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A temporary structure sloped asbestos sheet roofing plan is given attached. When wind is blowing the roof is flew away. Suction pressure is came into play. Wind was entered through the open side which did the harm. -- Alex Thomas R.Eng, C.Eng, M.ASCE Senior Site Engineer Geo Structurals Pvt...
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Assem This is an excellent question, that has been considered, but not answered many times by the ASCE 7 committee. There are two relevant points of view: 1- Since a temporary structure will exist only for a limited time period, if it is designed for the same load return periods as permanent...
Hello, We design and install meteorological guyed and self-supported masts. Most of our masts have service lives of 1 to 3 years. Since we consider them risk category I, we use a 300-year mean recurrence interval. However, we are curious to know whether it is an acceptable practice to assume...
Thank you so much for taking the time to answer my question. Your input was extremely helpful. -- Yousif Jacob A.M.ASCE Principal YJ Inc. Santa Clarita CA --
The minimum wind loads of Section 27.1.5 are intended to be used in the Chapter 2 load combinations, either LRFD or ASD. If using ASD, the 0.6 factor in the combinations is applicable. -- Ronald Hamburger, SE Consulting Principal Simpson Gumpertz & Heger --
Is the minimum design wind load as described in ASCE 7-16 section 27.1.5 subjected to ASD load combinations? I have a local plan reviewer who is saying the minimum ASD factored wind pressure is to be 16-psf I am arguing that the it should be 16-psf x 0.6 #ASCE7-16 #WindandWindLoads --...
I am currently working on a project with several rooftop canopies with photovoltaic arrays across the campus. Many of these canopies are several feet above the main roof levels. We've reviewed ASCE 7-16 Sections 29.4.3 and 29.4.4 regarding wind loading on rooftop solar panels. Based on the...