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find (Author =Williamson Eric B 1968)
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Modeling the Response of Fracture Critical Steel Box-Girder Bridges
1.
2010 ... Timothy Barnard [and eight others] · Bridges that are classified as "fracture critical" by AASHTO require more frequent inspections than other types of bridges, resulting in greater costs for their maintenance. Several historical events have shown, however, that severe damage can occur to a bridge without necessarily resulting in
5498-1 [CTR] ... FHWA/TX-10/9-5498-1
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/9_5498_1.pdf
3.2 MB
______________________________________________________________________________________________________
Implementation of Straight and Curved Steel Girder Erection Design Tools Construction : Summary
2.
2010 ... Jason Stith [and six others] · Project 0-5574 ?Curved Plate Girder Design for Safe and Economical Construction,? resulted in the development of two design tools, UT Lift and UT Bridge. UT Lift is a spreadsheet-based program for analyzing steel girders during lifting while UT Bridge is a three-dimensional finite element
5574-01-1 [CTR] ... FHWA/TX-11/5-5574-01-1
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/5_5574_01_1.pdf
411 KB
______________________________________________________________________________________________________
UT Lift 1.1
3.
2010 ... by Jason Stith [and four others] · The purpose of this spreadsheet is to provide a tool and give information to an engineer when deciding the safety of lifting a horizontally curved steel I-girder with one crane and two lift clamps. The spreadsheet has been developed to indicate the necessary inputs and highlight the calculated
5574-01-P1 [CTR] ... Product 5-5574-01-P1
Full-text Link:
http://fsel.engr.utexas.edu/facilities/software/ut-lift
Now version 1.3 (accessed 11/23/2015)
______________________________________________________________________________________________________
Methods of Evaluating the Redundancy of Steel Bridges
4.
2010 ... RS: Eric B. Williamson; Researchers: Timothy Barnard [and seven others] · Bridges that are classified as fracture critical by AASHTO require more frequent inspections than other types of bridges, resulting in greater costs for their maintenance. Several historical events?including the girder failures in the I-79 Bridge at Neville Island and
5498-Summary [CTR] ... PSR 9-5498-S ... Project Summary Report, 9-5498
Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/9-5498.pdf
______________________________________________________________________________________________________
Guidance for Erection and Construction of Curved I-Girder Bridges : Technical Report -- revised
5.
2010 ... Jason Stith [and eight others] · This report summarizes the methods, results, and recommendations from a research investigation on the behavior of horizontally curved girders during construction. The primary focus of this study is the behavior during early stages of construction when little or no bracing is provided. Girder
5574-1 [CTR] ... FHWA/TX-10/0-5574-1
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/0_5574_1.pdf
5.8 MB
______________________________________________________________________________________________________
Guidelines for Design and Safe Handling of Curved I-Shaped Steel Girders
6.
2010 ... Jason Stith [and five others] · The purpose of this set of guidelines is to summarize recommendations from work completed as part of the Texas Department of Transportation (TxDOT) Research Project 0-5574 entitled ?Curved Plate Girder Design for Safe and Economic Construction.? The research included field tests, three-
5574-P1 [CTR] ... Product 0-5574-P1
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/0_5574_P1.pdf
90 KB
______________________________________________________________________________________________________
Blast-Resistant Highway Bridges : Design and Detailing Guidelines
7.
2010 ... Eric B. Williamson [and seven others] · The possibility of terrorism against our nation's bridges is an ever-increasing threat in today's society. Data collected by the Mineta Transportation Institute indicate that at least 53 terrorist attacks worldwide specifically targeted bridges between 1980 and 2006, and 60% of those attacks were
NCHRP Report 645 ... NCHRP Report 645 ... Report (National Cooperative Highway Research Program -
Full-text Link:
http://onlinepubs.trb.org/onlinepubs/nchrp/nchrp_rpt_645.pdf
______________________________________________________________________________________________________
Curved Plate Girder Design for Safe and Economical Construction
8.
