Damage evaluation and repair methods for prestressed concrete bridge members
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Transportation Research Board, National Research Council , Washington, D.C
Bridges, Concrete -- Maintenance and repair, Prestressed concrete constru
|Statement||George O. Shanafelt and Willis B. Horn.|
|Series||Report / National Cooperative Highway Research Program,, 226, Report (National Cooperative Highway Research Program) ;, 226.|
|Contributions||Horn, Willis B.|
|LC Classifications||TE7 .N25 no. 226, TG340 .N25 no. 226|
|The Physical Object|
|Pagination||66 p. :|
|LC Control Number||80053763|
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Add tags for "Damage evaluation and repair methods for prestressed concrete bridge members". Be the first. Damage and Methods of Repair for Prestressed Concrete Bridge Members." This was the first of a planned two-phase project with the over-all objective being to --.
- proideguidance for. the assessment-of -accidental-damage to -prestressed concrete bridge members and to identify, develop, and evaluate the effectiveness of repair and File Size: 6MB. Damage Evaluation and Repair Methods for Prestressed Concreet Bridge Members. Highway Research Program Report [Horn Shanafelt] on *FREE* shipping on qualifying cturer: National Research Council.
Prestressed concrete bridge members often are subjected to accidental damage because of vehicle impact, mishandling, or fire. Repair methods need to be identified and evaluated for various levels of damage. As a consequence, a two-phase project (NCHRP Project"Evaluation of Damage and Methods of Repair for Prestressed Concrete Bridge File Size: 9MB.
Advanced Composites in Bridge Construction and Repair is a technical guide for engineering professionals requiring an understanding of the use of composite materials in bridge construction. Show less Advanced composite materials for bridge structures are recognized as a promising alternative to conventional construction materials such as steel.
Download Damage evaluation and repair methods for prestressed concrete bridge members FB2
Use of any of these methods depends on the crack width and criteria used by the highway authorities. Epoxy Injection Procedure by PCI Manual for the Evaluation and Repair of Precast, Prestressed Concrete Bridge Products The PCI Manual for the Evaluation and Repair of Precast, Prestressed Concrete Bridge Products (11) provides detailed.
Bridge Impact Data Nebraska overhead bridges 10 impacts in past year United Sta overhead bridges Approx. 1, impacts-Traditionally, damaged pre-stressed concrete girders are replaced.
2 •Costly •Major traffic delay •Cold joints on deck-Girder repair by splicing strands is File Size: KB. Manual for the Evaluation and Repair of Precast, Prestressed Concrete Bridge Products [Precast/Prestressed Concrete Institute] on *FREE* shipping on qualifying offers. Manual for the Evaluation and Repair of Precast, Prestressed Concrete Bridge ProductsAuthor: Precast/Prestressed Concrete Institute.
The entire bridge deck, including the swing bridge, is made of prestressed concrete. The main bridge was built by incremental launching, with a unit length of m corresponding to 1/3 of the regular span. With respect to this construction procedure, its depth is m, corresponding to 1/ of the regular span.
• Evaluation and Repair Procedures for Precast/Prestressed Concrete Girders with Longitudinal Cracking in the Web National Cooperative Highway Research Program, ProjectFY • Bearing Zone Cracking of Precast Prestressed Girders Due to Sliding Friction Kahn, Georgia Institute of Technology, & Kelly, Pruitt Eberly Stone Size: 1MB.
Download Citation | Damage Assessment of One Prestressed Concrete Bridge after Fire | The assessment method of fire-damaged concrete bridge with. Shanafelt, G.O., and Horn, W.B.
() “Damage Evaluation and Repair Methods for Prestressed Concrete Bridge Members”, National Cooperative Highway Research Program ReportAuthor: S. Olson, C. French, R. Leon. 1. Prestressed Concrete Basics - Collins/Mitchell. Ultimate text on behaviour of prestressed concrete.
Design of Prestressed Concrete Structures - T.Y. Lin. I see this more as a design oriented text. Prestressed Concrete - Fritz Leonhardt.
This book includes hundreds of drawings showing repair methods in detail. IT is currently on sale for almost half price.
Concrete Repair Manual, published by the International Concrete Repair Institute, includes reference materials from ICRI, ACI, the U.S. Army Corps of Engineers, The Concrete Society (British), the BRE (also British), and much.
Report Guidelines for Evaluation and Repair of Damaged Prestressed Concrete Bridge Members. This report will include guidelines for (a) inspec-tion of damage, (b) assessment of dam-age, (c) selection of repair method, and (d) application of techniques for in-place repair. A manual of recommended practice will be published at the end of as NCHRP Report Guidelines for Evaluation and Repair of Damaged Prestressed Concrete Bridge Members.
