The laminated beam, shown in cross section, is composed of ?ve 6- in. by 2-in. planks that are glued together. The beam carries a uniformly distributed load of intensity we over its 8-ft simply supported span. glue, 90 psi for shear in wood, and 800 psi for bending in wood, If the working stresses are 75 psi for shear in 6 in. 1. determine the maximum allowable value of wa so that the shear stress in the wood is not exceeded. А. 900 lb/ft В. 555 lb/ft С. 833 lb/ft D. NOTA determine the maximum allowable value of we so that the shear stress in the glue is not exceeded. 900 lb/ft 2. А. В. 555 lb/ft С. 833 lb/ft D. NOTA 3. determine the maximum allowable value of we so that the bending stress in the wood is not exceeded. А. 900 lb/ft В. 555 lb/ft С. 833 lb/ft D. NOTA + 5 @ 2 in. = 10 in.

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Estimating construction costs

The determination of the cost of various items that would be required to carry out a construction project successfully is termed the estimation of construction costs. For preparing an estimate, the quantities of the materials are calculated from the construction drawings or blueprint design using formulas, and using these quantities, the construction cost estimating is done. The estimation process can be manual or it can be computed using construction estimating softwares such as RSmeans, STACK, and ProEst.