E (E and shear-free E) (c) Jeff R. Filler, 2022 The deflections calculated in earlier examples (link and link) are based on the standard engineering formula for beams based on beam-curvature theory – where the beam curvature is a result …

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6 x 6 wood post versus 3-ply 2 x 6 © Jeff R. Filler, May 2022, Pell City (DRAFT) If you are an a professional engineer providing designs (or fixes) for wood-frame construction, sooner or later you will be asked, …

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CCA-C `Above Ground’ Preservative Treated Lumber for an NLT Step © Jeff R. Filler, May 2022, Pell City This is so fun I can hardly stand it. I’ll edit later. I am working on some NLT steps for my wife’s …

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Differential Deflections … and the Simpson Strong-Tie Strong-Drive® SDPW Deflector Screw (c) Jeff R. Filler, May 2022, Pell City, AL I haven’t tried one out yet … the Simpson Strong-Tie Strong-Drive® SDPW Deflector Screw … but the idea is fascinating …

Differential Displacements and the SST SDPW Deflector Screw Read more »

In the example (here) I discussed a person standing on a wood plank, and `examining’ the deflection. Talk is cheap. I grabbed three pieces of lumber (that I milled) in my shop: one piece a 1 x 5 Southern Pine …

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Shear Deflection – Prefab Wood I-Joist Example Calc (c) Jeff R. Filler, Pell City, 2022 Continuing our discussion on shear deflection of wood beams (joists, etc.), let’s look at a prefabricated wood I-joists. Basic design information for prefabricated wood I-joists …

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E min (c) Jeff R. Filler, Pell City, Alabama, 2022 But First, E apparent and E true `E min’ is calculated wood property used in the design of structural wood members (beams, columns, etc.). It is a derived property, derived …

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Deflections and Average Modulus of Elasticity (c) Jeff R. Filler, 2022 A word on the accuracy of deflection calculations … wood beams, joists, etc. In the example above (link) we calculated a deflection of 0.599 in. How accurate is this …

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`E app’ E app (`Eee app’, `Eee apparent’, Apparent Modulus of Elasticity) is a design property for wood construction. It comes from the Modulus of Elasticity of the wood (E, MOE, Young’s Modulus). It’s not a `true’, or `pure’ property, …

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E (Eeee!) (Steel for now; wood later) E stands for Modulus of Elasticity, or Elastic Modulus, also Young’s Modulus. It is also abbreviated MOE (`Em – Oh – Ee’). By definition it is the amount of stress (tensile or compression) …

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