Rapid Bridge Deck Replacement PDF Download
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Author: Roberto Alejandro Osegueda
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 452
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Book Description
Author: Roberto Alejandro Osegueda
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 452
Get Book Here
Book Description
Author: Roberto Alejandro Osegueda
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 88
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Book Description
This report describes a full-size field demonstration of a rapid bridge deck replacement concept put forward several years ago. The concept was to utilize a sand mortar made with a rapid setting epoxy to provide the shear tie between precast concrete deck panels and existing steel stringer beams. The demonstration site was a 50 ft simple span that serves as part of the SPUR 326 overpass over the AT & SF railroad tracks in downtown Lubbock, Texas. The demonstration bridge is one of two identical bridges, side-by-side; the other was redecked using a conventional poured-in-place technique. Eight precast panels, each 6 ft 3 in. x 45 ft x 8 in., were used to form the experimental deck. Each panel was cast with blockouts (holes) positioned directly over the supporting steel beams. When the original concrete deck was removed, the steel shear studs were cut away leaving the top of the flanges of the steel beams clean and flat. The precast panels were then positioned atop of the steel in an operation lasting less than 5 hours, the new steel studs were welded into place through the blockouts in about 4 hours, and then the panels were epoxied into place in less than 2 full working days.
Author: Maher K. Tadros
Publisher: Transportation Research Board
ISBN: 9780309062602
Category : Technology & Engineering
Languages : en
Pages : 64
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Book Description
Author: Annabelle Allen
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 25
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Book Description
Author: David Lawrence Salzer
Publisher:
ISBN:
Category :
Languages : en
Pages : 284
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Book Description
Author:
Publisher:
ISBN:
Category :
Languages : en
Pages : 390
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Book Description
Author: Adam M. Miller
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 0
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Book Description
Bridge deck expansion joints are used to allow for movement of the bridge deck due to thermal expansion, dynamics loading, and other factors. More recently, expansion joints have also been utilized to prevent the passage of winter de-icing chemicals and other corrosives applied to bridge decks from penetrating and damaging substructure components of the bridge. Expansion joints are often one of the first components of a bridge deck to fail and repairing or replacing expansion joints are essential to extending the life of any bridge. In the Phase I study, the research team focused on the current means and methods of repairing and replacing bridge deck expansion joints. Research team members visited with Iowa Department of Transportation (DOT) Bridge Crew Leaders to document methods of maintaining and repairing bridge deck expansion joints. Active joint replacement projects around Iowa were observed to document the means of replacing expansion joints that were beyond repair, as well as, to identify bottlenecks in the construction process that could be modified to decrease the length of expansion joint replacement projects. After maintenance and replacement strategies had been identified, a workshop was held at the Iowa State Institute for Transportation to develop ideas to better maintain and replace expansion joints. Maintenance strategies were included in the discussion as a way to extend the useful life of a joint, thus decreasing the number of joints replaced in a year and reducing the traffic disruptions.
Author: HNTB Corporation, Genesis Structures Inc, Structural Engineering Associates, and Iowa State University
Publisher: Transportation Research Board
ISBN: 0309274109
Category :
Languages : en
Pages : 976
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Book Description
This report from the second Strategic Highway Research Program (SHRP 2), which is administered by the Transportation Research Board of the National Academies, documents the development of standardized approaches to designing and constructing complete bridge systems for rapid renewals.
Author: Stephen McRae
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 376
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Book Description
Author: John D. Wenzlick
Publisher:
ISBN:
Category : Bridges
Languages : en
Pages : 26
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Book Description
The deck to be replaced in this project was on the Nemo Bridge, built in 1960 by the U.S. Army Corps of Engineers over Pomme De Terre Lake. This 1698-ft-long steel bridge had wide flange girders with a 7-in.-thick composite reinforced concrete deck only 22 ft wide. A precast deck system, using 10-ft-long precast sections with the barrier attached, allowed overnight replacement of a least 30 ft of bridge deck per night.
