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INSTRUCTOR:
Ronald O. Hamburger, P.E., F.SEI, M.ASCE
Purpose and Background
The primary intent of seismic design provisions in U.S. and international building codes is to protect life safety. However, during the 1970s, 1980s, and 1990s, California, Oregon, and Washington experienced magnitude-6 or greater earthquakes at intervals of approximately 18 months. While these earthquakes did not result in significant loss of life, they caused extensive property damage, business interruption, and substantial economic loss.
In response, building owners and tenants began asking engineers to assess the probable performance of existing buildings and to design and retrofit structures to reduce potential business interruption and monetary losses from future earthquakes. These needs led to the development of performance-based earthquake engineering, initially as a means of evaluating and improving existing buildings and later as a method for designing new buildings with more predictable seismic performance.
Today, the International Existing Building Code incorporates performance-based seismic design through its adoption of ASCE 41. In addition, ASCE 7 Section 1.3.1.3 and IBC Section 104.11 permit the use of performance-based seismic, wind, and structural fire-resistance design for new buildings. Beyond enabling engineers to design structures that reliably meet owner expectations, performance-based design facilitates the use of innovative materials and approaches not currently addressed by building codes and allows for solutions that may not strictly conform to code provisions while still achieving the intended level of performance.
Performance-based design has become the predominant approach for designing seismic force-resisting systems in tall buildings throughout the world.
Benefits and Learning Outcomes
Upon completion of this course, you will be able to:
- Differentiate between performance-based and code-prescriptive design approaches.
- Identify the common uses of performance-based design in current engineering practice.
- Describe the procedures embodied in the three generations of performance-based design.
- Evaluate the opportunities and challenges associated with the use of performance-based design.
Assessment of Learning Outcomes
Achievement of the learning outcomes by attendees will be assessed through a short post test.
Who Should Attend?
- Structural engineers involved in the design of new buildings and retrofit of existing structures
- Seismic design specialists seeking an overview of current performance-based design methodologies
- Building officials and plan reviewers responsible for evaluating alternative design approaches
- Project managers and engineering managers overseeing complex building projects
- Building owners, facility managers, and owner representatives interested in achieving specific performance objectives for their facilities
- Architects and multidisciplinary design professionals who collaborate on performance-based building projects
Outline
Introduction to Performance-Based Seismic Design (45 Minutes)
- Evolution of seismic design philosophy
- Limitations of prescriptive code design
- Development of performance-based earthquake engineering
- Performance objectives and owner expectations
Current Applications and Regulatory Framework (45 Minutes)
- ASCE 41 and the International Existing Building Code
- ASCE 7 and IBC provisions for performance-based design
- Typical applications for existing and new buildings
- Performance-based design in tall buildings
Performance-Based Design Methodologies (90 Minutes)
- Overview of the three generations of performance-based design
- Analysis procedures and performance evaluation methods
- Selection of performance objectives
- Case study examples
Opportunities, Challenges, and Future Directions (60 Minutes)
- Benefits of performance-based design
- Use of innovative materials and systems
- Common implementation challenges
- Emerging trends and future developments
- Questions and discussion
How to Earn your CEUs/PDHs and Receive Your Certificate of Completion
This course is worth 0.4 CEUs/4 PDHs. To receive your certificate of completion, you will need to complete a short on-line post-test and receive a passing score of 70% or higher within 30 days of the course.
How do I convert CEUs to PDHs?
1.0 CEU = 10 PDHs [Example: 0.1 CEU = 1 PDH]
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