CAE303F07HW_1Solution

# CAE303F07HW_1Solution - Fall 2007 CAE303 Solution Set#1...

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Fall 2007 CAE303 Solution Set #1 Part I – Problems from Text P3.1 What is the difference between braced and unbraced frames? Illustrate with the help of single span, two story frame. P3.2 In a tier building, W16x36 floor beams are 30 ft long and spaced at 6 ft intervals, while the W21x62 girders are 24 ft long. The girders are connected to the flange of W12x65 columns. Show the floor framing layout for an interior bay.

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P3.3 Illustrate any two types of shear bents in tier buildings.
P3.4 Sketch any three types of concentrically braced shear bents, for a four story building.

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Problem 2 Solution : (a) Dead and live load on B1 D E A T B1 25’ 4’2” 8’4” 30’ B1 '' 2 22 0 0 1 30 25 250 3 2, 2.0 250 500 400 live load needs to be reduced 15 15 0.25 50 0.25 5 0 46.04 > 0.5 0.5 50 25 11 25 90 25 0.75 / 33 T LL LL T LL T D Af t KK A f t f t LL KA psf l psf qD k i p s f =×× = = × = ⎛⎞ + = × + ⎜⎟ × ⎝⎠ = × = × × = > = 25 46.04 25 0.38 / L t Answer qL k i p s f t =× ×= × ×= q D , q L 30’
(2) Concentrated dead load and live loads on Girder G1 and G2 D E P L P L P D

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## This homework help was uploaded on 04/07/2008 for the course CAE 303 taught by Professor Shen during the Fall '08 term at Illinois Tech.

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CAE303F07HW_1Solution - Fall 2007 CAE303 Solution Set#1...

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