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Issue Team Recommendations for Wood & CFS Mid-rise light-frame shear wall buildings New soft-story structures New hillside structures New open front structures Light-frame structures with masonry veneer Mid-rise Light-frame Shear Wall Buildings: Performance, Design, Detailing

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issue team recommendations for wood cfs
Issue Team Recommendationsfor Wood & CFS

Mid-rise light-frame shear wall buildings

New soft-story structures

New hillside structures

New open front structures

Light-frame structures with masonry veneer

mid rise light frame shear wall buildings performance design detailing3
Mid-rise Light-frame Shear Wall Buildings:Performance, Design, Detailing
  • Issues:
  • Extended into mid-rise construction without adequate knowledge of seismic performance
  • Is adequate safety provided?
  • How do we design for performance?
  • What tools are needed for multi-story stacked shear wall analysis and design?
new soft story structures reconsider irregularity implications5
New Soft-story Structures:Reconsider Irregularity Implications
  • Issues:
  • Analysis and shake table testing consistently shows that light-frame construction exhibits extreme soft story behavior, regardless of design to avoid this behavior
  • Study is needed to consider what is achieved by current code limitations and practical ways to approach new building design
new soft story structures reconsider irregularity implications6
New Soft-story Structures:Reconsider Irregularity Implications
  • Resources:
  • San Francisco CAPSS/ATC 71-1
  • CUREE-Caltech Woodframe Project
  • NEESWood Project
  • UC Berkeley House Testing
  • Others?
new hillside structures design recommendations8
New Hillside StructuresDesign Recommendations
  • Issues:
  • In the Northridge Earthquake, collapses occurred in light-frame hillside structures
  • A substantial portion of housing inventory is of hillside construction
  • Current code permits design of hazardous buildings
new hillside structures design recommendations9
New Hillside StructuresDesign Recommendations
  • Resources:
  • Northridge earthquake experience
  • City of Los Angeles ordinance
  • CUREE-Caltech woodframe project
new open front light frame structures design recommendations11
New Open-front Light-frame Structures:Design Recommendations
  • Issue:
  • Current code permits construction of potentially hazardous buildings
new open front light frame structures design recommendations12
New Open-front Light-frame Structures:Design Recommendations
  • Resources:
  • CUREE-Caltech Woodframe Project
  • Analytical study by Jian Xu – WSU
  • TS7 work from 2003 Provisions
new light frame structures with masonry veneer design recommendations
New Light-frame Structures with Masonry Veneer: Design Recommendations
  • Issues:
  • Demands on light-frame structure from masonry veneer
  • Anchorage of veneer to structure
  • Resources:
  • NSF/NEES Project
issue team recommendations for wood cfs14
Issue Team Recommendationsfor Wood & CFS

Mid-rise light-frame shear wall buildings

New soft-story structures

New hillside structures

New open front structures

Light-frame structures with masonry veneer