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Seismic Evaluation and Retrofit of Existing Buildings Course Outline

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    Week 01: 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 02: 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 03: 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 04: 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 05: 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 06: 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 07: 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 08: 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 09: 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

      Registration opens soon!

      This course outline is subject to change

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