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If you would like to change your settings or withdraw consent at any time, the link to do so is in our privacy policy accessible from our home page.. Tables VIa (exposure C) and VIIa (exposure D) gives wind pressure qz for plants based on Kzt =1.0, I = 1.15. This converter is very easy. 1.68 lbs is the amount of wind load on the antenna. mph. An alternative to calculating wind pressure at a particular wind speed is to use the standard for various wind zones. Material: Glass. You can also go to the universal conversion page. Learn about how EDT Forensic Engineering & Consulting approachesconstruction assessments, scope of damage, and forensic engineering by assigning a file today. Wind loading analysis is an essential part of the building process. Wind Loads on Buildings: Ultimate versus Nominal To view the purposes they believe they have legitimate interest for, or to object to this data processing use the vendor list link below. Hazardous Weather Outlook Re-written in the form you are using, the equation becomes: V= SQRT [p/0.00256] For instance, a wind hitting at 90 generates greater loads than the same wind at 45. where pressure p is in pounds per square foot and v is miles per hour. Exposure B is terrain with buildings, trees or other surface irregularities covering at least 20 percent of the surrounding area and extending 1.6 kilometers or more from the site., Exposure C has terrain that is flat and generally open, extending 0.8 km or more from the site., Exposure D is the most severe, with basic wind speeds of 129 km/hr or greater and terrain that is flat and unobstructed facing large bodies of water., For example, if the wind speed is 70 mph, the wind stagnation pressure is 0.00256 x 70. How many yards of concrete does it take to anchor it for an estimated maximum wind force of 110 MPH? % of people told us that this article helped them. The wind load formula employed by the wind load calculator is a simplified version that allows getting a first estimate of the value of a lateral wind load. For more on how to calculate wind load, including how to use the Electronics Industries Association formula, scroll down! 2. With that premise, the equation you are using is close to the basic equation used to convert wind speed to wind pressure as given in many texts and in ASCE 7, "Minimum Design Loads for Buildings and Structures". Weather Basics 16. As one can imagine, one of the goals when designinga building, house, or any structure is that it can withstanddifferent types of loads without experiencing anydamage. Is the pressure used in a wind profile the basic pressure (i.e. The effect of the wind is dependent upon the size and shape of the structure. jabacus - online design tools Convert water column [inch] to psf - Conversion of Measurement Units To calculate wind load using the generic formula, use F = A P Cd, where F is the force or wind load, A is the projected area of the object, P is the wind pressure, and Cd is the drag coefficient. Which instrument is used to measure wind speed? Of course, the relatively simple house will be blown down.The conversion list of wind level, wind speed and wind pressure is shown in .