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Structural Monitoring of the World’s First Precast Network Arch Bridge during Construction

1.

2014 ... Hossein Yousefpour, Todd Helwig, Oguzhan Bayrak · This report provides an overview of a monitoring study on the West 7th Street Bridge in Ft Worth, Texas, that was carried out by The University of Texas at Austin (UT). The West 7th Street Bridge was designed by the Texas Department of Transportation (TxDOT) and is believed

5253-03-1 [CTR] ... FHWA/TX-14/5-5253-03-1

Full-text Link:
http://library.ctr.utexas.edu/ctr-publications/5-5253-03-1.pdf
12 MB
______________________________________________________________________________________________________

Effect of New Prestress Loss Estimates on Pretensioned Concrete Bridge Girder Design

2.

2013 ... David Garber [and four others] · In 2008, TxDOT initiated Project 0-6374 to investigate prestress losses in pretensioned concrete girders. The prestress loss estimates in the AASHTO LRFD Bridge Design Specifications had been recalibrated in 2005 to be more accurate for “high-strength [conventional] concrete.” Greater accuracy

6374-2 [CTR] ... FHWA/TX-12/0-6374-2

Full-text Link:
http://library.ctr.utexas.edu/ctr-publications/0-6374-2.pdf
11.9 MB
______________________________________________________________________________________________________

Pretensioned Box Beams: Prestress Transfer and Shear Behavior

3.

2013 ... Alejandro Avendaño [and six others] · Pretensioned concrete box beams have been used in highway bridges for more than half a century. Due to their geometry, they have often been used as a viable alternative to the classic I-shaped girders. Box beams are highly effective in cases where speed of construction is a priority.

5831-3 [CTR] ... FHWA/TX-13/0-5831-3

Full-text Link:
http://library.ctr.utexas.edu/ctr-publications/0-5831-3.pdf
11.9 MB
______________________________________________________________________________________________________

Strength and Serviceability Design of Reinforced Concrete Inverted-T Beams

4.

2013 ... Nancy Larson [and four others] · Significant diagonal cracking in reinforced concrete inverted-T straddle bent caps has been reported throughout the State of Texas. Many of the distressed structures were recently constructed and have generally been in service for less than two decades. The unique nature of the problem

6416-1 [CTR] ... FHWA/TX-13/0-6416-1

Full-text Link:
http://library.ctr.utexas.edu/ctr-publications/0-6416-1.pdf
9.1 MB
______________________________________________________________________________________________________

Non-Destructive Evaluation of In-Service Concrete Structures Affected by Alkali-Silica Reaction (ASR) or Delayed Ettringite Formation (DEF). Final Report, Part I

5.

2013 ... Eric R. Giannini [and six others] · Alkali-silica reaction (ASR) and delayed ettringite formation (DEF) are expansive reactions that can lead to the premature deterioration of concrete structures. Both have been implicated in the deterioration of numerous structures around the world, including many transportation structures in Texas.

6491-1 pt.1 [CTR] ... FHWA/TX-13/0-6491-1 [Part 1]

Full-text Link:
http://library.ctr.utexas.edu/ctr-publications/0-6491-1.pdf
5.2 MB
______________________________________________________________________________________________________

0-6491, Non-destructive Evaluation of In-Service Concrete Structures Affected by Alkali-Silica Reaction (ASR) or Delayed Ettringite Formation (DEF)

6.

2013 ... Research Performed by: Center for Transportation Research; Research Supervisor: Kevin Folliard; Researchers: Eric R. Giannini [and five others] · "Alkali-silica reaction (ASR) and delayed ettringite formation (DEF) are expansive reactions that can lead to the premature deterioration of concrete structures. Both have been

6491 PSR [CTR] ... 0-6491-S ... Project Summary Report

Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/0-6491-s.pdf
150 KB
______________________________________________________________________________________________________

0-6416, Shear Cracking in Inverted-T Straddle Bents

7.

2013 ... Research Performed by: Center for Transportation Research; Research Supervisor: Oguzhan Bayrak; Researchers: Nancy Larson [and three others] · "Diagonal web cracking of inverted-T straddle bent caps has been reported with increasing frequency in Texas, triggering concerns about current design procedures for such

6416 PSR [CTR] ... 0-6416-S ... Project Summary Report

Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/0-6416-s.pdf
167 KB
______________________________________________________________________________________________________

0-5831, Bursting and Shear Behavior of Prestressed Concrete Beams with End Blocks

8.

