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Design of Composite Steel Beams for Bridges
2008 ... J.A. Yura, E.R. Methvin and M.D. Engelhardt · Current [American Association of State Highway and Transportation Officials] AASHTO bridge specifications require that composite beams have sufficient shear studs to fully yield the steel beam cross section in tension. The large number of studs required is independent of the loading
4811-1 [CTR] ... 0-4811-1
Full-text Link:
207 KB
Design Guidelines for Steel Trapezoidal Box Girder Systems
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:
Shear Connector Design for Composite Steel Beams - Strength Limit State
2007 ... RS: Joseph Yura; Researcher: Michael Engelhardt · The AASHTO LRFD Bridge Design Specifications provide rules for strength design of shear connectors for steel composite beams. These current rules require that sufficient shear studs be provided to develop the full composite strength of the steel beam. That is, shear studs
4811 Summary [CTR] ... PSR 0-4811-s ... Project Summary Report, 0-4811
Full-text Link:
Simplified Details for Trapezoidal Steel Box Beams
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:
Composite Action during Construction of Steel Trapezoidal Box Girder Bridges
2005 ... C. Topkaya [and three others] · 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 the system to be non-
1898-2 [CTR] ... FHWA/TX-07/0-1898-2
Full-text Link:
UTrAp 2.0 : Analysis of Steel Box Girders during Construction
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:
website with software download link
Top-Lateral Bracing Systems for Trapezoidal Steel Box-Girder Bridges
2003 ... by B.S. Chen, E.B. Williamson and J. A. Yura · 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 design stage
1898-4 [CTR] ... FHWA/TX-03/1898-4; Report 0-1898-4
Full-text Link:
2.55 MB
A Design Procedure for Intermediate External Diaphragms on Curved Steel Trapezoidal Box Girder Bridges
2002 ... by 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] ... FHWA/TX-03/0-1898-1
Full-text Link:
Field Measurements of Diaphragm and Top Lateral Members of Three Trapezoidal Composite Box Girder Bridges
2002 ... Benjamin Cheplak [and three others] · The results of field tests on three trapezoidal box girder bridges are presented. The study concentrated on the measurement of the strains in the external and internal diaphragms and the top laterals of the boxes. The strains were collected when the girders were loaded by a crane lifting up on
1896-1 [CTR] ... 0-1896-1
Full-text Link:
UTrAp : Finite-Element-Based Software for the Analysis of Curved Trapezoidal Girders under Construction Loads
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 response
1898-3 [CTR] ... FHWA/TX-03/1898-3
Full-text Link:
838 KB
Elastomeric Bridge Bearings : Recommended Test Methods
2001 ... J. Yura [and four others] · · Publ. by: Transportation Research Board (TRB).
NCHRP Report 449 ... NCHRP Report 449 ... Report (National Cooperative Highway Research Program -
Full-text Link:
3.6 MB
An Exploration of Lateral Load Distribution in a Girder-Slab Bridge in Gatesville, Texas
2000 ... by S.M. Barney [and four others] · "Older bridges currently in service can be tested to determine if the bridges behave as originally designed. Many current design methods are overly conservative. This research shows the results of the instrumentation and testing of the Leon River Bridge for its lateral distribution of live load. Tests
2986-4 [CTR] ... 7-2986-4
Full-text Link:
1.3 MB
Improving Bridge Rating and Truck Permitting Procedures Through Finite Element Analysis
2000 ... by D.S. McIlrath [and four others] · Annually, state DOTs are confronted with thousands of overweight truck permit applications and must determine the ability of bridges along these routes to carry the permit loads. This research shows the benefits of performing more detailed analyses using SAP2000 and BRUFEM, rather than
1746-2 [CTR] ... FHWA/TX-04/ 0-1746-2
Full-text Link:
1.4 MB
Lateral Load Distribution on Transverse Floor Beams in Steel Plate Girder Bridges
2000 ... by K.R. Pennings [and four others] · Many twin plate girder bridges have been recently rated inadequate for their current design loads. The controlling members that determine the bridge rating is often the transverse floor beams. The current provisions assume no lateral load distribution on the floor beams. This research focused
1746-3 [CTR] ... FHWA/TX-0-1746-3
Full-text Link:
2.6 MB
Measurement-Based Evaluation of Noncomposite Steel Girder Bridges
2000 ... D.V. Jáuregui [and four others] · The results from an experimental study into the behavior of noncomposite slab-on-steel girder bridges are presented. Two bridge units were tested under increasing static loads beyond first yield of the girders with a flatbed trailer loaded with concrete barriers. The load tests were unique in
1746-1 [CTR] ... FHWA/TX-0-1746-1
Full-text Link:
4.69 MB
Top Lateral Bracing of Steel U-Shaped Girders
