Integrated Bridge Project Delivery &
Life Cycle Management
FHWA Project: DTFH61-06-D-00037
Presented By
Arun M. Shirolé, P.E.
Senior Vice President
Arora and Associates, P.C.
In Collaboration With
Dr. Stuart S. Chen, P.E.
Dr. Jay Puckett, P.E.
2008 AASHTO SCOH Annual Meeting
Project Background
Emphasis of Current Efforts
•
Cost-Effective Use of Prefabrication Techniques
for Bridge Components
•
Advanced Materials Technologies, such as Self
Consolidated Concrete
•
Construction Methods, e.g. Stage Construction,
Use of SPMTs and Incremental Launching for
Bridge Superstructures
Project Background
What is Needed
•
“Fundamental Re-Thinking” of the Antiquated
Processes that are still being used to Deliver
Bridge Projects
We are Nearing the End of an Era
•
Relied on “Paper” for Centuries, as a Primary
Representation for Engineering and Construction
•
Only Industry Producing 3D Products Using 2D
Drawings
Project Background
Other Industry Initiatives
•
Building and Other Industries (Auto, Aerospace
and Marine) have Documented Reduced Costs,
Faster Delivery and Improved Quality Resulting
from 3D Based Integrated Design and
Manufacturing Processes.
•
Recent Examples
GM Plants, Denver Museum, Queen Mary 2
Queen Mary 2
American Institute of Architects (AIA):
New model agreements for integrated project
delivery (IPD)
•
Both require use of Building Information Models and a
division of the project into phases
1. Transitional document for those unaccustomed to
IPD
2. Single purpose entity, offering a fully integrated
way to deliver a building
(Excerpts from “AIA Issues New Docs For Integrated Delivery”, by Nadine M. Post, ENR.com)
•
MTA NYCTA implementing BIM on all projects by
2009.
Project Background
Piecemeal Progress in the Industry
•
Parametric Design Tools and TransXML Omit
Detailing for Fabrication and Construction
•
3D Pre-Cast Concrete Modeling Tools are not (yet)
Bridge-Oriented
•
Bridge Inspection or Design/Rating (e.g.) Apps each
Require their own Data (Re)Entry
•
3D Geometry Created (e.g., Visualization, Structural
Analysis) is not also Leveraged for Fabrication &
Construction, or Management Purposes
Where Electronic Data Exchange is Pursued, only
Pieces of the Overall Workflow are Involved
•
Project Background
• FHWA International Review Tour 1999
- Prevalent CAD/CAM in Europe, Japan
• FHWA Workshop 2001: “Computer
Integrated Steel Bridge Design and
Construction: Expanding Automation”
Established a Roadmap for Integrating Steel
Bridge Design-through-Construction Processes
and for Advancing the State-of-the-Art Practice
in Steel Bridge Manufacturing Automation and
Productivity
Project Background
“Theme Areas” Progress:
•
3D Modeling & Electronic Info. Transfer:
NCHRP 20-07 Task 149 Project (Completed Nov. 2003)
•
Standardized Specs and Approval Processes:
NSBA/AASHTO Collaboration
•
Standardized Design Details:
NSBA/ AASHTO Collaboration
•
Showcase of Benefits of Automation:
AASHTO Subcommittee on Bridges and Structures
Resolution (2005)
FHWA Project: DTFH61-06-D-00037
2D vs. 3D
2D CAD provides an Electronic
“drawing board”
3D CAD enables a parametric
model
2D Drawings contain the
information
3D model contains the info;
drawings are only reports
2D Drawings human-readable;
separate manual data entry
is required for analysis
3D model is computer-readable,
such that direct analyses are
possible
Coordination is difficult;
information is scattered
among different drawings
and specifications clauses
Coordination is automatic: 3D
model is the single source
for all product information
Manual checking
Automated checking
No support for production
Potentially full support for
production (via CNC codes
etc.)
What This Is About
Overview of Project Vision
•
Develop a Prototype Integrated System
Illustrating the Data Exchanges and Applications
•
Addresses entire Bridge Life Cycle
•
Utilize 3-D Bridge Information Modeling (BrIM) as
a Technology to Accelerate Bridge Project
Delivery and Enhance Life Cycle Management
•
Demonstrate the Viability, Efficiencies and
Benefits of the Integrated Bridge Project Delivery
and Life Cycle Management Concept (POC)
Project Scope
•
A Large and Complex Project
•
Relates Many Data Exchanges and Stakeholders
•
Involves Development of a Prototype - Not
Production - Software Linking Appropriate
Existing Commercial Software that Demonstrates
a Viable Integrated System for Bridge Project
Delivery and Life Cycle Management
Project Objectives
•
Develop integration and linking software
•
Demonstrate utility of an integrated approach
•
Promote benefits and efficiencies of this
approach
•
Develop and conduct one-half and two day
workshops
•
Make presentations to illustrate use of the
system for concrete and steel bridges
Project Approach
•
Generate a 3D Architectural Blueprint for
Integrating Various Phases into the
Automated Processes
•
Significantly Improved 2D Design Drawings, as
well as Construction Drawings, in Conjunction
with Life Cycle Management Through Automation
A View of the Life Cycle Process
Concept: Process Integrated around
Central Data Repository
Formwork fabricator
Architect or contractor
Material suppliers
Outside
Exchanges
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exchanges
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Enterprise
Applications
Shop drawing
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Scheduling and workflow app.
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Quincy Avenue Bridge
Extending Linkages
•
CAD (Computer-Aided Design)
•
CIM (Computer-Integrated Manufacturing)
•
Construction Modeling (e.g., Erection)
•
Construction Management
•
Operations, Maintenance, Life Cycle
Management
TriForma Estimate
(“It’s ‘in there’”)
Manufacturing Too (via CNC)
•
•
•
Automatic Pop-marking
Stiffener plates etc.
Avoid manual layout process
Multi-User Mode:
•
•
•
Different people working
together using a single model
Within an organization and
discipline
Between organizations and
disciplines
Workflow Demonstration
Utilizing Linkages
• Data Input
• Analysis
• Design Checks
• Superstructure
- Visualization
- Detailing
• Substructure
- Visualization
- Detailing
STRENGTH LIMIT STATE:
Positive Moment Region:
[S6.10.6 '04]
[S6.10.7 '04]
COMPACT SECTIONS:
[S6.10.7.1 '04]
Sections that satisfy the following requirements shall qualify as compact sections:
 the specified minimum yield strengths of the flanges and web do not exceed
485 MPa,
 the web satisfies the requirement of Article 6.10.2.1.1, and:
2 Dcp
Es
 the section satisfies the slenderness limit:
 3.76 
tw
Fyc
[S6.10.7.1.1-1 '04]
Depth of web in compression at the plastic moment:
[D6.3.2 '04]
  ybar  tf.t  

