Schedule
Week 1: History of Earthquake Engineering and Performance-Based Seismic Design
Outcomes
- Summarize the history of earthquake engineering with respect to when hazards posed by specific existing building systems were identified.
- Describe how earthquake hazards are characterized and what parameters are used to assess existing buildings.
- Identify different building earthquake performance levels and what is appropriate for a given building.
Topics
- History of Earthquakes in the US and how they have exposed vulnerabilities with different construction practices
- Earthquake hazards and engineering parameters associated with them
- Structural and nonstructural performance levels for buildings
Week 2: Fundamental Concepts of Seismic Evaluation and The ASCE 41 Standard
Outcomes
- Describe the outline of the ASCE 41 Standard and explain the different ways it can be used to identify and mitigate earthquake hazards in existing buildings.
- Explain the fundamental concepts of displacement-based design and how it is used in the ASCE 41 standard.
- Correctly identify the differences between force and deformation-controlled elements and be able to classify elements of a building appropriately.
- Identify which structural elements are primary lateral force resisting elements and which are secondary elements in common building systems to classify elements of a building appropriately.
Topics
- Outline of the ASCE 41 Standard
- Deficiency-based versus systematic evaluation methodologies
- Capacity-based design principals
- Displacement-based design
Week 3: Deficiency-Based Seismic Evaluation and Retrofit
Outcomes
- Explain the basis for the deficiency-based procedures in ASCE 41 and how apply the procedures to existing structures.
- Successfully use the ASCE 41 Tier 1 checklists to screen for potential deficiencies.
- Correctly transition from a Tier 1 screening to a Tier 2 deficiency-based evaluation or retrofit.
Topics
- Introduction to deficiency-based procedures
- The Tier 1 Screening process
- The Tier 2 Deficiency-only evaluation
- Deficiency-based retrofit methods
Week 4: Seismic Evaluation and Retrofit of Steel Moment Frame Buildings
Outcomes
- Correctly identify common deficiencies in steel moment frame buildings.
- Explain what pre-Northridge beam-column connections are and how to effectively retrofit them.
- Determine if a frame’s columns have sufficient robustness to prevent global instability during earthquakes.
- Name three different of methods that can be used to retrofit steel moment frame structures.
Topics
- Summary of common seismic deficiencies with steel moment frame buildings
- Northridge Earthquake damage to steel moment frame buildings
- Column stability and splice deficiencies
- Retrofit of steel moment frame buildings
Week 5: Seismic Evaluation and Retrofit of Steel Braced Frame Buildings
Outcomes
- Identify the three most common deficiencies in older steel braced frame buildings.
- Learn how to determine if a building frame’s braces have sufficient robustness to resist the given earthquake forces.
- Determine if a frame’s columns have sufficient robustness to prevent bucking during an earthquake.
- Develop the knowledge to retrofit steel braced frame structures using three different approaches.
Topics
- Summary of common seismic deficiencies with steel braced frame buildings
- Brace and brace connection deficiencies
- Column stability and splice deficiencies
- Retrofit of steel braced frame buildings
Week 6: Seismic Evaluation and Retrofit of Reinforced Concrete Moment Frame Buildings
Outcomes
- Identify the two most common deficiencies in reinforced concrete moment frame buildings.
- Determine if columns have adequate reinforcement based on the building site’s level of seismicity.
- Explain how to implement two methods to retrofit concrete moment frame buildings.
Topics
- Summary of common seismic deficiencies with reinforced concrete frame buildings
- Column deficiencies
- Beam deficiencies
- Joint region deficiencies
- Slab-column frame systems
- Retrofit of reinforced concrete moment frame buildings
Week 7: Seismic Evaluation and Retrofit of Reinforced Concrete Wall Buildings
Outcomes
- Identify two most common deficiencies in reinforced concrete wall buildings.
- Evaluate if a concrete wall is shear or flexure controlled.
- Describe why an insufficient number walls in a building puts the gravity framing at risk of collapse.
- Develop the knowledge to apply two common methods to retrofit concrete wall buildings.
Topics
- Summary of common seismic deficiencies with reinforced concrete wall buildings
- Deformation compatibility and secondary framing
- Retrofit of reinforced concrete wall buildings
Week 8: Seismic Evaluation and Retrofit of Wood Framed Buildings
Outcomes
- Identify two most common deficiencies in wood framed buildings.
- Evaluate if a wall has sufficient nailing and proper hold downs for a given earthquake intensity.
- Describe if the floor or roof diaphragm provides sufficient load path to the walls under earthquake forces.
Topics
- Summary of common seismic deficiencies with wood framed buildings
- Wood shear wall deficiencies
- Configuration irregularities in wood buildings
- Retrofit of reinforced wood buildings
Week 9: Seismic Evaluation and Retrofit of Unreinforced Masonry Buildings
Outcomes
- Identify three most common deficiencies in unreinforced masonry buildings.
- Describe the most appropriate of the three evaluation procedures in ASCE 41 for URM building.
- Explore retrofit options for out-of-plane and in-plane wall deficiencies in unreinforced masonry buildings.
Topics
- Summary of common seismic deficiencies with wood framed buildings
- Unreinforced masonry wall out-of-plane deficiencies
- Unreinforced masonry wall in-of-plane deficiencies
- Retrofit of reinforced wood buildings
Week 10: Seismic Evaluation and Retrofit of Reinforced Masonry and Concrete Tilt-Up Buildings
Outcomes
- Identify the most common deficiency in rigid wall / flexible diaphragm buildings.
- Learn how to use the deficiency-based procedure to provide a cost-effective retrofit solution for a concrete tilt-up wall building.
Topics
- Summary of common seismic deficiencies with rigid wall / flexible diaphragm buildings
- Wall out-of-plane anchorage deficiencies
- Wall out-of-plane issues
- Roof diaphragm issues
- Retrofit of rigid wall / flexible diaphragm buildings
Week 11: Seismic Evaluation and Retrofit of Foundation Systems
Outcomes
- Identify two common seismic deficiencies with foundation systems.
- Explore if fixed-based or flexible-base modeling assumptions are appropriate for a specific building.
- Explain how soil-structure interaction effects affect the seismic response of a structure and when to use them in a building evaluation.
- Evaluate liquefaction effects on structures based on the three step procedure in ASCE 41.
Topics
- Summary of common seismic deficiencies with foundation systems
- Incorporating foundation flexibility in to analysis models
- Soil structure interaction
- Liquefaction effects
Week 12: Seismic Evaluation and Retrofit of Nonstructural Components
Outcomes
- Learn how to screen for nonstructural seismic deficiencies using ASCE 41 Tier 1 procedure.
- Describe and identify nonstructural life safety hazards and hazards that can affect building function.
- Explain how a building structural retrofit can be used to improve nonstructural performance.
Topics
- Summary of common 'what are nonstructural' components
- Life safety hazards
- Position Retention Nonstructural performance
- Operational Nonstructural performance
- Retrofit of nonstructural components
- Building retrofits to mitigate nonstructural performance
This course outline is subject to change