2013 ... Research Supervisor: Oguzhan Bayrak; Researchers: Catherine Hovell [and five others] · "In 2007, the Texas Department of Transportation (TxDOT) initiated Project 0-5831 to investigate the behavior of U-beams and box beams at prestress transfer and under shear loading. The primary goal of this project was to simplify the details

5831 PSR [CTR] ... 0-5831-S ... Project Summary Report

Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/0-5831-s.pdf
570 KB
______________________________________________________________________________________________________

Structural Performance of Texas U-Beams at Prestress Transfer and Under Shear-Critical Loads

9.

2013 ... Catherine Hovell [and five others] · The Texas U-Beam standard designs were released in the 1990's and have been used increasingly in bridges across the state since. While prototypes of the 54-in. deep prestressed concrete beam were built during the design phase, no full-scale load tests were performed. This study of the U-

5831-2 [CTR] ... FHWA/TX-13/0-5831-2

Full-text Link:
http://library.ctr.utexas.edu/ctr-publications/0-5831-2.pdf
8.3 MB
______________________________________________________________________________________________________

Bridge Deck Reinforcement and PCP Cracking : Final Report

10.

2013 ... Oghuzan Bayrak [and nine others] · Bridge decks composed of precast, prestressed panels (PCPs) overlain by cast-in-place (CIP) are popular in many states, including Texas. Optimization of top-mat reinforcement and reduction of collinear panel cracking were addressed in this project. Longitudinal top-mat reinforcement was

6348-2 [CTR] ... FHWA/TX-12/0-6348-2

Full-text Link:
http://library.ctr.utexas.edu/ctr-publications/0-6348-2.pdf
14.2 MB
______________________________________________________________________________________________________

0-6374, Effects of New Prestress Loss Predictions on TxDOT Bridges

11.

2013 ... Research Performed by: Center for Transportation Research; Research Supervisor: Oguzhan Bayrak; Researchers: David Garber [and four others] · "In 2008, TxDOT initiated Project 0-6374 to investigate prestress losses in pretensioned concrete girders. The prestress loss estimates in the AASHTO LRFD Bridge Design

6374 PSR [CTR] ... 0-6374-S ... Project Summary Report

Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/6374.pdf
168 KB
______________________________________________________________________________________________________

0-6348, Bridge Deck Reinforcement and PCP Cracking

12.

2013 ... Research Performed by: Center for Transportation Research; Research Supervisor: Richard E. Klingner; Researchers: Oguzhan Bayrak [and eight others] · "Bridge decks composed of precast, pre-stressed panels (PCPs) overlain by cast-in-place (CIP) are popular in many states of the United States, including Texas...

6348 PSR [CTR] ... 0-6348-S ... Project Summary Report

Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/6348.pdf
689 KB
______________________________________________________________________________________________________

Strut-and-Tie Model (STM) Examples for Bridges

13.

[2012] ... by C.S. Williams, Dean Deschenes, Oguzhan Bayrak · This CD-ROM contains six PowerPoint presentations (.pptx files) produced during TxDOT research implementation project 5-5253-01. The combined presentations provide an introduction to strut-and-tie modeling (STM) (When and why and step-by-step design

5253-01-P2 [CTR] ... Product 5-5253-01-P2

Full-text Link:
http://library.ctr.utexas.edu/digitized/zipfiles/5-5253-01-p2.zip
56.5 MB
______________________________________________________________________________________________________

Strut-and-Tie Model Design Examples for Bridges: Final Report

14.

2012 ... Chris Williams, Dean Deschenes, Oguzhan Bayrak · A series of five detailed design examples feature the application of state-of-the-art strut-and-tie modeling (STM) design recommendations. This guidebook is intended to serve as a designer's primary reference material in the application of STM to bridge components. The design

5253-01-1 [CTR] ... FHWA/TX-12/5-5253-01-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/5_5253_01_1.pdf
11 MB
______________________________________________________________________________________________________

PCP Cracking and Bridge Deck Reinforcement : An Interim Report

15.

