Here's a brief overview: Soil Compressibility 1. *Definition*: Soil compressibility refers to the reduction in soil volume due to applied loads, causing settlement and deformation. 2. *Factors Affecting Compressibility*: Moisture content, soil type, density, and stress history....
Joshua, Wow, this one has me stumped. You've made a couple key observations already: that the answer hinges on whether that hc limit is grouped just with the previous sentence or the entire paragraph above, and that this ambiguity is the result of changes from the 2016 standard. In isolation, I...
Hello, I was working through Section 7.7.1 (ASCE 7-22) and it seems to me that drift height for windward snow is no longer capped at hc. Am I understanding that correctly? See code section below: Referencing the image above, it seems to me that the sentence in red applies only to leeward drifts....
Interesting question. I'm picturing the new building roof below the eave height of the existing--is that correct? At first blush, I don't think the relief ASCE 7 provides for unbalanced load applies to drift on an adjacent building. Unbalanced load would be mainly along the ridge, internal to...
This message was posted by a user wishing to remain anonymous I am working on a project with a new building being constructed adjacent to a an existing building with a gable roof. Per ASCE 7, i know unbalanced snow loading is not required for a gable roof with a slope exceeding 7 to 12. Would a...
Justin, I referred these questions to John Dunteman, Chair of the ASCE 7 Rain and Snow Loads task committee. He offers the following response: 1- the 5 to 8 psf change in rain on snow is because of the change in load factor in ASCE 7-22. The adoption of reliability-targeted design ground snow...
We are trying to help owners understand the new changes in codes, as well as follow best practices, even with the current code jurisdiction not requiring ASCE 7-22. Based on my understanding of the latest ASCE 7-22, we are seeing a significant increase in the loading when considering the...
Use 20% of Pf (not Pg).
My colleague and I are not clear on the snow seismic load as defined in the ASCE 7-16, Ch.12, section 7.2, item number 4, which states that the effective seismic weight includes 20% of the uniform design snow load, when the flat roof snow load Pf, exceeds 30 psf [or minimum Pf as set by...