Determine the flexural stress (psi) in the concrete using the transformed-area method. M=250 k-ft and n=9. Area for each bar: A48 = 0.79in?, A#10 = 1.27in?. Assume cracked member 2" 4 #8 28" 22 4 #10 3" 18" Select one: а. 1,872 b. 1,370 с. 1,730 d. 1,278

Materials Science And Engineering Properties
1st Edition
ISBN:9781111988609
Author:Charles Gilmore
Publisher:Charles Gilmore
Chapter12: Composite Materials
Section: Chapter Questions
Problem 12.7P: Estimate the transverse tensile strength of the concrete in Problem 12.6.
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Determine the flexural stress (psi) in the concrete using the transformed-area method. M=250 k-ft and n=9.
Area for each bar: A48 = 0.79in?, A#10 = 1.27in?. Assume cracked member
2"
4 #8
28"
22
4 #10
3"
18"
Select one:
а. 1,872
b. 1,370
C. 1,730
d. 1,278
Transcribed Image Text:Determine the flexural stress (psi) in the concrete using the transformed-area method. M=250 k-ft and n=9. Area for each bar: A48 = 0.79in?, A#10 = 1.27in?. Assume cracked member 2" 4 #8 28" 22 4 #10 3" 18" Select one: а. 1,872 b. 1,370 C. 1,730 d. 1,278
A simply supported one way reinforced concrete slab has a thickness of 175 mm. It is reinforced with 16 mm Ø
spaced at 200 mm on center.f. = 21 MPa and f, = 275MPA. Clear concrete cover is 20 mm. Weight of
concrete is 23.5 kN/m³. Compute the strain in the steel reinforcement.
Select one:
a. 0.03050
b. 0.00305
c. 0.02120
d. 0.00212
Alout p ogo
Transcribed Image Text:A simply supported one way reinforced concrete slab has a thickness of 175 mm. It is reinforced with 16 mm Ø spaced at 200 mm on center.f. = 21 MPa and f, = 275MPA. Clear concrete cover is 20 mm. Weight of concrete is 23.5 kN/m³. Compute the strain in the steel reinforcement. Select one: a. 0.03050 b. 0.00305 c. 0.02120 d. 0.00212 Alout p ogo
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