This report will include guidelines for (a) inspection of damage, (b) assessment of damage, (c) selection of repair method, and (d) application of techniques for in-place. Damage Evaluation for Concrete Bridge Deck by Means of Stress Wave Techniques Article (PDF Available) in Journal of Bridge Engineering 17(6) November with Reads.
Manual Notice From: Graham A. Bettis, P.E., Director, Bridge Division Manual: Concrete Repair Manual Effective Date: Janu Purpose This manual includes step-by-step repair procedures for use on new and existing concrete members cast. The epoxy injection repair was conducted according to the pro- cedure given in the Manual for the Evaluation and Repair of Precast, Prestressed Concrete Bridge Products (11).
Then, 34 Figure Specimen #2: S2R (proposed). Damage evaluation and repair methods for prestressed concrete bridge members (Report / National Cooperative Highway Research Program): ISBN () Softcover, Transportation Research Board, National Research Council, data, the most effective crack control methods include debond-ing the strands at the ends, locating the lift loops a distance equal to the girder depth from each end, and releasing the strands beginning with the innermost ones.
Evaluation of crack control methods for end. Manual for the evaluation and repair of precast, prestressed concrete bridge products: including imperfections or damage occurring during production, handling, transportation, and erection.
The approach for the repair of impact-damaged prestressed bridge girders included in this report should serve as an aid to engineers involved in bridge design and maintenance repair of impact damage. In the proposed repair procedure, the restoration of structural integrity, re-establishment ofFile Size: 1MB.
Concrete Bridge Engineering Concrete Bridge Practice - Analysis, Design and Enonomics Concrete Bridges,Design and Construction Construction and Design of Prestressed Concrete Segmental Bridges Countermeasures to Protect Bridge Abutments fromScour Curtain Walls Curved Girder Bridge Damage Detection and Repair Methods for GFRP Bridge Deck.
PRESTRESSED CONCRETE Prestressed concrete, invented by Eugene Frevssinet in is a method for overcoming concrete’’s natural weakness in tension.
It can be used to produce beams, floors or bridges with a longer span than is practical with ordinary reinforced concrete.
It can be accomplished in three ways: pre- tensioned concrete, and. Prestressed Concrete Members Mohsen Shahawy, Ph.D., P.E. President Structures Design and Rehabilitation, Inc. Tallahassee, Florida This paper presents a critical evaluation of recent proposals for calculating the development length of prestressing strands.
The results of an extensive testing program on a variety of prestressed concrete members File Size: 2MB. The American Concrete Institute.
Founded in and headquartered in Farmington Hills, Michigan, USA, the American Concrete Institute is a leading authority and resource worldwide for the development, dissemination, and adoption of its consensus-based standards, technical resources, educational programs, and proven expertise for individuals and organizations involved in concrete design Author: Y.
Details Damage evaluation and repair methods for prestressed concrete bridge members FB2
Takizawachlorides. The process of assessment of fire-damaged concrete bridge with prestressed hollow core plate girders was provided.
According to the assessment results, methods of repair and strengthening were presented for different fire-damaged level of prestressed hollow core plate by: 1. Traditional methods used to repair prestressed concrete (PC) girders subjected to impact damage due to overheight vehicles include strand splicing and external posttensioning.
These methods have proven to be partially satisfactory in restoring the damaged girder’s ultimate strength. Manual for the Evaluation and Repair of Precast, Prestressed Concrete Bridge Products addresses the repair of damage to, or non-conformances in, bridge contains diagrams of the various types of cracks, chips, voids, missing bars and other issues that occur from time to time in manufacture.
Limit State Design Criteria for Prestressed Concrete Members. Design of Pretensioned and Posttensioned Flexural Members. Composite Construction of Prestressed and in situ Concrete. aggregate anchorage applied assumed bars beam bending block bond bottom bridge cable cast cement cent centre centroid coefficient column 4/5(11).Evaluation of deteriorated post-tensioned concrete bridge is needed to determine strength and safety at the time of investigation.
Description Damage evaluation and repair methods for prestressed concrete bridge members EPUB
If it is considered that there is no concern about any deterioration, flexural strength of prestressed concrete bridges may be obtained from Equation (1). File Size: KB.repair techniques for impact damaged prestressed bridge girders: strand splices, fiber reinforced polymer (FRP) overlays, and fabric reinforced cementitious matrix (FRCM) overlays.
The flexural strength of four AASHTO Type III girders, three of which were intentionally damaged and repaired, was evaluated.
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