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Research Quarterly. Volume 1 Issue 3
1.
2016 ... Rocio Perez, RTI Section Director, Research and Technology Implementation Office · · CONTENTS: Calendar -- Message from the Section Director -- TxDOT Adopting Innovative Technologies through SHRP2 Solutions Implementation Assistance Program -- Texas State Transportation Innovation Council to Convene in 2016
MS-28 v.1 no.3 ... Research Quarterly (Texas Department of Transportation)
Full-text Link:
http://ftp.dot.state.tx.us/pub/txdot-info/rti/newsletters/2015/winter.pdf
679 KB
______________________________________________________________________________________________________
Shear Behavior of Spliced Post-Tensioned Girders
2.
2015 ... Andrew Moore [and ten others] · "By its nature a spliced girder must contain a number of post tensioning tendons throughout its length. The focus of the experimental program described in this dissertation is the evaluation of the strength and serviceability of posttensioned girders loaded in shear, and, more specifically, how a post-
6652-1 [CTR] ... FHWA/TX-15/0-6652-1
Full-text Link:
http://library.ctr.utexas.edu/ctr-publications/0-6652-1.pdf
9.1 MB
______________________________________________________________________________________________________
Behavior of the Splice Regions of Spliced I-Girder Bridges
3.
2015 ... Chris Williams [and six others] · Spliced girder bridge technology continues to attract attention due to its versatility over traditional prestressed concrete highway bridge construction. Relatively limited data is available in the literature, however, for large-scale tests of spliced girders, and few studies have examined the behavior of the
6652-2 [CTR] ... FHWA/TX-15/0-6652-2
Full-text Link:
http://library.ctr.utexas.edu/ctr-publications/0-6652-2.pdf
17.9 MB
______________________________________________________________________________________________________
0-6652, Spliced Texas Girder Bridges
4.
2015 ... Research Performed by: Center for Transportation Research; Research Supervisor: Oguzhan Bayrak; Researchers: Chris Williams [and nine others] · The goal of this project was to develop a better understanding of spliced girder behavior. To accomplish this task, the project was divided into two phases. The Phase I research was
6652 Summary [CTR] ... PSR 0-6652-S ... Project Summary
Full-text Link:
http://library.ctr.utexas.edu/ctr-publications/psr/0-6652-s.pdf
512 KB
______________________________________________________________________________________________________
Structural Monitoring of the World’s First Precast Network Arch Bridge during Construction
5.
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
6.
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
7.
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
8.
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
9.
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)
10.
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 Summary [CTR] ... PSR 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
11.
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 Summary [CTR] ... PSR 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
12.
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 Summary [CTR] ... PSR 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
13.
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
14.
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
15.
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 Summary [CTR] ... PSR 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
16.
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 Summary [CTR] ... PSR 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
17.
[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
18.
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://ctr.utexas.edu/wp-content/uploads/pubs/5_5253_01_1.pdf
11 MB
______________________________________________________________________________________________________
PCP Cracking and Bridge Deck Reinforcement : An Interim Report
19.
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://ctr.utexas.edu/wp-content/uploads/pubs/0_6348_1.pdf
1 MB
______________________________________________________________________________________________________
Blast-Resistant Highway Bridges : Design and Detailing Guidelines
20.
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
21.
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://ctr.utexas.edu/wp-content/uploads/pubs/0_5197_01_1.pdf
24 MB
______________________________________________________________________________________________________
Continuing Research on Allowable Design Release Stresses for Prestressed Concrete
22.
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 Summary [CTR] ... PSR 5-5197-01-S ... Project Summary Report, 0-5917-01
Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/5197.pdf
______________________________________________________________________________________________________
ASR/DEF-Damaged Bent Caps : Shear Tests and Field Implications
23.
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
______________________________________________________________________________________________________
Strength and Serviceability Design of Reinforced Concrete Deep Beams
24.
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://ctr.utexas.edu/wp-content/uploads/pubs/0_5253_1.pdf
18 MB
______________________________________________________________________________________________________
Shear strength and behavior of prestressed concrete beams
25.
