A redwood timber member having a
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Applied Statics and Strength of Materials (6th Edition)
- Solve for the indentation diameter if the BHN of the material is 70 and a 500 kg of load is applied? Use indenter diameter 10mm.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.arrow_forwardA stepped bar is subjected to an axial tensile force of 40000 lb.Compute the increase in stress due to stress concentration in the bar with D =12.00 in., d = 4.00 in., and r = 0.4 inarrow_forward
- Please help me understand this solution. I want to know how the stress in concrete was solved for. I don't quite understand beyond part ii). Attached is the problem and the solution This is the problem: The figure shows the cross section of a circular steel tube that is filled with concrete and topped with a rigid cap. Calculate the stresses in the steel and in the concrete caused by the 200-kip axial load. Use Est = 29 x 106 psi and Eco = 3.5 x 106 psi.arrow_forwardYou are required to size member FI of the truss shown at right using Western lumber with the following properties:• Yield stress in compression: 2100 psi• Yield stress in tension: 1300 psi• Modulus of elasticity 1700 ksi.Use a factor of safety of 2.0. For the selected section:c. Calculate the stress and the strain in member FId. Calculate the deflection of member FI; specify if elongation or shortening.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
- A 3-in. by 6-in. steel (E-29,000 ksi) bar (4-foot long) is subjected to the loads shown. Calculate the combined stresses at points A and B (be sure to indicate either tension or compression). Remember, the bar is bending in the strong direction so calculate your I accordingly. 1(1/12) (B)"(H) S=l/c A B. 6" 10,000 lbs 45,000 Ibsarrow_forwardPRELIMINARY DISCUSSIONS PME 412 - MACHINE DESIGN 1 PROBLEM: Find the values and plot the distribution of stress over the cross section of the upright of the figure. Locate the point of zero stress. 9,000 N 60 mm thick - 100 mm -50 mmarrow_forward(8) A tension member subjected to a load of 30,000 lb has a cross section % in. by 6 in. and is pierced by a central hole 1} in. in diameter. (a) What is the average stress at a section from the hole? (b) What is the probable maximum stress at the hole? (c) Assuming the member has a design factor 1.5, specify the material to be used.arrow_forward
- The one end of a hollow square bar whose side is 10.42 in with 1.42 in 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 oall = 243 ksi for pin material.arrow_forwardProblem Solving: Show your Solution 1. A sculpture weighing 10,000 N rests on a horizontal surface at the top of a 6.0-m-tall vertical pillar. The pillar’s cross-sectional area is 0.20 m20.20 m2 and it is made of granite with a mass density of 2700kg/m3.2700kg/m3. Find the compressive stress at the cross-section located 3.0 m below the top of the pillar and the value of the compressive strain of the top 3.0-m segment of the pillar. 2. A 2.0-m-long steel rod has a cross-sectional area of 0.30cm2.0.30cm2. The rod is a part of avertical support that holds a heavy 550-kg platform that hangs attached to the rod’s lower end.Ignoring the weight of the rod, what is the tensile stress in the rod and the elongation of the rodunder the stress? 3. In a hydraulic press, a 250-liter volume of oil is subjected to a 2300-psi pressure increase. If the compressibility of oil is 2.0×10−5/atm,2.0×10−5/atm, find the bulk strain and the absolute decrease in the volume of oil when the press is operating.…arrow_forwardA composite section 2 m in length, consisting of a steel tube with outer diameter 24 mm and thickness 3 mm, encloses a solid copper bar 18 mm diameter. An axial compressive load of 250 KN is applied on the assembly. Young’s modulus for steel and copper are taken as 2 x 105 N/mm2and 1 x 105N/mm2respectively. Calculate the stresses developed in steel and copper. Also calculate the load taken by both the materials.arrow_forward
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