Designing Trusses for Wind in Kansas
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Transcript of Designing Trusses for Wind in Kansas
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Winds take a toll onstructures
Designing trusses for Kansas winds
www.timberlaketrussworks.com
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Kansas is notorious for prairie wind
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Causing millions in damage
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That's why truss manufacturingis so important!
Designed to:-sustain high pressure winds-keep people safe -withstand Kansas weather
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How do we do it??
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WE CALCULATE:
Main Wind Force Resisting System(MWFRS) and Components & Cladding(C&C)
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Building codes require withstanding90-mph winds for inland areas...
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BUT...
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We design for wind speeds around100 and 110 mph!
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Less of this:
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More of this:
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Making sure we consider buildingusage categories and buildingexposures
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Building usage:
Category 1: Building with low hazardto human lifeCategory 2: substantial hazardCategory 3 & 4: critical facilities andsubstantial hazard
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Building exposure:
Exposure A: located downtown/city centersExposure B: urban & suburban surrounded bysimilar buildings & treesExposure C: open areas with scatteredobstructionsExposure D: unobstructed for at least a mileover flat land
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We DON'T take safety and durabilitylightly!
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Discover the difference in Kansas