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- Two 6-in.-wide wooden boards are to be joined by splice plates that will be fully glued onto the contact surfaces, as shown in Figure. The glue to be used can safely provide a shear strength of 120 psi. Determine the smallest allowable length L that can be used for the splice plates for an applied load of P = 10,000 lb. Note that a gap of 0.5 in. is required between boards (1) and (2).arrow_forwardWhat will be the minimum diameter of a steel wire, which is used to raise a load of 4000N if the stress in the rod is not to exceed 95 MN/m²?arrow_forwardA steel eyebar, once commonly used as a tension member in small bridge trusses, has a rectangular cross-section of 5 inches wide by 3/4 inch thick and is 25 feet long. The member is subjected to a tensile load of 65,000 lbs. Compute (a) stress; (b) strain; (c) total deformation.arrow_forward
- The one end of a hollow square bar whose side is 0.1 with 0.01 thickness is under a tensile stress 102,500 psi and the other end is connected with a U bracket using a pin. Find the minimum diameter of pin is used. Take σ_all=243ksi for pin material.arrow_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_forward(a) Explain FIVE (5) factors that may influence the optimum column design under an axial compressive load. (b) A 3.6 m long pin-ended column is formed from an A-36 steel circular hollow section with an outer diameter of 75 mm. Determine the minimum thickness, t (to the nearest integer in mm) of the circular hollow section so that the column can safely support the load of 200 kN without buckling. If the outer diameter of the steel circular hollow section is reduced to 62 mm and the ends are pinned-fixed supported, analyse whether the column with the same applied load and the sectional thickness computed above will cause a buckling failure.arrow_forward
- (D) Seven circular cross-section rivets (Dia.=16 mm) are used to fix a lap joint of steel plates under single shear action. If the rivets are made from Aluminium (E=80 GPa) and the plates under tension of 15 kN. Solve this problem to show weather this joint is safe or not. Suppose all the rivets have equal load share.arrow_forwardWhat is the minimum diameter of a bar subjected to an axial load of 6.5 kN if its ultimate stress is 140 MPa 6.34 mm 4.24 mm 7.69 mm 2.43 mmarrow_forwardCompute the internal diameter of the 10 m length hollow cast iron column. If the externaldiameter is two times the internal diameter and the safe compressive load on a hollowcast iron column with one end rigidly fixed and other end hinged is 60 kN. Use Euler’sformula with a factor of safety of 3 and E = 90 kN/mm2arrow_forward
- Q1-A frame shown in figure (1) is loaded by a force of (100 N), the cross section area of the base at point A is (10 mm width X 15mm thickness). What is minimum yield stress required to fabricate this frame using tresca theory and safety factor of (2).arrow_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_forwardA central horizontal section of a hook is a symmetrical trapezium of inner width=67.5mm and of outer width =22.5mm. The depth of the section is 90mm. The hookcarries a load of 37.5kN. The load line passes through the centre of curvature. Theradius of the hook is 52.5mm. Determine the maximum compressive and tensilestresses in the section of the hook.arrow_forward
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