2009 ... Todd Helwig [and eight others] · Horizontally curved steel I-girder bridges are important components of the highway system that are commonly used for providing efficient transfer of traffic between major thoroughfares. The critical stage for the stability of these curved bridges generally occurs during early stages of erection and
5574 [CTR] ... PSR 0-5574 ... Project Summary Report, 0-5574
Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/5574.pdf
______________________________________________________________________________________________________
The Tensile Capacity of Welded Shear Studs
9.
2009 ... Joshua M. Mouras [and three others] · The ability of shear studs to transfer vertical tension forces from a fractured girder to intact bridge components was investigated. The effect of haunches in the deck, stud length, number of studs, and arrangement of the studs was evaluated in static and dynamic tests. Revised stud strength
5498-2 [CTR] ... 9-5498-2
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/9_5498_2.pdf
6.4 MB
______________________________________________________________________________________________________
Bending Fatigue Response of Grouted Stay Cables
10.
2008 ... Sharon L. Wood [and thirteen others] · Both the Fred Hartman Bridge and the Veterans Memorial Bridge have experienced large-amplitude vibrations of the stay cables. A major concern resulting from these vibrations is the possibility of fatigue damage to the parallel, seven-wire, prestressing strand in the grouted stay cables ? and
1401-1 [CTR] ... 0-1401-1
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/0_1401_1.pdf
8.3 MB
______________________________________________________________________________________________________
Design Guidelines for Steel Trapezoidal Box Girder Systems
11.
2007 ... Todd Helwig [and four others] · The frequency of use of steel box girders has increased in the state of Texas and throughout the United States over the past 10 years. Some of the advantages of the structural shape that have led to the increased utilization include improved aesthetic, maintenance, and structural benefits.
4307-1 [CTR] ... FHWA/TX-07/0-4307-1
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/0_4307_1.pdf
______________________________________________________________________________________________________
Design of Retrofit Vehicular Barriers Using Mechanical Anchors
12.
2007 ... G. Mitchell [and six others] · Retrofit barriers can be used to replace highway barriers damaged by vehicular collisions. The purpose of TxDOT Research Project 0-4823 is to develop retrofit designs of current TxDOT highway barriers using mechanical anchors. The retrofit designs should meet the TxDOT performance criteria for
4823-CT-1 [CTR] ... 0-4823-CT-1
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/0_4823_CT_1.pdf
6.4 MB
______________________________________________________________________________________________________
Steel Trapezoidal Girders : State of the Art
13.
2007 ... Todd Helwig, Eric Williamson and Reagan Herman · Since 1995, the Texas Department of Transportation (TxDOT) has funded several studies on trapezoidal box girders. The research in these studies was some of the first detailed work on curved box girders that had been carried out in nearly twenty years. Although the studies
4307 Summary [TTI] ... PSR 0-4307-S ... Project Summary Report, 0-4307
Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/4307.pdf
______________________________________________________________________________________________________
Mechanical Anchors for Retrofit/Repair of Bridge Rails
14.
2007 ... Richard E. Klingner and Eric B. Williamson · The researchers found that the proposed designs for the retrofit T203 and T501 barriers met the TxDOT prescribed performance standards and can safely be used to replace severely damaged barriers. · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4823-CT Summary [CTR] ... PSR 0-4823-CT-S ... Project Summary Report, 0-4823-CT
Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/4823.pdf
______________________________________________________________________________________________________
Simplified Details for Trapezoidal Steel Box Beams
15.
2007 ... Joseph Yura [and five others] · In the fi eld test, a crane applied load before and after the PMDF was attached directly to the top fl ange. In the laboratory, a 54 inch deep straight trapezoidal steel box-girder specimen with either PMDF or various diagonal bracing arrangements was subjected to torsion and bending tests. The tests
1898 Summary [CTR] ... PSR 0-1898-S ... Project Summary Report, 0-1898
Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/1898.pdf
______________________________________________________________________________________________________
Determination of Fatigue Damage in Cable Stays
16.
