Structural Analysis by Hand - VBCOA

1 VBCOA Region 5 May 15, 2014 Structural Analysis by Hand2 PresenterBrian Foley, CountyDeputy Building 324 18423 LogisticsExitsRestroomsCell PhonesNo Smoking24 Questions?SURE Go ahead and ask your question!This class is interactive!There are no stupid questions!5 Attendees Inspector Plan reviewer Contractor Engineer Architect Designer Suppliers Attorney6 Objectives Determine loading requirements for joists and beams Apply loads using free body diagrams Calculate moment and deflection Analyze compliance for flexure, shear and deflection Analyze simple steel beam Analyze spread footings37 Assumptions No Structural theory Knowledge of arithmetic and basic algebra Simple loading Uniform loads Point loads at midspan Simple spans Wood, LVL, steel Residential construction8 Math 1019 Operation SequencePlease Excuse My Dear Aunt Sally Parenthesis Exponent Multiplication Division Addition + (3 1) / 2 4 x 3 Step 1: Parenthesis 52+ 2/ 2 4 x 3 Step 2: Exponents25+ 2 / 2 4 x 3 Step 3: Multiply 25 + 2 / 2 12 Step 4.

specified structural member Units for stress: pounds per square inch lbs/in2 psi 36 Step 5A: Determine F’b (psi) “Raw” value based on wood species: Fb Adjusted allowable bending stress, F’b = Fb CM CF Cr CD, where: CM = Service condition (wet …

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