2010 ... Richard E. Klingner, Oguzhan Bayrak, James O. Jirsa and Shih-ho Chao · TxDOT Project 0-6348 “Controlling Cracking in Prestressed Concrete Panels and Optimizing Bridge Deck Reinforcing Steel” started on September 1, 2008 and is scheduled to end on August 31, 2012. The project is proceeding on schedule. This report

6348-1 [CTR] ... FHWA/TX-11/0-6348-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_6348_1.pdf
1 MB
______________________________________________________________________________________________________

Blast-Resistant Highway Bridges : Design and Detailing Guidelines

16.

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

______________________________________________________________________________________________________

Aggregate Distribution Investigation in Box Beams Fabricated with Self Consolidating Concrete

17.

2009 ... Alejandro Avendano and Oguzhan Bayrak · In 2004, the Texas Department of Transportation initiated Project 0-5197 to investigate the feasibility of increasing the allowable compressive stress limit at prestress transfer. Initially, the live load performance of 36 specimens was evaluated by Birrcher and Bayrak (TxDOT Report

5197-01-1 [CTR] ... FHWA/TX-10/0-5197-01-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_5197_01_1.pdf
24 MB
______________________________________________________________________________________________________

Continuing Research on Allowable Design Release Stresses for Prestressed Concrete

18.

2009 ... Oguzhan Bayrak and Alejandro Avendano · In 2004, researchers investigated the feasibility of increasing the allowable compressive stress limit at prestress transfer. Initially, the live load performance of thirty-six specimens was evaluated. Later, forty-five Type-C beams and ten 4B28 box beams were tested to experimentally

5197-01 [CTR] ... PSR 5-5197-01-S ... Project Summary Report, 0-5917-01

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/5197.pdf

______________________________________________________________________________________________________

ASR/DEF-Damaged Bent Caps : Shear Tests and Field Implications

19.

2009 ... by Dean J. Deschenes, Oguzhan Bayrak and Kevin J. Folliard · "Over the last decade, a number of reinforced concrete bent caps within Houston, Texas have exhibited premature concrete damage (cracking, spalling and a loss of material strength) due to alkali-silica reaction (ASR) and/or delayed ettringite formation (DEF). The

Deschenes 2009 ... Technical Report No. 12-8XXIA006 ... IAC Report, 12-8xxIA006

Full-text Link:
http://library.ctr.utexas.edu/digitized/IACreports/IAC-12-8XXIA006.pdf
10.5 MB
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Strength and Serviceability Design of Reinforced Concrete Deep Beams

20.

2009 ... Oguzhan Bayrak [and five others] · An experimental study was conducted in which 37 reinforced concrete deep beam specimens were tested. The specimens are some of the largest deep beams ever tested in the history of shear research. The data from the experimental program and from a database of 179 deep beam tests in

5253-1 [CTR] ... 0-5253-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_5253_1.pdf
18 MB
______________________________________________________________________________________________________

Shear strength and behavior of prestressed concrete beams

21.

2008 ... by Alejandro R. Avendaño V. and Oguzhan Bayrak · An experimental study was conducted at the Phil M. Ferguson Structural Engineering Laboratory at the University of Texas at Austin to investigate possible shear performance issues for the new family of Tx girders. A comprehensive literature review revealed that similar I-

Avendano 2008 ... IAC-88-5DD1A003-3

Full-text Link:
http://fsel.engr.utexas.edu/publications/docs/IAC885DD1A003-3.pdf
3.2 MB
______________________________________________________________________________________________________

Bridge Deck Overhang Construction

22.

2008 ... by Sean P. Clifton and Oguzhan Bayrak · An experimental investigation was conducted at the Ferguson Structural Engineering Laboratory at the University of Texas at Austin to investigate the current bridge deck overhang construction practice as is relates to the use of the new Texas I-girders (Tx girders). Due to the wide and

Clifton 2008 ... IAC 88-5DD1A003-2

Full-text Link:
http://fsel.engr.utexas.edu/publications/docs/IAC885DD1A003-2.pdf
17.8 MB
______________________________________________________________________________________________________

Tensile Stresses in the End Regions of Pretensioned I-Beams at Release

23.

