Refer to Figure 10.40. Determine the vertical stress increase, Aoz, at point A with the following values: q1 = 90 kN/m; q2 = 325 kN/m; x1 = 4 m; x2 = 2.5 m; z = 3 m Line kad - Line load -

Problem (2): Shaft BC is hollow with inner and outer diameters of 90 mm and 120 mm, respectively. For the loading shown Determine: • The minimum shearing stress in shaft BC. The maximum shearing stress in shaft BC. 0.9 m 0.7 m d 0.5 m A |120 mm TA = 6 kN - m В Tg = 14 kN m C D Tc = 26 kN - m Tn = 6 kN · m

Determine the shear stress at points A, B, C andD for the following section. Also determine the maximum shear stress, then plot the shear stress distribution. Given: V = 10 kN.

100 kN point load and 40 kN/m line load are applied on the ground surface as shown. Compute the variation of the vertical stress increment at the depth z = 5 m directly underneath line AB. Plot the results from Points A to B. 100 kN point load 40 kN/m line load - 5 m 10 m 5 m (Plane view)

A 2.4 diameter steel molding is lifted by 4 steel cables as shown. The mold weighs 3 kN/m. (a) what is the required diameter of wire that will not exceed the allowable stress of 120 MPa. and (b) if the wire diameter increase by 20%, find the vertical displacement of the molding.

1. From the given figure below, determine the following: a. Maximum shearing stress of the beam b. Shearing stress 5 ft away from point A c. Shearing stress 4 ft away from point B Figure 1 18 kip / ft 14 in 10 kip / ft A 8 in 20 ft Constant thickness 2 inches

b) An electric pole is held vertically by three equally spaced wires tied at the top of the pole. Each wire is inclined at 45⁰ with a tension of 1 kN, Calculate the vertical stress increase at 1 m depth and the elastic settlement below the axis if E is given as 40 MPa and μ = 0.45. Use Boussinesq’s point load theory

3- Due to application of line loads q1 and q2, the vertical stress increase at point A is 42 lb/ft?. Determine the magnitude of q2 q.=292 Ib/ft 92 45° 4.5 ft 3 ft 3 ft A

2. A 2.4 diameter steel molding is lifted by 4 steel cables as shown. The mold weighs 3 kN/m. (a) what is the required diameter of wire that will not exceed the allowable stress of 120 MPa. and (b) if the wire diameter increase by 20%, find the vertical displacement of the molding. 4 m 2.4 m

Same as Example 2.1, except that only the left loaded area exists and the Poisson ratio is 0.3, as shown in Figure 2.8. Determine the stresses, strains, and deflection at point A. E = 10,000 psi v = 0.3 10 in. 50 psi all o, e, w = ? 10 in. FIGURE 2.8 Example 2.2 (1 in. -25.4 mm, 1 psi = 6.9 kPa).