1999 ... by Brian S. Chen, Joseph A. Yura and Karl H. Frank · Steel box girder systems are being used more frequently for curved bridges because of their torsional stiffness and aesthetic appearance. These systems typically consist of U-shaped girders placed side-by-side with a composite concrete deck acting as the top flange. A critical
1395-2 [CTR] ... FHWA/TX-02/1395-2F; 0-1395-2F
Full-text Link:
2.4 MB
Buckling Behavior of U-Shaped Girders
1997 ... by C.L. Gilchrist, J.A. Yura and K.H. Frank · Trapezoidal box girder systems typically consist of twin steel U-shaped girders with a concrete deck acting compositely as the top flange. The top flanges of these U-girders are susceptible to lateral-torsional buckling during transport, erection, and placement of the deck. There is no existing
1395-1 [CTR] ... FHWA/TX-97/0-1395-1
Full-text Link:
2.54 MB
An Experimental Study of Elastomeric Bridge Bearings with Design Recommendations
1995 ... J.V. Muscarella and J.A. Yura · Recent AASHTO specifications have placed a number of restrictions on the use of elastomeric bridge bearings. Elastomeric bearings with tapers built in to accommodate span end elevation differences were disallowed by the most current specifications even though no previous research into
1304-3 [CTR] ... FHWA/TX-98-1304-3; 0-1304-3
Full-text Link:
10.7 MB
Wax Build-Up on the Surfaces of Natural Rubber Bridge Bearings
1995 ... by R. Chen, J. Yura · The problem of excessive slip and walking of natural rubber bridge bearing pads was investigated as part of the overall research project 0-1304, Elastomeric Bridge Bearings. One of the principal factors related to this phenomena was the waxy residue found on the bearing pads and their contact concrete
1304-4 [CTR] ... FHWA/TX-97/1304-4; CTR 0-1304-4
Full-text Link:
1.4 MB
Behavior of Reinforced Concrete Pier Caps Under Concentrated Bearing Loads
1995 ... by R.J. Denio, J.A. Yura and M.E. Kreger · At congested highway interchanges, the Texas Department of Transportation (TxDOT) uses narrow concrete piers and shallow depth steel cap girders. Research Project 0-1302 is concerned with the connection detail between these two elements. This report deals with the shear strength and
1302-1 [CTR] ... FHWA/TX-97/1302-1; CTR 0-1302-1
Full-text Link:
3.8 MB
Test Methods for Elastomeric Bearings on Bridges
1995 ... by Y.J. Arditzoglou, J.A. Yura and A.H. Haines · At congested highway interchanges, horizontal and vertical clearance requirements may dictate the use of narrow piers and shallow depth cap girders to accommodate the various roadways and overpasses. In situations such as this, the state of Texas uses horizontally curved steel
1304-2 [CTR] ... FHWA/TX-96/1304-2; CTR 0-1304-2
Full-text Link:
3.4 MB
The Connection Between a Steel Cap Girder and a Concrete Pier
1995 ... Joseph M. Ales [and three others] · At congested highway interchanges, horizontal and vertical clearance requirements may dictate the use of narrow piers and shallow depth cap girders to accommodate the various roadways and overpasses. In situations such as this, the state of Texas uses horizontally curved steel plate girders
1302-2 F [CTR] ... FHWA/TX-96-1302-2F; CTR 0-1302-2F
Full-text Link:
3.7 MB
Elastomeric Bearings : Background Information and Field Study, Interim Report
1994 ... B.A. English, Richard E. Klingner and Joseph A. Yura · This report deals with Phase One of TxDoT 1304 (Behaviour of Elastomeric Bearings). The overall objectives of that project are (1) to recommend procedures for designing elastomeric bearings used by TxDoT and (2) to recommend practical guidelines and procedures for
1304-1 [CTR] ... 0-1304-1
Full-text Link:
1 MB
Evaluation of Bridge Decks as Lateral Bracing for Supporting Steel Stringers
1992 ... by Stuart T. Webb and Joseph A Yura · A full-size test on a wooden bridge deck showed that the deck nailers and the connections between the nailers and planks were the main contributors to the lateral stiffness of the deck. The measured coefficient of friction between the steel stringers and the wooden deck was 0.25. Design
1239-3 [CTR] ... FHWA/TX-92+1239-3; CTR 3-5-90/1-1239-3
Full-text Link:
2 MB
An Ultimate Load Test to Study Bracing Effects of Bridge Decks
1992 ... by Swarnalatha Vegesna and J.A. Yura · The objective of this research project was to study the possible bracing effect of a bridge deck on the lateral instability of the stringers. The capacity of bridges is frequently underrated due to conservative assumptions regarding unknown conditions. Traditionally, the stringers have been
1239-2 [CTR] ... FHWA/TX-92+1239-2; CTR 3-5-90/1-1239-2
Full-text Link:
1.3 MB
Bracing Requirements for Elastic Steel Beams
1992 ... by Joseph A. Yura and Brett A. Phillips · Two types of bracing are studied to control the lateral torsional buckling of steel beams; namely, lateral bracing at the compression flange and torsional bracing. A computer program, BASP, was used to study the effects of brace type, size and number of braces on the buckling strength of
