Feasibility of Rehabilitating Timber Bridges with Mechanically Fastened FRP Strips

Feasibility of Rehabilitating Timber Bridges with Mechanically Fastened FRP Strips

Author: Alyssa E. Schorer

Publisher:

Published: 2008

Total Pages: 214

ISBN-13:

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Many timber trestle railroad bridges in Wisconsin have experienced deterioration and are in need of rehabilitation. In addition, the railroad industry is increasing the weights of cars. The combined effect of heavier loads and deterioration threatens to cut short the service life of timber bridges. One of the most critical problems that has been identified was the overloading of timber piles in bridges, which can be remedied by creating a stiffer pile cap. The goal of this investigation was to show that mechanically fastened fiber reinforced polymer (MFFRP) strips fastened to timber with screws can be used to create composite action between two beams in flexure or truss action between two deep beams. Ultimately this may help redistribute the loads to piles when FRP strips are used as struts on cap beams over short spans. Several test series were conducted with beams in flexure, deep beams over short spans, and full scale specimens to determine the manner in which FRP strips improved the members' performance. Tests were conducted over various widths of beams and lengths of spans to investigate how the geometry affected the strengthening's action improved load distribution to piles. Mechanically fastened FRP strips were found to be effective in developing composite action in slender beams in flexure, meaning the stiffness of the system was increased by using MF-FRP strips. This MF-FRP method showed great potential for creating composite, stiffer double pile caps.


Book Synopsis Feasibility of Rehabilitating Timber Bridges with Mechanically Fastened FRP Strips by : Alyssa E. Schorer

Download or read book Feasibility of Rehabilitating Timber Bridges with Mechanically Fastened FRP Strips written by Alyssa E. Schorer and published by . This book was released on 2008 with total page 214 pages. Available in PDF, EPUB and Kindle. Book excerpt: Many timber trestle railroad bridges in Wisconsin have experienced deterioration and are in need of rehabilitation. In addition, the railroad industry is increasing the weights of cars. The combined effect of heavier loads and deterioration threatens to cut short the service life of timber bridges. One of the most critical problems that has been identified was the overloading of timber piles in bridges, which can be remedied by creating a stiffer pile cap. The goal of this investigation was to show that mechanically fastened fiber reinforced polymer (MFFRP) strips fastened to timber with screws can be used to create composite action between two beams in flexure or truss action between two deep beams. Ultimately this may help redistribute the loads to piles when FRP strips are used as struts on cap beams over short spans. Several test series were conducted with beams in flexure, deep beams over short spans, and full scale specimens to determine the manner in which FRP strips improved the members' performance. Tests were conducted over various widths of beams and lengths of spans to investigate how the geometry affected the strengthening's action improved load distribution to piles. Mechanically fastened FRP strips were found to be effective in developing composite action in slender beams in flexure, meaning the stiffness of the system was increased by using MF-FRP strips. This MF-FRP method showed great potential for creating composite, stiffer double pile caps.


Feasibility of Rehabilitating Timber Bridges with Mechanically Fastened Fiber Reinforced Polymer (MF-FRP) Strips

Feasibility of Rehabilitating Timber Bridges with Mechanically Fastened Fiber Reinforced Polymer (MF-FRP) Strips

Author: Alyssa E. Schorer

Publisher:

Published: 2008

Total Pages: 440

ISBN-13:

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Book Synopsis Feasibility of Rehabilitating Timber Bridges with Mechanically Fastened Fiber Reinforced Polymer (MF-FRP) Strips by : Alyssa E. Schorer

Download or read book Feasibility of Rehabilitating Timber Bridges with Mechanically Fastened Fiber Reinforced Polymer (MF-FRP) Strips written by Alyssa E. Schorer and published by . This book was released on 2008 with total page 440 pages. Available in PDF, EPUB and Kindle. Book excerpt:


Application of Mechanically Fastened FRP (MF-FRP) Pre-cured Laminates in Off-system Bridges

Application of Mechanically Fastened FRP (MF-FRP) Pre-cured Laminates in Off-system Bridges

Author: Andrea Rizzo

Publisher:

Published: 2005

Total Pages: 540

ISBN-13:

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"Rehabilitation of existing structures with Fiber Reinforced Polymers (FRP) has been growing in popularity because of their superior performance in terms of resistance to corrosion and high stiffness-to-weight ratio. Of the several external strengthening systems that have proved to be effective and efficient, Mechanically-Fastened (MF) FRP pre-cured laminates are now emerging as a promising technique which, in some cases, presents substantial advantages with respect to bond systems. The purpose of this research was to validate, from a mechanics point of view, the Mechanically-Fastened Fiber Reinforced Polymer (MF-FRP) as a rapid and efficient strengthening system to retrofit existing deteriorated reinforced concrete bridges"--Abstract, leaf iii.