2008 ... by Matthew R. O'Callaghan and Oguzhan Bayrak · An experimental study was conducted at the Phil M. Ferguson Structural Engineering Laboratory at the University of Texas at Austin to investigate the cracking in end regions of pretensioned I-beams at prestress transfer. This horizontal cracking near the end face of the girder is

O'Callaghan 2008 ... IAC-88-5DD1A003-1

Full-text Link:
http://fsel.engr.utexas.edu/publications/docs/IAC885DD1A003-1.pdf
5 MB
______________________________________________________________________________________________________

Effects of Increasing the Allowable Compressive Stress at Release on the Shear Strength of Prestressed Concrete Girders

24.

2008 ... Christopher Heckman and Oguzhan Bayrak · In recent years, several research projects have been conducted to study the feasibility of increasing the allowable compressive stress in concrete at prestress transfer, currently defined as 0.60f'ci in the AASHTO LRFD Bridge Design Specifications. Increasing the limit would result in

5197-3 [CTR] ... FHWA/TX-09/0-5197-3

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_5197_3.pdf
9.5 MB
______________________________________________________________________________________________________

Allowable Compressive Stress at Prestress Transfer

25.

2008 ... Brian Schnittker and Oguzhan Bayrak · In 2004, The Texas Department of Transportation initiated Project 5197 to investigate the feasibility of increasing the allowable compressive stress limit at prestress transfer. Initially, the live load performance of 36 specimens was evaluated by Birrcher and Bayrak (TxDOT Report 5197-1,

5197-4 [CTR] ... FHWA/TX-09/0-5197-4

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_5197_4.pdf
7.9 MB
______________________________________________________________________________________________________

D-Region Strength and Serviceability Design

26.

2008 ... Oguzhan Bayrak [and five others] · Since the inclusion of Strut-and-Tie Modeling (STM) provisions in the AASHTO LRFD specifi cations in 1994, TxDOT engineers have been examining the impact that the provisions have on the design of their bent caps. In general, it has been difficult to implement the STM provisions due to their

5253 PSR [CTR] ... PSR 0-5253 ... Project Summary Report, 0-5253

Full-text Link:
https://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/5253.pdf
107 KB
______________________________________________________________________________________________________

Recommendations for the Use of Precast Deck Panels at Expansion Joints

27.

2008 ... Sharon L. Wood [and seven others] · Prestressed concrete panels have been used by the bridge construction industry in the state of Texas for many years to increase construction speed and improve safety and economy. At expansion joints, cast-in-place concrete is used and requires temporary formwork and slows

5367-1 [CTR] ... FHWA/TX-09/0-5367-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_5367_1.pdf
5.5 MB
______________________________________________________________________________________________________

Development of Simple Bridge Deck Details at Expansion Joints

28.

2008 ... RS: James Jirsa; Researchers: Lewis Agnew [and four others] · Research conducted under TxDOT Project 0-4418 provided information on the behavior of expansion joint details that has the potential to simplify bridge deck construction, reduce construction costs, and improve worker safety. Although the prime purpose of the

5367 [CTR] ... PSR 0-5367-S ... Project Summary Report, 0-5367

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/5367.pdf

______________________________________________________________________________________________________

Continuing Research on Allowable Design Release Stresses for Prestressed Concrete Beams

29.

2008 ... RS: Oguzhan Bayrak; Researchers: Alejandro Avendano · The research results of TxDOT Project 4086 provide a preliminary basis for suggesting that raising the allowable stress factors for release may be alternative. However, further testing of the specimens is necessary to determine the effects of having exposed the relatively

5197 [CTR] ... PSR 0-5197-S ... Project Summary Report, 0-5197-01

Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/psr/5197.pdf

______________________________________________________________________________________________________

Effects of Increasing the Allowable Compressive Stress at Release of Prestressed Concrete Girders

30.

2007 ... David Birrcher and Oguzhan Bayrak · In this report, the feasibility of increasing the allowable compressive stress limit at prestress transfer of 0.60f'ci is evaluated. For this purpose, the live-load performance and initial camber of pretensioned beams was investigated. Static-load tests were performed on 24 scaled and 12

5197-1 [CTR] ... 0-5197-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_5197_1.pdf
3.5 MB
______________________________________________________________________________________________________

An Investigation of the Tensile Strength of Prestressed AASHTO Type IV Girders at Release

31.

