SITUATION 4 A concrete tank shown in Figure 4 is 80% full of water with 340 mm wall and floor slab thickness. The height of the concrete tank is 3 m with an outside diameter of 4 m. Use 23.4 kN/m³ for the unit weight of concrete and 9.81 kN/m² for the unit weight of water. If four concrete columns support the concrete tank in an inclined orientation at 75 degree-angle, determine the following: a) Volume of concrete tank (m); b) Concentrated force (kN) applied in each column support; c) Axial stress (kPa) of each column if the column has a diameter of 590 mm and column height Hof 7 m d) Compressive deformation (mm) of each column if the allowable compressive strength at 28 days curing is 25 MPa; and e) Axial stress (kPa) of each column if the column has a square section of 550 mm (plus last two digits of your ID No. mm) width.
SITUATION 4 A concrete tank shown in Figure 4 is 80% full of water with 340 mm wall and floor slab thickness. The height of the concrete tank is 3 m with an outside diameter of 4 m. Use 23.4 kN/m³ for the unit weight of concrete and 9.81 kN/m² for the unit weight of water. If four concrete columns support the concrete tank in an inclined orientation at 75 degree-angle, determine the following: a) Volume of concrete tank (m); b) Concentrated force (kN) applied in each column support; c) Axial stress (kPa) of each column if the column has a diameter of 590 mm and column height Hof 7 m d) Compressive deformation (mm) of each column if the allowable compressive strength at 28 days curing is 25 MPa; and e) Axial stress (kPa) of each column if the column has a square section of 550 mm (plus last two digits of your ID No. mm) width.
Chapter2: Loads On Structures
Section: Chapter Questions
Problem 1P
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Please answer the first three subparts. (a-c)
Transcribed Image Text:SITUATION 4
A concrete tank shown in Figure 4 is 80% full of water with 340 mm wall and floor slab thickmess.
The height of the concrete tank is 3 m with an outside diameter of 4 m. Use 23.4 kN/m³ for the unit
weight of concrete and 9.81 kN/m for the unit weight of water. If four concrete columns support the
concrete tank in an inclined orientation at 75 degree-angle, determine the following:
a) Volume of concrete tank (m');
b) Concentrated force (kN) applied in each column support;
c) Axial stress (kPa) of each column if the column has a diameter of 590 mm and column height
Hof 7 m
d) Compressive deformation (mm) of each column if the allowable compressive strength at 28
days curing is 25 MPa; and
e) Axial stress (kPa) of each column if the column has a square section of 550 mm (plus last two
digits of your ID No. mm) width.
H
Figure 4. Concrete water tank with four concrete columns support
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