4 edition of Long-term rehabilitation of salt-contaminated bridge decks found in the catalog.
Long-term rehabilitation of salt-contaminated bridge decks
by Transportation Research Board, National Research Council in Washington, D.C
Written in English
|Statement||J.A. Manson ... [et al.] ; research sponsored by the American Association of State Highway and Transportation Officials in cooperation with the Federal Highway Administration.|
|Series||National Cooperative Highway Research Program report,, 257, Report (National Cooperative Highway Research Program) ;, 257.|
|Contributions||Manson, John A., 1928-, American Association of State Highway and Transportation Officials., United States. Federal Highway Administration.|
|LC Classifications||TE7 .N25 no. 257, TG340 .N25 no. 257|
|The Physical Object|
|Pagination||32 p. :|
|Number of Pages||32|
|LC Control Number||83070730|
bridge decks, (b) to provide recommendations for effective mitigation of early-age cracking, (c) to assess the effect of cracks on the long-term durability and performance of concrete bridge decks, and (d) to identify the best and most cost-effective (on a life-cycle cost basis) remediation practices. increase bridge deck life, reduce agency and user costs associated with bridge deck rehabilitation and maintenance, and thus lower the financial needs for long‐term preservation of bridges. Key Words corrosion‐resistant reinforcing steel, stainless steel reinforcing.
The Economy of Better Bridge Decks Bridge Decks: Design, Construction, Rehabilitation, Replacement May The Other Bridge Decks. Bridge Decks: Design, Construction, Rehabilitation, Replacement May Optimal Long‐Term Scheduling of Bridge Deck Replacement and Rehabilitation. Journal of Transportation Engineering March DESiGN GUiDE FOR BRiDGES FOR SERviCE LiFE decisions made during the design and detailing of the bridge deck, fabrication and manufacturing requirement, quality of construction, and decisions concerning the level of inspection and testing performed during future operation and maintenance. Design and Detailing Bridge-Deck.
Evaluation, repair and rehabilitation of bridges are increasingly important topics in the effort to deal with the deteriorating infrastructure. For example, in the United States about 40 percent of the nation's , bridges are classified, according to the Federal Highway Administra tion's (FHW A) criteria, as deficient and in need of. Bridge Deck Rehabilitation Decision Making PHILIP D. CADY ABSTRACT Policies for the protection, repair, rehabilitation, and replacement of con crete bridge decks were investigated, with the goal of providing recommenda tions based on minimum life-cycle costs. Present policies in most states con.
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Additional Physical Format: Online version: Long-term rehabilitation of salt-contaminated bridge decks. Washington, D.C.: Transportation Research Board, National Research Council, .
Concrete Bridge Decks-Typical Conditions and Repairs. Long-Term Programs for Salt-Contaminated Bridge Decks. Wearing Surfaces.
Steel Beams and Girders—Problems and Repairs. Prestressed Concrete Beams. Deck Joints. Bearing Assemblies. Curbs, Sidewalks, and Railings. Geometric Deficiencies.
Effects of Overload on Deterioration of Concrete Bridges. the only rehabilitation technique that has been proven to stop corrosion in salt-contaminated bridge decks regardless of the chloride content of the concrete.
This technology is based on the principle of applying an external source of current to counteract the internal corrosion current produced in reinforced concrete components. o Long-term rehabilitation: the system is most effective for if a long-term repair (5 to 10 years) is desired.
o Electrical continuity: a closed electrical circuit is required for proper functioning of the system. o Chloride concentrations: if the levels are in sufficient concentration toFile Size: 2MB.
OPTIMAL LONG-TERM SCHEDULING OF BRIDGE-DECK REPLACEMENT AND REHABILITATION. The paper presents a () binary decision model to determine optimal long-term deck replacement or rehabilitation schedules for a system of independent bridges. The model is applicable to multiple decks and is driven by over-all long-term cost considerations.
TECHNIQUES AND SOLUTIONS FOR REHABILITATION OF ORTHOTROPIC STEEL BRIDGE DECKS IN THE NETHERLANDS. P.D. Boersma1, F.B.P. de Jong. Ministry of Transport, Public Works and Water Management. Directorate-General of Public Works and Water Management. Civil Engineering Division.
P.O AB Zoetermeer, The Netherlands. GUIDELINES FOR SELECTION OF BRIDGE DECK OVERLAYS, SEALERS AND TREATMENTS Requested by: National Cooperative Highway Research Program (NCHRP) Transportation Research Board of The National Academies Prepared by: Paul D.
Krauss, John S. Lawler, and Kimberly A. Steiner Wiss, Janney, Elstner Associates, Inc. Northbrook, Illinois "Long Term Durability of Structural Materials" features proceedings of the workshop held at Berkeley, CA in October, It brought together engineers and scientists, who have received grants from the initiative NSFto share their results on the study of long-term durability of materials and structures.
Quick assembly of bridges has advanced in the recent years, in part through the use of superstructure proprietary systems for new bridges and bridge rehabilitation, such as: CONSPAN: A complete assembled small-span reinforced concrete bridge.
Inverset: The method uses composite rolled steel joists and concrete deck panels. Prefabricated deck panels for three single-span Route 1 bridges. Based on actual bridge data, the authors conducted a 7-year in situ mechanical performance test and follow-up investigation on the service conditions of the orthotropic composite steel bridge deck.
Research results show that the mechanical performance and deformation of the longitudinal ribs and decks were both significantly improved.
Rehabilitation of RC, Steel and Pre-stressed Bridges. Introduction. Modern bridge infrastructure comprises of primarily concrete (reinforced or pre-stressed) and steel structures. Over the service life of a bridge, its constituent materials are continually subjected to fatigue and wear-tear due to dynamic vehicular loads.
Overloading due to. 9/12/ 2 Bridge Deck Evaluation Delamination survey Infrared image, sounding, Impulse response Spalled, patched, and delaminated area Corrosion activity survey Half-cell, GPR, Salt (chloride) content, Carbonation depth Bridge deck concrete Compressive strength, Permeability, Traffic volume info.
Average Daily Traffic (ADT) or Average. The definitive text in the field of Bridge Deck behaviour and analysis Bridge Deck Analysis is an essential reference for civil and structural provides bridge designers with the knowledge to understand the behaviour of bridge decks, to be familiar with, and to understand the various numerical modelling techniques, to know which technique is most suited/5(2).
Most bridge decks were not properly air-entrained and though some decks might have been waterproofed, the materials used were ineffective after a few years in service. Consequently, bridge decks deteriorate quite rapidly with a life expectancy of only about 40 years.
There was no standard rehabilitation strategies prior to • This deck was replaced during a widening project that completed in • At only 15 years old, this bridge deck is already showing signs of severe corrosion activity and damage.
• This damage is caused by a combination of heavy deicer usage and shallow reinforcement where the transverse bars are tied together which also corresponds.
Transverse cracking of composite bridge decks Ayman N. Ababneh Department of Civil Engineering, Jordan University of Science and Technology, Irbid, Jordan Abstract Early age cracking of concrete bridge deck is a frequent problem for bridges worldwide. This work provides a framework for a thermo-hygro-mechanical.
bridge’s span lengths 18 feet, and 15 feet. The bridge width is 13 feet. Figure 1. Johns Burnt Mill Bridge Rehabilitation Project Information Date/Cost for Rehabilitation: The rehabilitation project was completed during the spring ofat a cost of $, Cracking Behavior of Structural Slab Bridge Decks January 6.
Performing Organization Code 7. Author(s) 8. Performing Organization Report No. Anil Patnaik (PI) Prince Baah (Graduate Student) 9. Performing Organization Name and Address Work Unit No. (TRAIS) The University of Akron Buchtel Common Akron, OH SJN BRIDGE DECK REHABILITATION- MATERIALS. Section Bridge Deck Rehabilitation Materials, of the – Standard Specifications is modified as indicated below: Delete Subsection Sampling and Testing.
Delete Subsection Sand for Epoxy-Sand Mixture and replace with the following. According to the U.S. Department of Transportation’s Federal Highway Administration, CP is the only rehabilitation technique that has been proven to stop corrosion in salt-contaminated bridge decks, regardless of the chloride content of the concrete.
Long-Term Effectiveness of Cathodic Protection Systems on Highway Structures Primary Topic: Pavement Maintenance Description: Cathodic protection (CP), the technology used to mitigate corrosion of metals embedded in concrete, is the only rehabilitation technique that has been proven to stop corrosion in salt-contaminated bridge decks regardless of the chloride content of the concrete.only rehabilitation technique that has proven to stop corrosion in salt-contaminated bridge decks regardless of the chloride content in concrete” (NCHRP Report, page 34).
Cathodic protection can be grouped into two basic types of systems: impressed current and galvanic cathodic systems. An impressed current system is achieved.Causes of Early Cracking in Concrete Bridge Decks TECHNICAL WRITERS Yaohua Deng Bridge Engineering Center Iowa State University Brent Phares Bridge Engineering Center Iowa State University Dale Harrington Snyder and Associates, Inc.
• lead to a reduced bridge-deck service life. EDITOR Sabrina Shields-Cook SPONSORS between the deck and other.