Accelerated Bridge Construction · PDF fileNY STATEWIDE CONFERENCE ON LOCAL BRIDGES 2012...

NY STATEWIDE CONFERENCE ON LOCAL BRIDGES 2012

Accelerated Bridge Construction ABC

Bala SivakumarHNTB Corp.

New York

EIGHTEENTH Statewide Conference on Local Bridges

October 23, 2012, Syracuse.

Topic Layout. Training time 4:00 hrs

Break 3:00-3:15

Session 2: ACCELERATED BRIDGE CONSTRUCTION & DESIGN

Sub-topics ABCD Tools for ABC from SHRP2 Design for ABC: Case Studies

Presenter Bala Sivakumar, HNTB

Bala Sivakumar, P.EVice President, Director of Special Bridge Projects

HNTB Corp., 5 Penn PlazaNew York CityNew York, USA

BIO DATABala Sivakumar is Vice President with HNTB Corp in the New York City Office. He is the Co-Principal Investigator for the SHRP2 R04 Project for HNTB and the lead developer of the ABC Toolkit. He has over 30 years national bridge engineering experience and has served as the lead engineer on many large and complex bridge projects in various states. He has also been active in bridge engineering research in LRFD, LRFD and calibration of bridge loadings. He was the primary author of the AASHTO LRFR methodology and has assisted NYSDOT in the transition to LRFR for statewide ratings. He has a Master’s degree in Structural Engineering from Cornell University and a Bachelor’s Degree in Civil Engineering from the Indian Institute of Technology, Madras, India.

ABC Training Outline2:30 hrs

1. Introduction to ABC (pg. 1) (30 min)

2. SHRP2 Project R04 - ABC Toolkit (pg. 17) (70 min)

3. ABC Pilot Projects (pg. 44) (50 min)• Prefabricated bridge system (Iowa)• Lateral slide (NY)

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Session 1

Introduction to ABC

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Session 2

ABC Toolkit for Designers from SHRP2

• Introduction to ABC Toolkit• ABC Conceptual Plans• ABC Conceptual Erection Concepts• Using the ABC Toolkit• ABC Design Sample calculations• Recommended ABC Specifications

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Session 3

ABC Pilot Projects

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Questions & AnswersFill in missing words:

1. ABC is bridge construction that uses design and construction methods to reduce the onsite construction time and __________

2. Time metrics for mobility impacts are measured in _____ Tiers

3. Two examples of prefabricated elements: _____________, __________

4. Two examples of prefabricated systems: ______________, ___________

5. Three bridge movement technologies: _______________, ____________, ___________

6. Incremental launching is when the structure is moved ___________________

7. One technique for rapid demolition _______________________

8. Two types of decked girders for ABC: __________________, ______________

9. Two types of abutments preferred for ABC: _______________, _____________

10. One overhead erection method: _________________

11. One camber leveling method: _____________________

12. Engineer of Record has to check erection stresses: Yes / No

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