=14.6 In Figure P14.6, let H₁ = 2.5 m, H₂ = 4.5 m, y₁ = 16.8 kN/m²,9=0, 34°, c = 0, y2 = 22 kN/m³, o₂ = 25°, andch 10 kN/m². Determine the Rankine active force per unit==length of the wall.Figure P14.6H₁FUNWatertableH₂72

Answered: Image /qna-images/answer/4c1a657a-9d54-434b-9258-8452f64f7f79.jpg

Answered: = 14.6 In Figure P14.6, let H₁ = 2.5 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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Water flows at the rate of 12 m³/s, at a depth of 1.5 m, in a 10 m wide irrigation canal. Assume uniform flow and use n=0.03521. Calculate the value of the specific energy. a. 1.81 J/N b. 1.53 J/N c. 1.74 J/N d. 1.65 J/N22. Compute the boundary shearing stress at the wall a. 7.33 Pab. 3.77 Pa c. 5.11 Pa d. 4.66 Pa
e9
A cylindrical tank has a mean radius of 40 cm and thickness of 10 cm. It is subjected to an external pressure of 140 kg/cm2 and maximum internal pressure is 900 kg/cm2 . Determine the maximum internal tangential stress of the tank. A. 3,884.7 kg/cm2 C. 1.7684 kg/cm2 B. 4,623.6 kg/cm2 D. 2,947.5 kg/cm2
PROBLEM 1: The homogeneous structure shown weighs 21.45 kN per square meter of cross-section. The structure is subject to horizontal uniformly distributed load P1 and triangularly distributed load P2 perpendicular to side AB. Given: H1 = 9 m; H2 = 6 m; H3 = 12 m X1 = 6 m; X2 = 5 m P1 = 220 kN/m; P2 = 280 kN/m 4 Magnitude of resultant, R 4314.04 5 Angle of resultant direction from x-axis, θx 86.01 6 Distance of resultant from C measured along line CD, X 9.116
A fluid (sp. gr. = 0.9, u= 1.2 Pa-s) flows in a laminar state between two stationary parallel plates set 4 cm apart. If the steady discharge is 800 cm3/s per cm width of plates, the shear stress at distance 1 cm from either boundary is.
Problem 4. The pipe bend is in a horizontal plane. Oil (s = 0.88) enters the bend with a velocity of 3.50 m/s and a pressure of 280 kPa. Neglecting any energy losses in the bend, find the forces required to hold the bend in place. d = 200 mm d = 80 mm 65°
EXAMPLE 10.15 An embankment is shown in Figure 10.29a. Determine the stress increase under the embankment at points A₁ and A₂. 14 m- 5m 11.5 m- 5 m č A₂ At point A₁ -14 m- → 5m → ← 5m 5 m A₂ 11.5 m At point A₂ H=7m ► 5 m 8 A₁ 5m+¦+ H=7m >· 5 m X A₁ 14 m 16.5 m 5 m 14 m EXAMPLE 10.15 An embankment is shown in Figure 10.29a. Determine the stress increase under the embankment at points A, and A₂. 14 m 16.5 m y= 17.5 kN/m³ 5m9 = (2.5 m) x (17.5 - A₂ H A0₂ (1) kN/m³) = 43.75 kN/m2 Aσ₂ (1) y= 17.5 kN/m² B A₁ 1 90 = 122.5 kN/m2 + + T 5m 9=(7 m) x (17.5 kN/m³)= 122.5 kN/m² % = 122.5 kN/m² A₂ 2.5 m →→ ● A0₂ (2) A₁ 14 m- A₂ (2) 9 (4.5 m) x (17.5 kN/m³)= 78.75 kN/m² Aar: (33) A₂ 14 m 9 m ➜ 14 m 1
Consider the retaming wall shown in the Figure below Calculate the Rankine passive force per unit length of the wall and the location of the line of action of that resultant at which it acts on the retaining wall. 15.72KN/m3 1=30 C1=0 WT "sat= 15.72KN/m3 12=26 C1=10KN/m2 2 m
A storage vat has vertical ends 3.6 m apart, of which one end is shown below. Oil(s=0.84) is stored into it. Compute: (la) the force exerted by oil on this end in KN. (1b) the magnitude of the force exerted by oil on the curved DE in KN. (1c) the total weight of oil in KN. 0.9 m Oil (s=0.84) B 1.2 m 0.6 m C 0.6 m E
Example 11.1 Air at 15°C forms a boundary layer near a solid wall. The velocity distribution in the boundary layer is given by U у = 1- exp(-2) where U = 30 m/s and d = 30 m/s and d = 1 cm. Find the shear stress at the wall (y = 0). U u/U=1-exp(-2y/8)
3.6.4 Suppose a vertical flat plate supports water on one side and oil of specific gravity 0.86 on the other side, as shown in Figure P3.6.4. How deep should the oil be so that there is no net horizontal force on the plate? Calculate the moments of the pressure forces about the base of the plate. Are the magnitudes of the moments equal? Why? k 4 m Water Oil K H Figure P3.6.4 Vertical flat plate for problem 3.6.4.
4. Compute the magnitude of the resultant force on the indicated area and the location of the centre of pressure as shown in Figure 4. Show the resultant force on its location. -0.76 m- →→ 0.46 m 0.46 m Water Access hatch for cleaning 0.46 m 45° Figure 4: A Water Tank 2.4 m 0.9 m

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= 14.6 In Figure P14.6, let H₁ = 2.5 m, H₂ = 4.5 m, y₁ = 16.8 kN/m², 9=0, 34°, c = 0, y2 = 22 kN/m³, o₂ = 25°, and ch 10 kN/m². Determine the Rankine active force per unit == length of the wall. Figure P14.6 H₁ FUN Water table H₂ 72