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- 8. A concrete wall footing with a width of 0.9 m and a depth of 0.6 m supports a centrally placed 0.6-m-thick wall. The ultimate bearing stress for the soil under the footing is 47 kN/m2. What is the height of the wall if a factor of safety of 5.0 is used? Concrete weighs 23.5 kN/m3 (assume depth of one meter) NOTE: please check options 0.6m R(m) Jestion 0.6m tely ar ate 05.16 m oogle pject) O 14.4 m MG-40 16 O5 pm ourse 1.8 marrow_forwardA mild steel tie-rod has to carry an axial load of 60KN. The maximum permissible stress is 200N/mm2. Calculate a suitable diameter for the rod.arrow_forwardA 1.25 inch diameter hole is drilled on the centerline of a steel bar 3.5 inches wide by 3/8 inches thick. Calculate the maximum load that can be applied to the bar without exceeding the maximum stress in the bar of 22,000 psi. Can you help me with this problem?arrow_forward
- QUESTION 3: A steel rope with a diameter of 1 cm is subjected to a tensile load of "60" N. Calculate the stress on the rope in the unit "MPa".arrow_forward1. Use the tabulated solutions: Calculate the critical buckling stress for each of the flat plates shown. All are made from steel with E = 29 X 106 psi and v = 0.30 and are 3/16 inch thick. All edges are simply supported. (a) 48 in 48 in ' (b) 96 in 48 in (c) 48 in Note: if the tabulated solutions do not include the exact geometry ratio that you are looking for, interpolate between values in the table. 96 inarrow_forwardA 5 ft column is made from 2024-T4 Aluminum. Column has a square cross section of 2 in x 2 in. Both ends of the column are pinned. Calculate the critical load (Pcr). Note: I am having trouble understanding what the Module of Elasticity is for 2024-T4 Aluminum.arrow_forward
- Two plates each with thickness of 18 mm are bolted together with 6 – 20mm ø bolts forming a lap connection. Bolt spacing are as follows: X1 = 50 mm, X2 = 120 mm and X3 = 100 mm FvRivet = 130 MPa. Calculate the the pemissible tensile load P under the following conditions. a. Based on the effective net area. b. Based on block shear. c. Based on the safe value of P.arrow_forward. A steel boiler 2.5 m in diameter has a wall thickness of 25 mm. The internal pressure is 1.6 MPa. Calculate the factor of safety if the maximum permissible stress for it is 250 MPa?arrow_forward3. Calculate the bearing stress and shear stress between the pin and each bracket of a clevis joint. Assume pin diameter of 10 mm, 40 mm wide gap link, 12 mm thick bracket, and 3550N tensile load. Draw a free body diagram (geometry & forces) Identify stress plane Calculate stress and write it (with appropriate units) in the outlined boxarrow_forward
- The P load applied to a steel bar is transferred to the board by an annular washer. The diameter of the rod is 34mm and the inner diameter of the washer is 35.7 mm. Since it is known that the axial normal stress on the steel bar is 119 MPa, and the average bearing stress between the washer and the board should not exceed 34 MPA, how many mm is the smallest allowable outer diameter of the washer?arrow_forward.A 5-mm thick mild steel plate is used to form a hollow column of 60 mm outside diameter. The column length is 1.2 m. Calculate the crippling load using Johnson’s Parabolic formula. Take modulus of elasticity and yield strength as 206 GPa and 330 MPa, respectively. Assume one end is hinged and the other end fixed.218212 N176745 N930094 N263252 Narrow_forwardCLASS ACTIVITY 3 DEADLINE: 28 Dec 2021 at 11 pm (will be considered as your attendance) Determine the largest axial load P that can be safely supported by a flat steel bar consisting of two portions, both 10 mm thick, and respectively 40 and 60 mm wide, connected by fillets of radius r= 8 mm. Assume an allowable normal stress of 165 MPa. 3.4 3.2 D d 3.0 ‚Dld = 2 2.8 1.5 26 1.3 2.4 1.2 K 22 20 16 1.2 10 O 0.02 0.04 0.06 0.05 0.10 0.12 0.14 0.16 0.18 0.20 0.22 0.24 0.26 0.28 0.30 rldarrow_forward
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