Investigate the design of various paper clips, hair clips, and potato chip bag clips, provide the important design parameters, and discuss the advantages and disadvantages associated with each design.

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Directions: Show your solutions explicitly, I.e., do not just write the final answer. Always simplify and box your final answer. 1. A wall footing is to be constructed on a clay soll 1.4 below the ground. The footing is to support a wall that imposes a load of 130 kN per meter of wall length. Considering general shear failure, determine the following: 130 kN/m 4m a. Footing width if the factor of safety is 3. b. Ultimate bearing capacity if B = 0.95 m. c. New factor of safety. Y = 17.92 kN/m² c = 14.5 kPa $ -30° 2. A square footing shown has a dimension of 1.5 mx 1.5 m and has its bottom 2 m below the ground surface. The groundwater table is located at a depth of 3 m below the ground surface. Assume a general shear failure. Determine the following: L 2 m y = 16 kN/m³ c = 14.5 kPa = 28° 3 m 1.5 m Ysa1 = 18.5 kN/m³ a. Ultimate bearing capacity of the soll beneath the footing (in kPa). b. Allowable bearing capacity if it has a factor of safety of 3 (in kPa). C. Allowable load that the…

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Chapter 3, Problem 6P

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Investigate the design of various paper clips, hair clips, and potato chip bag clips, provide the important design parameters, and discuss the advantages and disadvantages associated with each design.

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Directions: Show your solutions explicitly, I.e., do not just write the final answer. Always simplify and box your final answer. 1. A wall footing is to be constructed on a clay soll 1.4 below the ground. The footing is to support a wall that imposes a load of 130 kN per meter of wall length. Considering general shear failure, determine the following: 130 kN/m 4m a. Footing width if the factor of safety is 3. b. Ultimate bearing capacity if B = 0.95 m. c. New factor of safety. Y = 17.92 kN/m² c = 14.5 kPa $ -30° 2. A square footing shown has a dimension of 1.5 mx 1.5 m and has its bottom 2 m below the ground surface. The groundwater table is located at a depth of 3 m below the ground surface. Assume a general shear failure. Determine the following: L 2 m y = 16 kN/m³ c = 14.5 kPa = 28° 3 m 1.5 m Ysa1 = 18.5 kN/m³ a. Ultimate bearing capacity of the soll beneath the footing (in kPa). b. Allowable bearing capacity if it has a factor of safety of 3 (in kPa). C. Allowable load that the…

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14.1 A beam of rectangular cross section is 125 mm wide and 200 mm deep. If the maximum bending moment is 28.5 kN⚫m, determine (a) the maximum tensile and compressive bending stress, and (b) the bending stress 25 mm from the top of the section. 14.2 A rectangular beam 50 mm wide and 100 mm deep is subjected to bending. What bending moment will cause a maximum bending stress of 137.9 MN/m² (MPa)? 14.3 Determine the bending moment in a rectangular beam 3 in. wide and 6 in. deep if the maximum bend- ing stress is 15,000 psi.