Research at Case Western Reserve University has found that buildings that rock during an earthquake and return to plumb would withstand seismic shaking better than structural designs commonly used today in vulnerable zones of California and elsewhere.
Those buildings would also be more easily and cheaply repaired and could be put back into use faster, said Michael Pollino, an assistant civil engineering professor at Case School of Engineering. The computer model research suggests optimal sizes for damping devices and steel yielding devices that dissipate the energy of a quake.
Pollino’s model compares rocking steel-braced frames to current earthquake standards used in low- to mid-rise buildings. "Currently, engineers are designing low-rise structures for an earthquake that has a 10% chance of occurring in a 50-year-lifetime," Pollino said. "We accept there will be damage, but no collapse or loss of life. But what about an event that has a 50% chance of occurring? You may still have to tear the building down afterward.”
Pollino and other researchers are finding advantages to the design, which has not yet made it into practice. He and colleagues are discussing forming a technical committee of civil engineers that would advance the technology into practice. Pollino is now applying for funding to begin physically testing designs in the university's structures laboratory.
Related Stories
| Nov 7, 2014
World's best new skyscraper: Sydney's vegetated One Central Park honored by CTBUH
The Jean Nouvel-designed tower tops the list of 88 entries in the 13th annual Council on Tall Buildings and Urban Habitat Awards.
Sponsored | | Nov 6, 2014
To build your strongest team, don't hire clones
To attract and keep talented individuals who are different than you, Entrepreneur magazine suggests a few foundational principles. SPONSORED CONTENT
| Nov 6, 2014
Hines planning tall wood office building in Minneapolis
The Houston-based developer is planning a seven-story wood-framed office building in Minneapolis’ North Loop that will respect the neighborhood’s historic warehouse district look.
| Nov 6, 2014
Studio Gang Architects will convert power plant into college recreation center
The century-old power plant will be converted into a recreation facility with a coffee shop, lounges, club rooms, a conference center, lecture hall, and theater, according to designboom.
| Nov 6, 2014
WSP acquires engineering and commissioning firm ccrd
WSP is expanding its national presence by acquiring ccrd, a national MEP engineering and commissioning firm.
Sponsored | | Nov 6, 2014
Drilling deeper: On the ground insights from the Marcellus Shale region
The Marcellus Shale region is expansive, stretching from upstate New York through Pennsylvania to West Virginia. It’s an exciting time to live and work in the area. SPONSORED CONTENT
| Nov 5, 2014
AEC firms leverage custom scripts to bridge the ‘BIM language gap'
Without a common language linking BIM/VDC software platforms, firms seek out interoperability solutions to assist with the data transfer between design tools.
| Nov 5, 2014
Survey: More than 75% of workload takes place without face-to-face interactions
With the rise of technology, much of the workday—even the most productive morning hours—is spent corresponding via email or conference call, according to a recent survey of corporate workers by Mancini•Duffy.
| Nov 5, 2014
The architects behind George Lucas' planned Chicago museum unveil 'futuristic pyramid'
Preliminary designs for the $300 million George Lucas Museum of Narrative Art have been unveiled, and it looks like a futuristic, curvy pyramid.
Sponsored | | Nov 5, 2014
How to maximize affordability and sustainability through all-wood podiums
Wood podium construction takes an age-old material and moves it into the 21st century.