quiz_1_final

quiz_1_final - 1.051 Structural Engineering Design Prof....

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1.051 Structural Engineering Design Prof. Oral Buyukozturk Fall 2003 1.051 Structural Engineering Design QUIZ 1 Open Book & Notes – 90 minutes QUESTION 1. – FLEXURAL DESIGN (40%) Consider a cantilever beam shown in the figure below which is loaded at its tip with a concentrated service dead load of PD=20 kips (including self-weight) and a service live load of PL=10 kips. The beam is 5 ft long and is anchored to one end of a column having 40 in width. P D = 20 kips P L = 10 kips L=5 ft b=14 in h=20 in 40 in AB d The effective depth of the beam is d=17.5 in. The material properties are: ' 4 ksi, 60 ksi c y ff == (a) Under service loading , what is the nearest distance to the free end where you would start seeing flexural cracks? Consider only the gross area of concrete (neglect the steel when calculating the moment of inertia). The modulus of rupture of concrete is given by: ' 7.5 rc = (b) Calculate the design load Pu and draw the shear and moment diagrams of the beam under design loads.
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1.051 Structural Engineering Design Prof. Oral Buyukozturk
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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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quiz_1_final - 1.051 Structural Engineering Design Prof....

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