A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
A regional perspective on defining seismic performance objectives for woodframe buildings
Abstract In this paper, we examine issues related to the definition of seismic performance objectives at a regional scale. Specifically, we introduce a new regional seismic loss model for woodframe buildings and a building variant selection method that identifies a specific design for each building in a region based on stated performance objective policy guidelines. We then present full-scale applications of these methods for the city of Los Angeles, and examine how such analyses can inform a deliberative, public decision making process about what might constitute appropriate, achievable regional performance goals. The results suggest that for woodframe buildings, efforts to define performance policies at a regional scale should consider the empirical limits of what is reasonably achievable and how those vary by building type and location. Empirical and analytical analyses also indicate that targeting individual building loss performance does not necessarily guarantee the same level of regional loss performance. Further, at smaller target loss levels, the achieved regional loss may not be conservative in that the return period is smaller than in the targeted individual performance objective. While the empirical results presented apply only to woodframe buildings in Los Angeles, the general approach to examining performance policies at a regional scale could be applied to other structural types or regions.
Highlights We introduce a new regional seismic loss model for woodframe buildings. We introduce a building design selection method. Regional performance policies must consider empirical limits of what is achievable. Individual building loss performance does not guarantee same regional performance. Achieved regional loss performance may not be conservative.
A regional perspective on defining seismic performance objectives for woodframe buildings
Abstract In this paper, we examine issues related to the definition of seismic performance objectives at a regional scale. Specifically, we introduce a new regional seismic loss model for woodframe buildings and a building variant selection method that identifies a specific design for each building in a region based on stated performance objective policy guidelines. We then present full-scale applications of these methods for the city of Los Angeles, and examine how such analyses can inform a deliberative, public decision making process about what might constitute appropriate, achievable regional performance goals. The results suggest that for woodframe buildings, efforts to define performance policies at a regional scale should consider the empirical limits of what is reasonably achievable and how those vary by building type and location. Empirical and analytical analyses also indicate that targeting individual building loss performance does not necessarily guarantee the same level of regional loss performance. Further, at smaller target loss levels, the achieved regional loss may not be conservative in that the return period is smaller than in the targeted individual performance objective. While the empirical results presented apply only to woodframe buildings in Los Angeles, the general approach to examining performance policies at a regional scale could be applied to other structural types or regions.
Highlights We introduce a new regional seismic loss model for woodframe buildings. We introduce a building design selection method. Regional performance policies must consider empirical limits of what is achievable. Individual building loss performance does not guarantee same regional performance. Achieved regional loss performance may not be conservative.
A regional perspective on defining seismic performance objectives for woodframe buildings
Han, Yeliang (author) / Davidson, Rachel A. (author) / Black, Greg (author) / Pei, Shiling (author)
Structural Safety ; 43 ; 50-59
2013-03-22
10 pages
Article (Journal)
Electronic Resource
English
A regional perspective on defining seismic performance objectives for woodframe buildings
| Online Contents | 2013
A regional perspective on defining seismic performance objectives for woodframe buildings
| British Library Online Contents | 2013
| British Library Online Contents | 2010