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
Codes and Standards | May 30, 2017
Heated debate over whether Calif.’s prevailing wage requirement stymies affordable housing
There’s disagreement around how much pay regulations add to cost of projects.
Reconstruction & Renovation | May 30, 2017
Achieving deep energy retrofits in historic and modern-era buildings [AIA course]
Success in retrofit projects requires an entirely different mindset than in new construction, writes Randolph Croxton, FAIA, LEED AP, President of Croxton Collaborative Architects.
| May 24, 2017
Accelerate Live! talk: Applying machine learning to building design, Daniel Davis, WeWork
Daniel Davis offers a glimpse into the world at WeWork, and how his team is rethinking workplace design with the help of machine learning tools.
| May 24, 2017
Accelerate Live! talk: Learning from Silicon Valley - Using SaaS to automate AEC, Sean Parham, Aditazz
Sean Parham shares how Aditazz is shaking up the traditional design and construction approaches by applying lessons from the tech world.
| May 24, 2017
Accelerate Live! talk: The data-driven future for AEC, Nathan Miller, Proving Ground
In this 15-minute talk at BD+C’s Accelerate Live! (May 11, 2017, Chicago), Nathan Miller presents his vision of a data-driven future for the business of design.
Architects | May 23, 2017
Queens Museum exhibit shows New York City as it could have been
The installation will showcase 200 years worth of unrealized Big Apple projects via original drawings, renderings, newly commissioned models, and 3D visualizations.
AEC Tech | May 11, 2017
Accelerate Live!: Social media reactions from BD+C's AEC innovation conference
BD+C's inaugural Accelerate Live! innovation conference took place May 11, in Chicago.
Multifamily Housing | May 10, 2017
Triple Treat: Developer transforms mid-rise into unique live-work lofts
Novus Residences’ revolutionary e-lofts concept offers tenants a tempting trio of options—‘live,’ ‘live-work,’ or ‘work’—all on the same floor.
Multifamily Housing | May 3, 2017
Silicon Valley’s high-tech oasis
An award-winning rental complex takes its design cues from its historic location in Silicon Valley.
Architects | May 3, 2017
Avoiding trouble in paradise: Tips on building successfully in the Caribbean
The island setting itself is at the root of several of these disruptive assumptions.
