AASHTO Oversight Committee Update and the 2005 LRFD SURVEY Jim Moore, Vice Chair, SCOBS New Hampshire DOT
ASHTO LRFD Oversight Committee
Jim Moore, NH, Chair Mal Kerley, VA Rich Pratt, AK Sue Hida, CA William Nickas, FL Ralph Anderson, IL Tom Domalgalski, IL Norm McDonald, IO Scott Christie, PA Ken Hurst, KS Loren Risch, KS Ed Wasserman, TN Tony Allen, WA Jerry Weigel, WA Jawdat Saddiqi, OH
Jugesh Kapur, WA Harry Capers, NJ Kelley Rehm, AASHTO Ken Kobetsky, AASHTO Jose Aldayuz, AASHTO Erin Grady, AASHTO Deborah Doehr Kim, AASHTO Dave Beal, TRB Myint Lwin, FHWA Firas Ibrahim, FHWA Ian Friedland, FHWA Jerry DiMaggio, FHWA Phil Yen, FHWA Tom Saad, FHWA
ASHTO LRFD Oversight Committee Initiatives Conduct
the annual LRFD “Needs” survey. Manage the AASHTO Specification maintenance contract. Initiate a NCHRP project to develop LRFD seismic design provisions – NCHRP 20-7, Task 193 Disseminate LRFD Implementation planning process and tips to assist States in establishing a roadmap for LRFD implementation – www.fhwa.dot.gov/bridge/lrfd Post LRFD training and reference resources – http://lrfd.aashtoware.org/
ASHTO LRFD Oversight Committee Initiatives (cont’d) FHWA initiatives in partnership with the Oversight Committee
Two Comprehensive Design Examples (currently being updated for 2005 Interims) Rewrite/Update Section 10 of LRFD Specifications Develop NHI Course No. 130082 – LRFD for Highway Bridge Substructures and Walls (available pending adoption of proposed Section 10) Currently developing NHI 130081 – Superstructure Design (available February 2006) “Just-in-time” training - Steel and Concrete Superstructure Design – FHWA, NSBA and PCA/NCBC
AK 95%
AASHTO LRFDOC Scoreboard LRFD Survey May 2005& Local Governments LRFD Implementation by States As of March, 2003 WA 100%
MT 35%
OR 100%
ND
MN 40%
ID 100%
WI
UT 75%
CO 90%
IA 5%
KS 50%
MO
IL 5%
NM
OK 100%
WV 80%
KY TN
VT 5% 0- 24-10 0- 2-2
NH MA RI CT 50%
NJ 100% VA NC
AR 5% MS
TX 13%
PA 100%
OH
IN
CA
AZ
NY 50%
MI
WY NE 60%
NV
ME 100%
SD 10%
DE 0/2
DE 100% MD DC
SC 50% AL
GA
LA
FL 100%
Federal Lands
PR HI 100%
Full Implementation
50-90% Partial Implementation Full Implementation 26-50% Partial Implementation Partial Implementation 11-25% Partial Implementation Sample Designs 1-10% Partial Implementation No/Little Implementation No Implementation
For updates and inquiries, contact: Firas I Sheikh Ibrahim, PhD, PE LRFD Engineer Federal Highway Administration Office of Bridge Technology HIBT-10, Room 3203 400 7th. St. SW Washington, DC 20590 (202)-366-4598 Direct (202)-366-4589 Main Office (202)-366-3077 Fax Firas.Ibrahim@ fhwa .dot. gov http://www. fhwa .dot. gov /Bridge/
mplementation Level – 2005 Number of states)
1 17 19
8
2
6
No Implementation 1-10% Impl. 11-25% Impl. 26-50% Impl. 50-90% Impl. All New Designs
arget date for LRFD Implementation 17
States currently use LRFD for all new designs 13 States report implementation for all new designs will be completed by the end of 2006 21 States have targets for full implementation in 2007 2 states indicated no target date for full implementation
mplementation of LRFD for Deep Foundations and etaining Walls
8
Apply LRFD for foundation design
8
Trial Foundation Designs complete Some Implementation between 10-90%
32 5
Still use Standard Specification or State specific provisions
tates Using and Evaluating LRFR 10
28
15
Use LRFR Have completed trial ratings No evaluation of LRFR
tate “Needs” - Areas for improvement - Tools More
Design Examples (keep them up-to-
date) More formal training, especially in the area of foundation and wall design Simplifications to the design process Load rating Catch-up period
http://lrfd.aashtoware.org/
RFD Spending Funds
available (as of June 15th)
$777,159.00 in AASHTO LRFD Account » Includes $37,159.00 remaining from Voluntary contributions in 2003, plus $640,000.00 transferred from the Iowa Pooled Fund in May 2005
$790,000.00 paid into the LRFD Pooled Fund $260,000.00 committed for FY 2006 Total Available for FY 2006 - $1,827,159.00
RFD Spending – FY 2005 Consultant Contract for Technical Assistance and Spec Maintenance – Modjeski and Masters, Inc.
$181,874.40
Update of Steel Design Example
$43,800
$30,000
Supplement to NCHRP Seismic 20-07 Project
$75,000
Review by two consultants of White Paper on LRFD Calibration Issues in Foundations
$10,000
TOTAL SPENDING (not including AASHTO staffing expenses)
$340,674.40
Technical Committee Meeting Assistance
uture Funding No
commitments have been made by states to fund LRFD efforts past FY 2006
To
continue to support the maintenance of the LRFD specifications, as well as training efforts needed to aid implementation, funding will need to continue at least through the Oct. 2007 implementation date
Future
solicitations for the LRFD Pooled Fund are expected.
ASHTO Oversight Committee Funding Technical Support $255,674.40 Research/Product development $ 85,000.00
To continue to support the maintenance of the LRFD specifications, as well as training efforts needed to aid implementation, expenditures from the current pooled funds will continue at least through the October 2007 Implementation target date