Book Synopsis Application of Mechanically Fastened FRP (MF-FRP) Pre-cured Laminates in Off-system Bridges by : Andrea Rizzo

Download or read book Application of Mechanically Fastened FRP (MF-FRP) Pre-cured Laminates in Off-system Bridges written by Andrea Rizzo and published by . This book was released on 2005 with total page 540 pages. Available in PDF, EPUB and Kindle. Book excerpt: "Rehabilitation of existing structures with Fiber Reinforced Polymers (FRP) has been growing in popularity because of their superior performance in terms of resistance to corrosion and high stiffness-to-weight ratio. Of the several external strengthening systems that have proved to be effective and efficient, Mechanically-Fastened (MF) FRP pre-cured laminates are now emerging as a promising technique which, in some cases, presents substantial advantages with respect to bond systems. The purpose of this research was to validate, from a mechanics point of view, the Mechanically-Fastened Fiber Reinforced Polymer (MF-FRP) as a rapid and efficient strengthening system to retrofit existing deteriorated reinforced concrete bridges"--Abstract, leaf iii.


Composites for Construction

Composites for Construction

Author: Lawrence C. Bank

Publisher: John Wiley & Sons

Published: 2006-07-21

Total Pages: 572

ISBN-13: 0471681261

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The first textbook on the design of FRP for structural engineering applications Composites for Construction is a one-of-a-kind guide to understanding fiber-reinforced polymers (FRP) and designing and retrofitting structures with FRP. Written and organized like traditional textbooks on steel, concrete, and wood design, it demystifies FRP composites and demonstrates how both new and retrofit construction projects can especially benefit from these materials, such as offshore and waterfront structures, bridges, parking garages, cooling towers, and industrial buildings. The code-based design guidelines featured in this book allow for demonstrated applications to immediately be implemented in the real world. Covered codes and design guidelines include ACI 440, ASCE Structural Plastics Design Manual, EUROCOMP Design Code, AASHTO Specifications, and manufacturer-published design guides. Procedures are provided to the structural designer on how to use this combination of code-like documents to design with FRP profiles. In four convenient sections, Composites for Construction covers: * An introduction to FRP applications, products and properties, and to the methods of obtaining the characteristic properties of FRP materials for use in structural design * The design of concrete structural members reinforced with FRP reinforcing bars * Design of FRP strengthening systems such as strips, sheets, and fabrics for upgrading the strength and ductility of reinforced concrete structural members * The design of trusses and frames made entirely of FRP structural profiles produced by the pultrusion process


Book Synopsis Composites for Construction by : Lawrence C. Bank

Download or read book Composites for Construction written by Lawrence C. Bank and published by John Wiley & Sons. This book was released on 2006-07-21 with total page 572 pages. Available in PDF, EPUB and Kindle. Book excerpt: The first textbook on the design of FRP for structural engineering applications Composites for Construction is a one-of-a-kind guide to understanding fiber-reinforced polymers (FRP) and designing and retrofitting structures with FRP. Written and organized like traditional textbooks on steel, concrete, and wood design, it demystifies FRP composites and demonstrates how both new and retrofit construction projects can especially benefit from these materials, such as offshore and waterfront structures, bridges, parking garages, cooling towers, and industrial buildings. The code-based design guidelines featured in this book allow for demonstrated applications to immediately be implemented in the real world. Covered codes and design guidelines include ACI 440, ASCE Structural Plastics Design Manual, EUROCOMP Design Code, AASHTO Specifications, and manufacturer-published design guides. Procedures are provided to the structural designer on how to use this combination of code-like documents to design with FRP profiles. In four convenient sections, Composites for Construction covers: * An introduction to FRP applications, products and properties, and to the methods of obtaining the characteristic properties of FRP materials for use in structural design * The design of concrete structural members reinforced with FRP reinforcing bars * Design of FRP strengthening systems such as strips, sheets, and fabrics for upgrading the strength and ductility of reinforced concrete structural members * The design of trusses and frames made entirely of FRP structural profiles produced by the pultrusion process


Reinforced Concrete Design with FRP Composites

Reinforced Concrete Design with FRP Composites

Author: Hota V.S. GangaRao

Publisher: CRC Press

Published: 2006-11-20

Total Pages: 400

ISBN-13: 1420020196

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Although the use of composites has increased in many industrial, commercial, medical, and defense applications, there is a lack of technical literature that examines composites in conjunction with concrete construction. Fulfilling the need for a comprehensive, explicit guide, Reinforced Concrete Design with FRP Composites presents specific informat


Book Synopsis Reinforced Concrete Design with FRP Composites by : Hota V.S. GangaRao

Download or read book Reinforced Concrete Design with FRP Composites written by Hota V.S. GangaRao and published by CRC Press. This book was released on 2006-11-20 with total page 400 pages. Available in PDF, EPUB and Kindle. Book excerpt: Although the use of composites has increased in many industrial, commercial, medical, and defense applications, there is a lack of technical literature that examines composites in conjunction with concrete construction. Fulfilling the need for a comprehensive, explicit guide, Reinforced Concrete Design with FRP Composites presents specific informat


