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Researchers to simulate LA quake to test new buildings. Engineers are set to recreate the tremors of powerful earthquakes to test the durability of a two- story wooden structure, in hopes to one day create buildings as tall as 2. The tests will use the UC San Diego’s massive shake table, which can simulate the forces of devastating quakes such as the 6. Northridge event, which tore through the LA area in 1. Using the data from the simulations, researchers will later return to the facility to construct a 1. Scroll down for video Engineers are set to recreate the tremors of powerful earthquakes to test the durability of a two- story wooden structure, in hopes to one day create buildings as tall as 2. ROCKING WALLS The researchers are testing buildings that incorporate ‘rocking walls’ and a high- performance material known as cross- laminated timber (CLT).
Rocking walls will rock during an earthquake, but then reset themselves to their correct position. Watch The Family Tree Putlocker#. These systems use vertical mass timber walls, connected to the foundation by post- tensioned rods running through the floor, the researchers explain. They also contain U- shaped steel energy dissipators.‘Designing buildings that are safe even during large earthquakes is hugely important,’ said said professor Shiling Pei, an Assistant Professor at CSM.‘We are doing that – and we are going further. 'We are working to minimize the amount of time buildings are out of service after large earthquakes.‘We are also focused on cutting the costs required to repair them.’In the tests led by the Colorado School of Mines, engineers will see how their two- story building holds up against the largest shake table in the world. The structure uses a new material known as cross- laminated timber, which could make buildings more resilient in the event of a disaster. This means that a building could not only survive an earthquake, but be strong enough for people to return to afterward.‘In a large earthquake, the people inside a building may be safe, but if the building frame is crushed, they won’t have a building to return to,’ Pei says.‘We want to improve on that situation.’In the tests led by the Colorado School of Mines, engineers will see how their two- story building holds up against the largest shake table in the world. The structure uses a material known as cross- laminated timber. The tests at the shake table will use more than 3.
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Engineers will then measure how the cross- laminated timber (CLT) panels bent and moved, revealing how the walls and floors of a building may interact in an earthquake.‘With the arrival of cross- laminated timber, we can start thinking about timber skyscrapers,’ said Pei. THE NORTHRIDGE QUAKEIn 1. California, with the epicentre located in Reseda, in the north- central San Fernando Valley of Los Angeles. The ground shook for roughly 1. Las Vegas – about 2. The event caused damage throughout an 8. More than 8,7. 00 people were injured, and nearly 6.
After the first event struck, there were two large aftershocks – one about a minute later, and another about 1. There were thousands of aftershocks in total, but the second was the most powerful. The ground acceleration recorded during the Northridge quake was the highest ever detected in an urban area across the continent. In 1. 99. 4, a massive 6. California, with the epicentre located in Reseda, in the north- central San Fernando Valley of Los Angeles. A photo of the aftermath is shown. The tests will use the UC San Diego’s massive shake table, which can simulate the forces of devastating quakes such as the 6.
Northridge event, which tore through the LA area in 1. Last year, the shake table was used to test a 6- story steel frame building‘CLT and mass timber more generally are part of a massive trend in architecture and construction, but the seismic performance of tall buildings made from these kinds of wood is uncharted waters.’The researchers then plan to study the data and return to the shake table in 2. Eventually, they say these designs could be used to construct 2.