2006 ... RS: Sharon L. Wood; Researchers: Matthew J. Bean [and twelve others] · Large-amplitude vibrations have been observed on numerous cable-stayed bridges around the world. Both long-span, cable-stayed bridges in Texas ? the Veterans Memorial Bridge and the Fred Hartman Bridge ? have experienced large-amplitude, wind and
1401 Summary [CTR] ... PSR 0-1401-s ... Project Summary Report, 0-1401
Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/1401.pdf
______________________________________________________________________________________________________
A Probabilistic Analysis of the Frequency of Bridge Collapses due to Vessel Impact. Volumes I-IV
17.
2006 ... Lance Manuel [and six others] · The collapse of the Queen Isabella Causeway in 2001, caused by a vessel collision, sent an alarming message to the state of Texas that vessel impact on bridges is a serious issue and that the possibility of such accidents needs to be considered in the design and evaluation of any bridge spanning a
4650-1 [CTR] ... 0-4650-1
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/0_4650_1.pdf
______________________________________________________________________________________________________
Vessel Impact on Bridges
18.
2005 ... RS: Lance Manuel; Researchers: Loukas F. Kallivokas and Eric B. Williamson · The collapse of the Queen Isabella Causeway Bridge resulting from a vessel collision motivated this study that recognizes that vessel impact on bridge is a serious issue and that the likelihood of such accidents needs to be carefully evaluated in the design
4650 Summary [CTR] ... PSR 0-4650-S ... Project Summary Report, 0-4650
Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/4650.pdf
______________________________________________________________________________________________________
Composite Action during Construction of Steel Trapezoidal Box Girder Bridges
19.
2005 ... C. Topkaya, J.A. Yura, E.B. Williamson and K.H. Frank · In steel trapezoidal box girder bridge systems, the U-shaped steel girder is designed to act compositely with the concrete deck to form a closed box for live loading. During the construction stage, however, the behavior is not well understood. The usual practice of assuming
1898-2 [CTR] ... 0-1898-2
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/0_1898_2.pdf
______________________________________________________________________________________________________
UTrAp 2.0 : Analysis of Steel Box Girders during Construction
20.
2004 ... Eric Williamson [and three others] · UTrAp 2.0 is intended to perform both linear analyses and linearized buckling analyses of straight or curved steel trapezoidal box-girder bridges under construction loading. The program is able to model the partially-composite behavior due to concrete curing during the bridge deck pours. UTrAp 2.0 is
Williamson 2004
Full-text Link:
http://fsel.engr.utexas.edu/facilities/software/utrap
website with software download link
______________________________________________________________________________________________________
Top-Lateral Bracing Systems for Trapezoidal Steel Box-Girder Bridges
21.
2003 ... B.S. Chen, J.A. Yura, E.B. Williamson and K.H. Frank · Trapezoidal steel box girders are becoming increasingly popular as a bridge system due to their torsional efficiency and aesthetic appearance. These bridge systems utilize one or more trapezoidal steel girders with a cast-in-place composite concrete roadway. The critical
1898-4 [CTR] ... 0-1898-4
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/0_1898_4.pdf
______________________________________________________________________________________________________
A Design Procedure for Intermediate External Diaphragms on Curved Steel Trapezoidal Box Girder Bridges
22.
2002 ... M.A. Memberg, J.A. Yura, K.H. Frank and E.B. Williamson · Steel trapezoidal box girders are well-suited for curved bridges due to their high torsional rigidity. This bridge type features one or more steel trapezoidal girders with a cast-in-place concrete roadway slab. Once the slab is in place, the section becomes fully closed, and
1898-1 [CTR] ... 0-1898-1
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/0_1898_1.pdf
______________________________________________________________________________________________________
UTrAp : Finite-Element-Based Software for the Analysis of Curved Trapezoidal Girders under Construction Loads
23.
2002 ... C. Topkaya [and three others] · Due to advances in fabrication technology, the use of steel trapezoidal box girders for curved interchange structures has become popular. The rapid erection, long span capability, economics, and aesthetics of these girders make them more favorable than other structural systems. The
1898-3 [CTR] ... FHWA/TX-03/1898-3
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/1898_3.pdf
______________________________________________________________________________________________________
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