Situation: A T-beam is reinforced with 8-32mm diameter tension bars with an effective depth of 700mm. Use f'c = 27.60MPa and fy = 413.70MPa. T-beam properties: Effective flange width = 750mm Flange thickness = 100mm Width of web = 350mm Overall depth = 800mm Which of the following most nearly gives the area of the concrete compression stress block? a. 90677.94 mm2 b. 95312.15 mm2 C. 101325.34 mm2 d. 113458.58 mm2 Which of the following most nearly gives the depth of the concrete compression stress block? a. 144.79 mm b. 175.22 mm C. 209.88 mm d. 158.03 mm Which of the following most nearly gives the design moment capacity of the given beam? a. 1213.72 kN-m b. 1471.90 kN-m C. 1306.77 kN-m d. 1109.81 kN-m

Situation: A T-beam is reinforced with 8-32mm diameter tension bars with an effective depth of 700mm. Use f'c = 27.60MPa and fy = 413.70MPa. T-beam properties: Effective flange width = 750mm Flange thickness = 100mm Width of web = 350mm Overall depth = 800mm Which of the following most nearly gives the area of the concrete compression stress block? a. 90677.94 mm2 b. 95312.15 mm2 C. 101325.34 mm2 d. 113458.58 mm2 Which of the following most nearly gives the depth of the concrete compression stress block? a. 144.79 mm b. 175.22 mm C. 209.88 mm d. 158.03 mm Which of the following most nearly gives the design moment capacity of the given beam? a. 1213.72 kN-m b. 1471.90 kN-m C. 1306.77 kN-m d. 1109.81 kN-m

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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Concept explainers

Braced cuts

The braced cut is a method of providing lateral support to the soil in foundation trenches, to prevent the trenches from deformation by the caving in of soil and resisting it from moving laterally. During shallow excavation in firm soil, generally, slopes are provided to resist the caving in of soil. During shallow excavation in soft soil and deep excavation, the chances of caving in of soil increase. Hence, it becomes necessary to make a provision to resist the deformation of trenches due to caving in of soil. The braced cut is the method used for such conditions. The excavation using braced cuts is a bit uneconomical as compared to the traditional open-cut excavation method but provides better safety than the cut excavation method.

Question

Situation:
A T-beam is reinforced with 8-32mm diameter tension bars with an effective depth of 700mm. Use f'c =
27.60MPa and fy = 413.70MPa.
T-beam properties:
Effective flange width = 750mm
Flange thickness = 100mm
Width of web = 350mm
Overall depth = 800mm
Which of the following most nearly gives the area of the concrete compression stress block?
a. 90677.94 mm2
b. 95312.15 mm2
C. 101325.34 mm2
d. 113458.58 mm2
Which of the following most nearly gives the depth of the concrete compression stress block?
a. 144.79 mm
b. 175.22 mm
c. 209.88 mm
d. 158.03 mm
Which of the following most nearly gives the design moment capacity of the given beam?
a. 1213.72 kN-m
b.
1471.90 kN-m
c.
1306.77 kN-m
d. 1109.81 kN-m

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