1239-1 [CTR] ... FHWA/TX-92+1239-1; CTR 3-5-90/1-1239-1
Full-text Link:
Bracing of Steel Beams in Bridges
1992 ... Joseph A. Yura, Brett A. Phillips, Swarna Raju, Stuart Webb · The report summarizes the research conducted to evaluate the lateral bracing effect of bridge decks. Design requirements for bracing steel beams to control lateral-torsional buckling are developed. Braces are classified as torsional braces (diaphragms, cross
1239-4 [CTR] ... Report 0-1239-4F
Full-text Link:
1.99 MB
High Strength Bolts for Bridges
1987 ... K.H. Frank, D. Polyzois, Joseph A. Yura · An extensive experimental program was co nducted to evaluate the performance of both black and galvanized high strength bolts for bridges. Seventy-two A325 black bolts, 145 hot-dip galvanized A325 bolts, 85 mechanically galvanized A325 bolts, and 83 black A490 bol ts from se veral
FHWA-RD-87-088 ... FHWA-RD-87-088
Full-text Link:
12 MB
Fatigue Behavior of Longitudinal Transverse Stiffener Intersection
1983 ... by John D. Pass, Karl H. Frank, and Joseph A. Yura · The fatigue performance of a twin girder steel bridge in Dallas was investigated in this project. The fatigue life of the bridge was estimated using the results of field tests to determine the bridge's response to traffic loads and analytical and experimental studies to determine the
247-5 F [CTR] ... FHWA/TX-83/9+247-5F; CTR 3-5-79-247-5F
Full-text Link:
2.5 MB
Estimation of the Fatigue Life of a Test Bridge from Traffic Data
1983 ... by Peter W. Hoadley, Karl H. Frank, and Joseph A. Yura · Fatigue studies were conducted on a twin-girder, multilaned highway bridge. Two types of stress histories were measured at several locations on the bridge. One type of stress history was measured during the passage of a test truck of known weight. Stress histories were
247-4 [CTR] ... FHWA/TX-83/8+247-4; CTR 3-5-79-247-4
Full-text Link:
2.3 MB
Fatigue Behavior of Welded Joints Subjected to Variable Amplitude Stresses
1983 ... by John M. Joehnk, Karl H. Frank, and Joseph A. Yura · The fatigue behavior of welded steel tees loaded in cantilever bending was examined using simple variable amplitude stress waveforms. These waveforms were developed by superimposing two sine wave signals, i.e., a high frequency/low amplitude signal upon a low
306-1 [CTR] ... FHWA/TX-83/24+306-1; CTR 3-5-81-306-1
Full-text Link:
7.3 MB
Evaluation of the Fatigue Performance of Butt-Welded Splices
1982 ... by Antonio J.F.P. Leite, Karl H. Frank, and Joseph A. Yura · The fatigue performance of flange transition butt-welded splices has been evaluated. Analytical solutions for the stress gradient correction. F sub G, are generated using a finite element method. The 1 to 2-1/2 slope transition recommended by the AASHTO
247-3 [CTR] ... FHWA/TX-82/27+247-3; CTR 3-5-79-247-3
Full-text Link:
11.6 MB
The Behavior of Beams Subjected to Concentrated Loads
1982 ... Paul B. Summers and Joseph A. Yura · Tests on composite steel and concrete beams, continuous steel beams and simply supported plexiglass model beams, subjected to a concentrated load at midspan have demonstrated a buckling phenomenon where the bottom flange, which is primarily in tension, moves laterally. A
Summers 1982
Full-text Link:
3.94 MB
Field Tests of a Continuous Twin Girder Steel Bridge
1981 ... Joseph a. Yura, Karl H. Frank, A.K. Gupta · The structural behavior of a twin girder continuous steel bridge was studied in the field to provide data for a fatigue evaluation of the structure. Girder strains and deflections were measured under normal traffic and with a 52,000-lb test truck traveling at various speeds up to 50
247-2 [CTR] ... FHWA/TX-81/38+247-2
Full-text Link:
2.7 MB
Analytical Study of the Fatigue Behavior of a Longitudinal Transverse Stiffener Intersection
1981 ... by D.A. Platten, K.H. Frank and J.A. Yura · The fatigue life of the intersection of a longitudinal and transverse stiffener was estimated using the principles of fracture mechanics. A quarter section of a stiffened girder was analyzed using a three-dimensional finite element representation. The intersection area was then studied in
247-1 [CTR] ... FHWA/TX-81/24+247-1; CTR 3-5-79-247-1
Full-text Link:
4.7 MB
An Experimental Study of Bolted Shear Connections
1981 ... K.H. Frank and Joseph A. Yura · A large experimental program which involved approximately 700 tests was used to develop statistically reliable slip loads for bolted shear connections with coated contact surfaces. Four different painting systems were evaluated for use in friction-type connections. Variables included in the study were
FHWA-RD-81-148 ... FHWA-RD-81-148
Full-text Link:
free download option
Friction-Type Bolted Connections with A588 Weathering Steel
1981 ... L. Cayes, K.H. Frank, and Joseph A. Yura · · Publ. by: Federal Highway Administration (FHWA).
FHWA-RD-81-147 ... FHWA-RD-81-147
Full-text Link:
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