Effects Of Heat Straightening Structural Steel
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Effects Of Heat Straightening Structural Steel
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Author : Joseph Putherickal
language : en
Publisher:
Release Date : 1992
Effects Of Heat Straightening Structural Steel written by Joseph Putherickal and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1992 with Bridges categories.
Synthesis Study Heat Treatment And Its Effects On Rehabilitating Steel Bridges In Indiana
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Author : Matthew Lackowski
language : en
Publisher: Purdue University Press
Release Date : 2007-01-01
Synthesis Study Heat Treatment And Its Effects On Rehabilitating Steel Bridges In Indiana written by Matthew Lackowski and has been published by Purdue University Press this book supported file pdf, txt, epub, kindle and other format this book has been release on 2007-01-01 with Transportation categories.
Significant research has been conducted on the development of: (1) heat straightening repair techniques and their field implementation, (2) guidelines and recommendations for heat straightening repair, (3) empirical procedures for estimating plastic rotations achieved during heat straightening, (4) empirical procedures for predicting residual stresses caused by heat straightening, and (5) the effects of heat straightening on the structural properties of repaired bridges. Currently, there is a need for additional research on: (a) the fatigue performance of heat straightened beams, (b) the effects of single and multiple heat straightening on the fracture toughness and microstructure of steel beams, (c) the development of guidelines for evaluating and replacing steel beams subjected to single or multiple damage-repairs, and (d) investigating the effects of realistic heat straightening with imperfections on the properties and serviceability of steel beam bridges. The literature review of existing heat treatments indicates that heat straightening with maximum temperature limited to 1200 F is relatively similar to the process annealing heat treatment. Heat straightening with maximum temperature limited to 1400oF is similar to the normalizing annealing heat treatment. Both these heat treatments repair plastically deformed microstructure by the phenomenon known as recovery and recrystallization. Normalizing annealing is more efficient and faster than process annealing in repairing the plastically deformed microstructure by recrystallization. Heat treatment and repair of the material microstructure is incidental to the heat straightening repair process. The heat straightened beam can be further heat treated to complete the repair of the material microstructure (recrystallization etc.). The practical and economic feasibility of additional heat treatment using electrically powered and controlled radiant heaters was evaluated and found to be reasonable.
Effects Of Multiple Damage Heat Straightening Repairs On The Structural Properties Of Bridge Steels
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Author : Amit Hariom Varma
language : en
Publisher:
Release Date : 2004
Effects Of Multiple Damage Heat Straightening Repairs On The Structural Properties Of Bridge Steels written by Amit Hariom Varma and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 2004 with Iron and steel bridges categories.
The effects of multiple damage-heat straightening repair events on the structural properties and fracture toughness of A36, A588, and A7 bridge steels were investigated experimentally. The damage and repair parameters included in the project are: (i) the damage strain, (ii) the restraining stress, (iii) the number of damage-repair cycles, and (iv) the maximum heating temperature. Extensive laboratory-scale and large-scale tests were conducted to evaluate the effects of these parameters on the structural properties including: (a) elastic modulus, (b) yield stress, (c) ultimate stress, (d) % elongation, (e) surface hardness, (f) fracture toughness, and (g) microstructure. Ninety-one laboratory-scale specimens, and six large-scale beam specimens made from A36, A588, and A7 steel were tested.
Heat Straightening Repair Of Damaged Steel Bridge Girders
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Author : Robert J. Connor
language : en
Publisher: Transportation Research Board
Release Date : 2008
Heat Straightening Repair Of Damaged Steel Bridge Girders written by Robert J. Connor and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Transportation categories.
TRB¿s National Cooperative Highway Research Program (NCHRP) Report 604: Heat-Straightening Repair of Damaged Steel Bridge Girders: Fatigue and Fracture Performance explores limits, based on fatigue and fracture performance, on the number of damage and repair cycles to which damaged steel bridge girders may be subjected using the heat-straightening procedure.
A Study Of The Heat Straightening Repair Of Local Damage In Structural Steel
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Author : Sunil Damodar Shenoy
language : en
Publisher:
Release Date : 1993
A Study Of The Heat Straightening Repair Of Local Damage In Structural Steel written by Sunil Damodar Shenoy and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1993 with Steel categories.
Heat Straightening Repairs Of Damaged Steel Bridges
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Author : R. Richard Avent
language : en
Publisher:
Release Date : 1998
Heat Straightening Repairs Of Damaged Steel Bridges written by R. Richard Avent and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1998 with Bridges categories.
Heat Straightening Techniques For Repair Of Damaged Structural Steel In Bridges
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Author :
language : en
Publisher:
Release Date : 1988
Heat Straightening Techniques For Repair Of Damaged Structural Steel In Bridges written by and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1988 with categories.
Heat Straightening Of Steel
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Author : Randy James Boudreaux
language : en
Publisher:
Release Date : 1987
Heat Straightening Of Steel written by Randy James Boudreaux and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1987 with Bridges categories.
Abstract.
Flame Straightening And Its Effect On Base Metal Properties
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Author : H. E. Pattee
language : en
Publisher:
Release Date : 1969
Flame Straightening And Its Effect On Base Metal Properties written by H. E. Pattee and has been published by this book supported file pdf, txt, epub, kindle and other format this book has been release on 1969 with Ships, Iron and steel categories.
Development Of A Recommended Practice For Use Of Controlled Low Strength Material In Highway Construction
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Author : Kevin J. Folliard
language : en
Publisher: Transportation Research Board
Release Date : 2008
Development Of A Recommended Practice For Use Of Controlled Low Strength Material In Highway Construction written by Kevin J. Folliard and has been published by Transportation Research Board this book supported file pdf, txt, epub, kindle and other format this book has been release on 2008 with Fills (Earthwork) categories.
Introduction and scope -- State of the art and current practice -- Laboratory testing program -- Field evaluations of CLSM -- Conclusions and suggested research -- References -- Appendices.