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This course is sponsored by the Coasts, Oceans, Ports & Rivers Institute and part of the Port Engineering Certificate Program.

INSTRUCTORS: 
Marc Percher
Gayle Johnson

Purpose and Background

Piers and wharves present design challenges that differ considerably from buildings and similar structures. Conventional Building Codes, Section 11 specifically, excludes piers and wharves with no public access. To standardize industry practice for piers and wharves, the port/marine industry developed a seismic design standard, ASCE 61-14, to describe the interactions and performance between pile-supported structures and geotechnical load considerations to mitigate seismic risk. This Standard uses displacement-based design methods to establish guidelines for the design of piers and wharves to withstand the effects of earthquakes.

This course will help engineers and other practitioners understand the history of codes and standards, the fundamentals of seismic design, the background of ASCE 61-14 provisions, and the practical implementation of seismic design for piers and wharves with illustrative examples.

Benefits and Learning Outcomes

Upon completion of this course, you will be able to:

• Describe the provisions of ASCE 61-14.
• Explain the development history and conflicts in the latest codes, standards, and resources for piers and wharves.
• Identify and design for the types of piers and wharf structures supported on concrete or steel piles.
• Describe the types of seismic design classification, performance requirements, and seismic hazard levels.
• Describe the required process and applicable federal, state, and local design criteria for designing a pier and wharf.
• Apply understanding of geotechnical/structural interaction on design.
• Describe force-based design, displacement-based design, and performance-based design.
• Understand the process, procedures, and requirements of design and detailing.
• Identify the ancillary and nonstructural components of piers and wharves.

Assessment of Learning Outcomes

Achievement of the learning outcomes by attendees will be assessed through (3) exams.

Who Should Attend?

• Terminal owners and operators
• Public and private port engineering community
• Civil, structural, geotechnical, and mechanical engineers
• Academia and researchers working on marine and waterfront facilities
• Building officials

How to Earn your CEUs/PDHs

This course is worth 2.4 CEUs/24 PDHs. To receive your certificate of completion, you will need to complete (3) exams and receive a passing score of 70% or higher.

How do I convert CEUs to PDHs?

1.0 CEU = 10 PDHs [Example: 0.1 CEU = 1 PDH]

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Course Outline

Week 1: Seismic Design of Piers and Wharves
Course Introduction & Week Introduction
Fundamentals of Seismic Engineering
Terminology
Learning Exercise
Seismic Hazards Affecting Port Facilities
Historical Performance of Port Facilities in Past Earthquakes
Learning Exercise
Conclusion

Week 2: ASCE 61-14 Overview and Development History
Week Introduction
Code Development Process
History of Seismic Design for Piers and Wharves
ASCE 61-14
Learning Exercise
ASCE 61-19
Seismic Performance Objectives
Seismic Hazard Levels
Learning Exercise
Conclusion

Week 3: Marine Structures Structural Systems for Lateral Resistance
Week Introduction
Types of Pile Supported Piers and Wharves
Piers / Jetties
Steel Sheet Pile Bulkhead
Learning Exercise
Concrete Caisson Structures
Pile construction material selection
Deck Construction Material Selection
Learning Exercise
Conclusion

Week 4: Seismic Design Approach
Week Introduction
Defining the Project
Risk Acceptance
Pier and Wharf Design Philosophy
Learning Exercise
Site Information
Materials
Design Assumptions
General Modelling Assumptions
Other Considerations Influencing Design
Learning Exercise
Conclusion
Exam: Week 1-4

Week 5: Geotechnical Considerations
Week Introduction
Geotechnical Site Conditions and Seismic Setting
Ground Motions and Site Modification
Hazard Evaluation
Learning Exercise
Investigation and Analysis
Ground Improvement Options
Learning Exercise
Conclusion

Week 6: Soil-Structure Interaction
Week Introduction
Soil-Structure Interaction Approaches
Effective Fixity
Soil Springs
T-Z and Q-W Springs
Learning Exercise
Pseudo-Static Methods
Kinematic Loads
Kinematic Load Modeling
Learning Exercise
Conclusion

Week 7: Dynamics and Demand
Week Introduction
Equation of Motion
Damping and Vibration
Dynamic Analysis
Learning Exercise
Elastic Displacement Demand
Substitute Structure Method of Nonlinear Demand
Coefficient Method of Nonlinear Demand
Leaning Exercise
Conclusion

Week 8: Nonlinear Capacity
Week Introduction
Nonlinear Analysis Background
Real World Nonlinearity
Nonlinear Material Modeling
Learning Exercise
Modeling Material Nonlinearity
Moment Curvature Methods
Nonlinear Hinges
Static Nonlinear Analysis
Learning Exercise
Additional Considerations
Conclusion
Exam: 5-8

Week 9: Force-Based Design and Design of Ancillary Components
Week Introduction
Force-based design background
Force-based design approach
Learning Exercise
Ancillary component definition
Ancillary component design approach
Design of specific ancillary components
Learning Exercise
Conclusion

Week 10: Seismic Design Detailing
Week Introduction
Pile Shear Detailing
Pile Detailing
Steel Pile to Deck Detailing
Learning Exercise
Concrete Pile to Deck Detailing
Special Pile to Deck Detailing
Joint Shear
Learning Exercise
Joint Shear Detailing
Constructability Issues
Conclusion

Week 11: Special Seismic Design Topics
Week Introduction
Live loads
Combination of mooring and earthquake
Learning Exercise
Effect of D/t ratio on steel pipe pile performance
Combination of kinematic and inertial loads
Base isolation
Learning Exercise
Conclusion

Week 12: Design Example
Week Introduction
Basis of Design Materials
Modeling Geometry
Modeling Nonlinear Hinges
Modeling Nonlinear Hinges: Precast Pile at Deck
Modeling Nonlinear Hinges: Steel Pipe Pile
Modeling Nonlinear Hinges: Steel Pipe Pile Continued
Modeling Soil
Modeling Soil Structure Interaction
Modeling Response Spectrum Analysis
Example Problem Results
Results Pushover Curve
Detailing Capacity Protection Loads
Equipment Anchorage Simplified Method
Other Items to Design
Conclusion
Exam: 9-12