2004_hw_4

2004_hw_4 - 1 = 6 in., y 1 = 17 in., and d = 19 in....

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1.054/1.541 Mechanics and Design of Concrete Structures Spring 2004 Prof. Oral Buyukozturk Massachusetts Institute of Technology 1.054/1.541 Mechanics and Design of Concrete Structures (3-0-9) Homework #4 Assigned: Thursday, April 8, 2004 Due: Thursday, April 15, 2004 Shear and Torsion Introduction Architectural and clearance requirements call for the use of a transfer girder (shown in Fig. 1) spanning 28 ft between supporting column faces. The girder carries a concentrated load of 25 kips at midspan, applied with eccentricity of 25 in. from the girder centerline (considering load factors and including girder self weight). Dimensions of the member are x = 10 in., y = 22 in., x
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Unformatted text preview: 1 = 6 in., y 1 = 17 in., and d = 19 in. Assuming supporting columns provide full torsional rigidity. Flexural rigidity at the ends of the span may also be assumed to develop 40 percent of the maximum moment that would be obtained if the girder were simply supported. Material strengths are Concrete ' Uniaxial compressive strength: f = 5000 psi; c Steel Yield stress: f y = 40 ksi; 14 ’ 14 ’ y x z 25 ’’ 22 ’’ 10 ’’ y z Figure 1. Transfer girder and its dimensions 25 kips 25 kips Question Design both transverse and longitudinal steel for the girder. 1 / 1...
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This note was uploaded on 11/29/2011 for the course CIVIL 1.00 taught by Professor Georgekocur during the Spring '05 term at MIT.

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