  0 mm  
Dcp  max 
section 
Dcp  126.2 mm
 2 Dcp
"Compact" if 
 tw
 3.76 
  Fyc  
D
Es  

 max 
   485 MPa   150 
Fyc  
t
F

  yt  
 w
"Non-compact" otherwise
section  "Compact"
Strength limit state check:
Mu 
1
3
flSxt   f Mn
[S6.10.7.1.1-2 '04]
Nominal Flexural Resistance:
[S6.10.7.1.2 '04]
Dp  ts  thaunch  ybar
Dp  401.1 mm
Dt  ts  thaunch  d
Dt  1600.0 mm
Mn 
Mn  11880.6 kN m
Mp if Dp  0.1 Dt

 Dp  
  otherwise
 Dt  
Mp  1.07  0.7 

[S6.10.7.1.2-1 '04]
[S6.10.7.1.2-2 '04]
Summary
•
Complex and a Non-Typical R&D Project
•
Aimed at Establishing the Viability of an
Integrated Bridge Project Delivery and Life Cycle
Management System
•
Resulting Product:
An Integrated Prototype System, with Linking
Software, that Connects Existing Commercial
Software for All Major Phases of Bridge Life
Project Team
Arora and Associates, P.C.
Arun M. Shirolé, P.E., Timothy J. Riordan, P.E.
State University of New York
Stuart Chen, Ph.D., P.E.
University of Wyoming
Jay Puckett, Ph.D., P.E.
Federal Highway Administration
Krishna Verma, P.E.
THANK YOU!