite element method. The design parameters of the bridge are verified by static and dynamic tests.
KEYWORDS
Steel bridge, orthotropic plate, box girder
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