( … long post …) Consider a conventionally-framed house facing a remodel project. The house is, for the most part, a simple, two-story `box’, with stick-framed roof and interior bearing wall. The interior bearing wall supports both roof and main …

headers without engineers Read more »

I was doing some reading in AITC 119 Standard Specifications for Structural Glued Laminated Timbers of Hardwood Species, Section 4.1.6 … “ … modulus of elasticity, E, values herein are the average values … The modulus of elasticity of wood …

AITC 119 and EEEE Read more »

(c) Jeff R. Filler, Pell City, April 2023 `Components and Cladding’ … or C & C or `see and see’. In earlier posts we looked at the Main Wind Force Resisting System (MWFRS) wind forces on a couple buildings, specifically, …

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(c) Jeff R. Filler, Pell City, April 2023 In earlier posts we looked at the `main’, or `overall’, wind forces on a rather low, wide `shop’ (here and here), and on a relatively narrower and taller `house’ (here).  Specifically, we …

`Corners’ Read more »

In our earlier posts we determined the horizontal and vertical components of wind load on a `shop’ (here). The horizontal force was/is 500 lb, as acting on an 8-ft wide `swath’ of shop, which is framed with wood trusses at …

Minimum Design Wind Load – ASCE 7-22 Section 28.3.6 (Envelope Procedure) Read more »

In an earlier example (here) we looked at the total horizontal force acting on an 8-foot `swath’ of a shop building, the idea being that the shop is supported by trusses on posts at 8 foot (ft) on center (o.c.), …

Wind Load on a Shop – Envelope Procedure – Part 3 – Vertical (Uplift) Forces Read more »

Continuing from Part 1 … Step 6: Determine the external pressure coefficients, GCpf … Section 28.3.2.   For Case 1 we get … roof slope tan-1 4/12 = 18.4° … interpolating between 5° and 20° … interp GCpf per slope, …

Wind Load on a Shop Using ASCE 7-22 (Envelope Procedure) – Part 2 (Horizontal Force) Read more »

Part 1 – Velocity Pressure Let’s consider a shop to be constructed in, say, Latah County, Idaho, near the recently publicized college town of Moscow. The shop will not be a `business’, per se; in other words, people will not …

Wind Load on a Shop Using ASCE 7-22 (Envelope Procedure) (Part 1 – Velocity Pressure) Read more »

V (pronounced `Veeee’, in wood engineering, in any particular usage, generally stands for one of two things. As pertaining to loads and forces in (inside of) wood structural members themselves, V stands for `Shear’, in particular `horizontal shear’, and specifically …

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Okay, let’s say I’m gonna build a `shop’ near, say, Moscow (Latah County), Idaho, Zip 83843. The big worries there are snow, in winter, and wind, any time of year. For wind, let’s go to https://hazards.atcouncil.org, … `Wind’, and then …

The 50-Year Wind Read more »