The beam section shown is subjected to a bending moment of 65 k-ft. Use normal-weight concrete with compressive strength of 4000 psi. Assume the concrete is cracked. Determine: a) The location of the neutral axis. b) Cracked moment of inertia. c) The maximum bending stresses in concrete and steel. all ell all

Structural Analysis
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Chapter2: Loads On Structures
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The beam section shown is subjected to a bending moment of 65 k-ft. Use normal-weight
concrete with compressive strength of 4000 psi. Assume the concrete is cracked. Determine:
a) The location of the neutral axis.
b) Cracked moment of inertia.
c) The maximum bending stresses in concrete and steel.
17"
3"
3"
6"
4"
4 #8
3"
Transcribed Image Text:The beam section shown is subjected to a bending moment of 65 k-ft. Use normal-weight concrete with compressive strength of 4000 psi. Assume the concrete is cracked. Determine: a) The location of the neutral axis. b) Cracked moment of inertia. c) The maximum bending stresses in concrete and steel. 17" 3" 3" 6" 4" 4 #8 3"
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