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/pdfs/IAC885DD1A003-3.pdf
3.2 MB
______________________________________________________________________________________________________
Bridge Deck Overhang Construction
26.
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/pdfs/IAC885DD1A003-2.pdf
17.8 MB
______________________________________________________________________________________________________
Tensile Stresses in the End Regions of Pretensioned I-Beams at Release
27.
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/pdfs/IAC885DD1A003-1.pdf
5 MB
______________________________________________________________________________________________________
Effects of Increasing the Allowable Compressive Stress at Release on the Shear Strength of Prestressed Concrete Girders
28.
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://ctr.utexas.edu/wp-content/uploads/pubs/0_5197_3.pdf
9.5 MB
______________________________________________________________________________________________________
Allowable Compressive Stress at Prestress Transfer
29.
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://ctr.utexas.edu/wp-content/uploads/pubs/0_5197_4.pdf
7.9 MB
______________________________________________________________________________________________________
D-Region Strength and Serviceability Design
30.
2008 ... Oguzhan Bayrak [and five others] · Since the inclusion of Strut-and-Tie Modeling (STM) provisions in the AASHTO LRFD specifications 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 Summary [CTR] ... PSR 0-5253-S ... Project Summary Report, 0-5253
Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/5253.pdf
107 KB
______________________________________________________________________________________________________
Recommendations for the Use of Precast Deck Panels at Expansion Joints
31.
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://ctr.utexas.edu/wp-content/uploads/pubs/0_5367_1.pdf
5.5 MB
______________________________________________________________________________________________________
Development of Simple Bridge Deck Details at Expansion Joints
32.
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 Summary [CTR] ... PSR 0-5367-S ... Project Summary Report, 0-5367
Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/5367.pdf
______________________________________________________________________________________________________
Continuing Research on Allowable Design Release Stresses for Prestressed Concrete Beams
33.
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 Summary [CTR] ... PSR 0-5197-S ... Project Summary Report, 0-5197-01
Full-text Link:
http://library.ctr.utexas.edu/hostedpdfs/txdot/psr/5197.pdf
______________________________________________________________________________________________________
An Investigation of the Tensile Strength of Prestressed AASHTO Type IV Girders at Release
34.
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://ctr.utexas.edu/wp-content/uploads/pubs/0_5197_2.pdf
6 MB
______________________________________________________________________________________________________
Effects of Increasing the Allowable Compressive Stress at Release of Prestressed Concrete Girders
35.
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://ctr.utexas.edu/wp-content/uploads/pubs/0_5197_1.pdf
3.5 MB
______________________________________________________________________________________________________
Anchor Bolt Behavior in ASR/DEF-Damaged Drilled Shafts : Technical Report
36.
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
37.
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
38.
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://ctr.utexas.edu/wp-content/uploads/pubs/0_4418_1.pdf
______________________________________________________________________________________________________
Design for Shear in Reinforced Concrete Using Strut-and-Tie Models
39.
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://ctr.utexas.edu/wp-content/uploads/pubs/0_4371_2.pdf
______________________________________________________________________________________________________
Design for Shear in Reinforced Concrete Using Strut-and-Tie Models : A Summary
40.
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 Summary [CTR] ... PSR 0-4371-S ... Project Summary Report, 0-4371
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/0_4371_S.pdf
______________________________________________________________________________________________________
Development of New Bridge Deck Details at Expansion Joints
41.
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 Summary [CTR] ... PSR 0-4418-S ... Project Summary Report, 0-4418
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/0_4418_S.pdf
______________________________________________________________________________________________________
Investigation of Early Release of Pretensioned Beams : A Summary
42.
2005 ... M.E. Kreger and Oguzhan Bayrak · · Publ. by: University of Texas at Austin. Center for Transportation Research (CTR).
4086 Summary [CTR] ... PSR 0-4086-S ... Project Summary Report, 0-4086
Full-text Link:
http://ctr.utexas.edu/wp-content/uploads/pubs/0_4086_S.pdf
______________________________________________________________________________________________________
Allowable Design Release Stresses for Pretensioned Concrete Beams
43.
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://ctr.utexas.edu/wp-content/uploads/pubs/0_4086_2.pdf
______________________________________________________________________________________________________
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