nchrp bridge research reviewnchrp bridge research...

AASHTO Subcommittee on BridgesAASHTO Subcommittee on Bridgesand Structures Annual Meetingand Structures Annual Meeting

NCHRP Bridge Research ReviewNCHRP Bridge Research Review

New Orleans, LouisianaJuly 5-9, 2009

Waseem Dekelbab, Ph.D., P.E., PMP

TRANSPORTATION RESEARCH BOARD

OF THE NATIONAL ACADEMIES

OutlinesOutlines

• NCHRP Program Funding

• NCHRP Bridge Research (FY 2010)

• NCHRP Bridge Research (FY 2003-2010),Handouts

• NCHRP Projects Supporting ABC & HfL

• NCHRP Project 20-83 Series

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$27,785,000Subtotal

$16,650,000New Projects

$11,135,000Continuation

Projects

NCHRP Program Funding (FY 2010)NCHRP Program Funding (FY 2010)

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FY 2010 NCHRP Subject Matter Distribution$27,785,000 / 54 Projects

FY 2010 NCHRP Subject Matter Distribution$27,785,000 / 54 Projects

$0.30$0.35$0.38

$0.60$0.77

$0.90$1.25$1.28$1.30$1.35$1.40$1.40

$1.63$2.18

$2.30$2.67

$3.00 $4.75

Traffic/Operations

Public Transportation

Workforce

Security

Hydrology/Hydraulics

Environment

Innovations

Design

Pavements

Bridges

Construction

Maintenance

Materials

Planning

Admin/Policy

Safety

Futuristic

Special (mixed)

Millions

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$21.8 $21.1$23.5

$18.3

$24.6 $26.3 $25.9

$3.52 $4.04 $4.13$2.78 $2.27 $2.27 $1.85

$0

$3

$6

$9

$12

$15

$18

$21

$24

$27

Fu

nd

ing

Millions

2004 2005 2006 2007 2008 2009 2010

Fiscal Year

Bridge Research Other Research

NCHRP Program FundingNCHRP Program Funding

TRANSPORTATION RESEARCH BOARD

OF THE NATIONAL ACADEMIES

86% 84% 85% 87% 92% 92% 93%

14% 16% 15% 13% 8% 8% 7%

0%

20%

40%

60%

80%

100%

Fu

nd

ing

(%)

2004 2005 2006 2007 2008 2009 2010

Fiscal Year

Bridge Research Other Research

NCHRP Program Funding (%)NCHRP Program Funding (%)

TRANSPORTATION RESEARCH BOARD

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$50KDevelopment of Guidelines forRehabilitation of Existing highway and RailTransit Tunnels

20-07/Task276

$500K

Conversion of the AASHTO "StandardSpecifications for Structural Supports forHighway Signs, Luminaires and TrafficSignals" to the Load and Resistance FactorDesign (LRFD) Methodology

10-80

$350KRoadway Bridges Fire Hazard Assessment12-85

$500KBridge System Safety and Redundancy12-86

$500KRisk-Based Approach to Bridge ScourPrediction

24-34

FundsTitleProject

NCHRP Bridge Research Report (FY 2010)NCHRP Bridge Research Report (FY 2010)

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HandoutsHandouts

NCHRP Bridge Research ReportFY 2003-2010

NCHRP Bridge Research ReportFY 2003-2010

TRANSPORTATION RESEARCH BOARD

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NCHRP Projects SupportingABC & HfL

NCHRP Projects SupportingABC & HfL

• NCHRP Project 10-71 Evaluation of CIPReinforced Joints for Full-Depth PrecastConcrete Bridge Decks

• NCHRP Project 12-74 Development ofPrecast Bent Cap Systems for SeismicRegions

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NCHRP Project 10-71Evaluation of CIP Reinforced Joints forFull-Depth Precast Concrete Bridge Decks

NCHRP Project 10-71Evaluation of CIP Reinforced Joints forFull-Depth Precast Concrete Bridge Decks

Objectives:

• Investigate of short and long-term materialproperties to select overnight and 7-day curematerials for joints

• Develop designs for CIP RC connections:

– Longitudinal and transverse connections between full-depth deck panels or deck flanges

– Longitudinal connections for precast composite slabspan system (PCSSS) superstructures

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Longitudinal and Transverse PrecastPanel/Flange Deck joints With:

Longitudinal and Transverse PrecastPanel/Flange Deck joints With:

U-bar Detail

Headed Bar Detail

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Precast Composite Slab-span systemPrecast Composite Slab-span system

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NCHRP Project 12-74Development of Precast Bent Cap Systemsfor Seismic Regions

NCHRP Project 12-74Development of Precast Bent Cap Systemsfor Seismic Regions

Experimental and analytical validation of:

• Non-integral

Emulative

• Cast-in-place control (test complete)

• Grouted duct x 2 (test complete)

• Cap pocket (test complete)

• Integral

– Post-tensioned bridge system

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Non-Integral, Emulative: Grouted DuctNon-Integral, Emulative: Grouted Duct

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Non-Integral, Emulative: FD Cap PocketNon-Integral, Emulative: FD Cap Pocket

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Non-Integral, Hybrid: ConventionalNon-Integral, Hybrid: Conventional

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Integral Bridge SystemIntegral Bridge System

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National Academy of Sciences 1863National Academy of Sciences 1863

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NCHRP Project 20-83 SeriesLong-range Strategic Issues

NCHRP Project 20-83 SeriesLong-range Strategic Issues

• Equip transportationpractitioners toanticipate and meet thefuture

• “It’s tough to makepredictions, especiallyabout the future.” YogiBerra

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Program Goal No. 1:Anticipate the futureissues so that we arebetter prepared tomeet new andemerging challenges.

NCHRP Project 20-83 SeriesLong-range Strategic Issues

NCHRP Project 20-83 SeriesLong-range Strategic Issues

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NCHRP Project 20-83 SeriesLong-range Strategic Issues

NCHRP Project 20-83 SeriesLong-range Strategic Issues

Program Goal No. 2:Explore visions of whatthe future should looklike, so that we canhelp shape the futurethrough our decisionmaking.

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Major Forces Affecting the U.S.and World

Major Forces Affecting the U.S.and World

• Demographics

• Environment and Energy

• Technology

• Economics

• Societal Factors

• Government and Politics

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Objective:Develop guidance for transportation stakeholders on emergingmaterials, tools, approaches, and technologies that could be usedto deal with long-range (30 to 50 years) highway infrastructuremaintenance, preservation, and renewal needs andensure satisfactory system condition and performance.

Phases:Phase I – Scenarios and ImpactsPhase II – Vision DevelopmentPhase III – Guidance and Communication

NCHRP Project 20-83(03) FY 09Long-Range Strategic Issues Affecting Preservation,Maintenance, and Renewal of HighwayInfrastructure

NCHRP Project 20-83(03) FY 09Long-Range Strategic Issues Affecting Preservation,Maintenance, and Renewal of HighwayInfrastructure

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NCHRP Project 20-83 SeriesLong-range Strategic Issues (FY 2010)

NCHRP Project 20-83 SeriesLong-range Strategic Issues (FY 2010)

In development (Total of $1M)20-83(0x)

Sustainable Transportation Systems andSustainability as an Organizing Principle forTransportation Agencies ($1m)

20-83(07)

Effects of Socio-Demographics on TravelDemand ($1m)

20-83(06)

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“The only thing we know about the future is that itwill be different.” Peter Drucker

“The only thing we know about the future is that itwill be different.” Peter Drucker

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AcknowledgementsAcknowledgements

• David B. Beal, SPO Retired in November. Davidjoined TRB in 1996 and was responsible for allbridge- and structures-related research of theNCHRP—much of this research has supportedthe adoption of various AASHTO specificationsaffecting the design and construction of bridgesthroughout our nation and elsewhere

• NCHRP Panel Members

• Research Teams

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