Video instructions and help with filling out and completing Will Form 2220 Percentage

Instructions and Help about Will Form 2220 Percentage

It's a threat many Californians live with daily 30 seconds of terror most of us hope we never experience but researchers all the way across the country at Penn State know every shake shipped and tremor of America's major quakes by heart on a specially built shake table architectural engineer study historical quakes on a mini scale been in a basement laboratory they took the life-sized wall mounted on a special rack to go here is not to improve the frame but everything that fills it shards of glass and other debris hosts a serious threat most of the damage because you know the glass starts from the corners these engineers designed glass panels that don't touch the corners of the frame by rounding the glass corners and polishing the edges researchers found the glass curtain walls would have 50% more drift capacity meaning the frame could move 50% more before the glass would break researchers are also testing infill walls the bricks and masonry inside a frame professor memari has designed what he calls fuses for the walls tiny lumber or concrete disks mounted between the wall and the frame when the force that transfers from the frame to the row exceeds the capacity of the fuse the fuse breaks and you're right would say two techniques designed to help make buildings earthquake resistant is a Jacqueline London reporting

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