2007 ... Robin Tuchscherer, David Mraz and Oguzhan Bayrak · The intention of the research presented in this report was to determine the source of flexural cracking of AASHTO Type IV girders. Cracking was observed in the end regions of the beams at the time of prestress transfer. Seven full-scale AASHTO Type IV beam specimens were

5197-2 [CTR] ... 0-5197-2

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_5197_2.pdf
6 MB
______________________________________________________________________________________________________

Anchor Bolt Behavior in ASR/DEF-Damaged Drilled Shafts : Technical Report

32.

2007 ... by Sungjin Bae [and three others] · The primary objective of this research is to evaluate the effect of Alkali-Silica Reaction (ASR) and Delayed Ettringite Formation (DEF) on the structural performance of High Mast Illumination Pole (HMIP) foundations and if needed, to recommend a possible retrofitting method to strengthen

MS-8180 ... IAC 88-5DDIA004

Full-text Link:
http://library.ctr.utexas.edu/digitized/IACreports/IAC-88-5DDIA004.pdf
7.9 MB
______________________________________________________________________________________________________

Design of Structures 2006

33.

2006 ... [various authors] · · CONTENTS: Integration of Information and Automation Technologies in Bridge Engineering and Management: Extending the State of the Art / Stuart Chen and Arun M. Shirole; -- Analysis of Masonry Bridges: Discrete Finite Element Method / Iraj H. P. Mamaghani; -- Influence of Residual Damage on

TRR 1976 ... TRR 1976 ... Transportation Research Record (TRR), 1976

Full-text Link:
Ask librarian for assistance.
______________________________________________________________________________________________________

Bridge Slab Behavior at Expansion Joints

34.

2006 ... Christin J. Coselli [and six others] · The primary objective of this research study was to evaluate the behavior and capacity of the IBTS and alternate 8 in. UTSE (Uniform Thickness Slab End) details at expansion joints, especially on skewed ends of bridge slabs. The two full-scale CIP (cast-in-place) specimens, 0o and 45o

4418-1 [CTR] ... FHWA/TX-05/0-4418-1

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4418_1.pdf

______________________________________________________________________________________________________

Design for Shear in Reinforced Concrete Using Strut-and-Tie Models

35.

2006 ... Michael D. Brown [and five others] · The design of reinforced concrete members for shear was studied. Both strut-and-tie models (STM) and sectional methods were examined. Initially, the response of isolated struts was observed. Various layout of reinforcement were used within the isolated struts. Three series of deep beam tests

4371-2 [CTR] ... 0-4371-2

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4371_2.pdf

______________________________________________________________________________________________________

Design for Shear in Reinforced Concrete Using Strut-and-Tie Models : A Summary

36.

2005 ... M.D. Brown and O. Bayrak · The shear strength of reinforced concrete beams was investigated in this project. The research focused on deep beams similar to that shown in Figure 1. With the introduction of the AASHTO LRFD Bridge Design Specifications, structures such as those shown in Figure 1 must be designed using strut-and-tie

4371-S [CTR] ... PSR 0-4371-S ... Project Summary Report, 0-4371

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4371_S.pdf

______________________________________________________________________________________________________

Development of New Bridge Deck Details at Expansion Joints

37.

2005 ... C.J. Coselli [and six others] · The Texas Department of Transportation (TxDOT) currently uses, for most of its bridges, the “IBTS” standard detail for bridge slab ends at expansion joints (Figure 1). That detail has enabled TxDOT to eliminate the use of diaphragms at slab ends by increasing the thickness at slab ends. Slab ends are

4418-S [CTR] ... PSR 0-4418-S ... Project Summary Report, 0-4418

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4418_S.pdf

______________________________________________________________________________________________________

Investigation of Early Release of Pretensioned Beams : A Summary

38.

2005 ... M.E. Kreger and Oguzhan Bayrak · · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).

4086-S [CTR] ... PSR 0-4086-S ... Project Summary Report, 0-4086

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4086_S.pdf

______________________________________________________________________________________________________

Allowable Design Release Stresses for Pretensioned Concrete Beams

39.

2004 ... Alfredo Castro [and four others] · A research program was conducted in Ferguson Structural Engineering Laboratory at The University of Texas at Austin to determine whether elevated concrete stresses at extreme flexural fibers, relative to current allowable stresses, can be applied to pretensioned concrete beams at transfer. A

4086-2 [CTR] ... 0-4086-2

Full-text Link:
http://www.utexas.edu/research/ctr/pdf_reports/0_4086_2.pdf

______________________________________________________________________________________________________



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