Transcription of 9. Wind Design
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9. Wind Design
Dynamic Loads Wind Design Richard L Wood, 2018 Page 1 of 31 9. Wind Design Lesson Objectives: 1) Define basic definitions within wind Design including: Main Wind Force Resisting System and Components and Cladding. 2) Select appropriate building enclosure classification from open building, partially enclosed building, and enclosed building classifications. 3) Determine the basic wind Design speed from the mapped values within ASCE 7-16. 4) Compute Design wind pressures from ASCE 7-16 through selection of wind directionality factor, exposure category and surface roughness , any topographical effect, and the gust effect factor. 5) Outline the process to analyze a general and regular building using the MWFRS Directional Procedure as outlined within Chapter 27. Background Reading: 1) Read _____.
c. Exposure D: shall apply where the ground surface roughness, as defined by Surface Roughness D, prevails in the upwind direction for a distance greater than 5,000 ft (1,524 m) or 20 times the building height, whichever is greater. Exposure D shall also apply where the ground surface roughness immediately upwind of the site is B or C, and the ...
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