Field Inspection of In-service FRP Bridge Decks

Field Inspection of In-service FRP Bridge Decks

Author: Niket M. Telang

Publisher: Transportation Research Board

Published: 2006

Total Pages: 175

ISBN-13: 0309098564

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Book Synopsis Field Inspection of In-service FRP Bridge Decks by : Niket M. Telang

Download or read book Field Inspection of In-service FRP Bridge Decks written by Niket M. Telang and published by Transportation Research Board. This book was released on 2006 with total page 175 pages. Available in PDF, EPUB and Kindle. Book excerpt:


FRP

FRP

Author: J. G. Teng

Publisher: John Wiley & Sons

Published: 2002

Total Pages: 280

ISBN-13:

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Fibre-reinforced polymer (FRP) composites are used to strengthen reinforced concrete (RC) structures. A large amount of research now exists on this. This book brings together all existing research into one volume.


Book Synopsis FRP by : J. G. Teng

Download or read book FRP written by J. G. Teng and published by John Wiley & Sons. This book was released on 2002 with total page 280 pages. Available in PDF, EPUB and Kindle. Book excerpt: Fibre-reinforced polymer (FRP) composites are used to strengthen reinforced concrete (RC) structures. A large amount of research now exists on this. This book brings together all existing research into one volume.


FRP Composites for Reinforced and Prestressed Concrete Structures

FRP Composites for Reinforced and Prestressed Concrete Structures

Author: Perumalsamy Balaguru

Publisher: CRC Press

Published: 2008-11-05

Total Pages: 334

ISBN-13: 1482288532

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High strength fibre composites (FRPs) have been used with civil structures since the 1980s, mostly in the repair, strengthening and retrofitting of concrete structures. This has attracted considerable research, and the industry has expanded exponentially in the last decade. Design guidelines have been developed by professional organizations in a nu


Book Synopsis FRP Composites for Reinforced and Prestressed Concrete Structures by : Perumalsamy Balaguru

Download or read book FRP Composites for Reinforced and Prestressed Concrete Structures written by Perumalsamy Balaguru and published by CRC Press. This book was released on 2008-11-05 with total page 334 pages. Available in PDF, EPUB and Kindle. Book excerpt: High strength fibre composites (FRPs) have been used with civil structures since the 1980s, mostly in the repair, strengthening and retrofitting of concrete structures. This has attracted considerable research, and the industry has expanded exponentially in the last decade. Design guidelines have been developed by professional organizations in a nu


Prefabricated Bridge Elements and Systems to Limit Traffic Disruption During Construction

Prefabricated Bridge Elements and Systems to Limit Traffic Disruption During Construction

Author: Mohsen Shahawy

Publisher: Transportation Research Board

Published: 2003

Total Pages: 58

ISBN-13: 0309069726

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TRB's National Cooperative Highway Research Program (NCHRP) Synthesis Report 324: Prefabricated Bridge Elements and Systems to Limit Traffic Disruption During Construction assesses and documents the use of innovative prefabricated elements and systems and assesses its effects on on-site construction time and cost, closure time, and environmental impacts. The synthesis report also looks at the use of fiber-reinforced polymers and other advanced materials and new technologies that are gaining in popularity but are still in the experimental stages.


Book Synopsis Prefabricated Bridge Elements and Systems to Limit Traffic Disruption During Construction by : Mohsen Shahawy

Download or read book Prefabricated Bridge Elements and Systems to Limit Traffic Disruption During Construction written by Mohsen Shahawy and published by Transportation Research Board. This book was released on 2003 with total page 58 pages. Available in PDF, EPUB and Kindle. Book excerpt: TRB's National Cooperative Highway Research Program (NCHRP) Synthesis Report 324: Prefabricated Bridge Elements and Systems to Limit Traffic Disruption During Construction assesses and documents the use of innovative prefabricated elements and systems and assesses its effects on on-site construction time and cost, closure time, and environmental impacts. The synthesis report also looks at the use of fiber-reinforced polymers and other advanced materials and new technologies that are gaining in popularity but are still in the experimental stages.


LRFD Guide Specifications for the Design of Pedestrian Bridges

LRFD Guide Specifications for the Design of Pedestrian Bridges

Author: American Association of State Highway and Transportation Officials

Publisher: AASHTO

Published: 2009

Total Pages: 38

ISBN-13: 1560514698

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Book Synopsis LRFD Guide Specifications for the Design of Pedestrian Bridges by : American Association of State Highway and Transportation Officials

Download or read book LRFD Guide Specifications for the Design of Pedestrian Bridges written by American Association of State Highway and Transportation Officials and published by AASHTO. This book was released on 2009 with total page 38 pages. Available in PDF, EPUB and Kindle. Book excerpt: