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Construction and Geometric Control of the Baluarte Cable-Stayed Bridge, Mexico

 Construction and Geometric Control of the Baluarte Cable-Stayed Bridge, Mexico
Author(s): , , , ,
Presented at IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014, published in , pp. 676-683
DOI: 10.2749/222137814814066753
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The Baluarte is the most remarkable bridge on the new Durango-Mazatlán highway, and was opened to traffic in October 2013. The bridge is cable-stayed with a total length of 1124 m, the main span i...
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Bibliographic Details

Author(s):





Medium: conference paper
Language(s): English
Conference: IABSE Symposium: Engineering for Progress, Nature and People, Madrid, Spain, 3-5 September 2014
Published in:
Page(s): 676-683 Total no. of pages: 8
Page(s): 676-683
Total no. of pages: 8
Year: 2014
DOI: 10.2749/222137814814066753
Abstract:

The Baluarte is the most remarkable bridge on the new Durango-Mazatlán highway, and was opened to traffic in October 2013. The bridge is cable-stayed with a total length of 1124 m, the main span is 520 m long. It is the highest cable-stayed bridge in the world, with a maximum drop of

402.5 m from the deck level to the bottom of the Baluarte river. The access viaducts have a concrete deck, and were built by the symmetrical cantilever method. The highest pile of the viaduct is 147.5 m high. The main deck is made of composite material (steel/concrete), and was erected by the cantilever method. The bridge’s site is very complex from the topographical and geotechnical points of view. It crosses the steepest part of the Sierra Madre Oriental in the north of Mexico. This region is also prone to high-speed winds caused by hurricanes. This paper presents the main characteristics of the bridge, the technical challenges and main stages of its construction. The erection methods and geometric control of its deck are also presented. And lastly, a comparison between the results of analytical models of staged construction, and the actual measurements of the bridge’s deflections, is made.

Keywords:
prestressed concrete pylon composite deck Geometric control Cable-Stay

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