Title:
Red Line South. Doha Metro (Qatar). Complex cast-in-situ structures
Author(s):
Jordi Revoltós Fort, Javier Antón Díaz, Silvia Criado Catalina, Juan Miguel Cereceda Boudet, Manuel Palomo Herrero
Publication:
ACHE
Volume:
68
Issue:
282
Appears on pages(s):
129 - 138
Keywords:
Variable width, Metro, Open section, Variable depth, Staged structure
DOI:
Date:
5/1/2017
Abstract:
The Doha Metro Red Line South runs on a viaduct along most of the line. At the beginning, the design consisted of typical precast spans, but external constraints made complex structures necessary. For this reason, several cast in-situ bridges were built. Some of them have variable width (either simply-supported decks or continuous ones up to three spans), whereas other bridges are of variable depth, so they can reach 59m for a double track section and 75m for single track. The most complex bridge is the variable-depth one for the double track railway because the structural behaviour depends on several resistant mechanisms.
ACI International Partner, ACHE Spain, International Partner Access
View Resource »