Simpson shakes things up in world's largest shake table test
Click Here to see the test.
Colorado State University and Simpson Strong-Tie along with other partners successfully led the world’s largest earthquake shake table test in Japan on Tuesday, showing that mid-rise wood-frame buildings can be built to withstand major earthquakes.
“Thorough, detailed analysis of the data won’t be available for weeks, but scientists are pleased with the initial results,” said John van de Lindt, principal investigator on the test and civil engineering professor at Colorado State University.
Tuesday’s 40-second test, approximating a 7.5 magnitude earthquake, was the strongest test, occurring on a seven-story condominium tower with 23 one- and two-bedroom living units. The test, held in Miki City, near Kobe, Japan, was on the world’s largest earthquake shake table owned by Japan’s E-Defense, a 3-D, full scale earthquake testing facility. The tower is the largest wood-frame building ever built and tested.
“Early results of the testing this summer show that the building performed so well and had so little damage that it validated the design philosophy developed by Colorado State, other universities in the National Science Foundation’s Network for Earthquake Engineering Simulation and our industry collaborators,” said van de Lindt.
Steve Pryor, structural engineer for Simpson Strong-Tie and project collaborator added, "The testing thus far has shown that performance-based design for light-frame wood structures works. This will allow the engineering and building community to provide safer, better performing buildings in the most cost-effective manner."
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