I. A steel rod is acted upon by the loading shown below. 50 mm2 is the area of the circular rod. The coupling sizes at B, C, and D are neglected. Use E st = 200 GPa -1m- 1.5 m- -1.25 m- A 9 kN B C 4 kN D 2 kN
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Q: 6- Find Aa/As for fig. shown below when the steel rod and aluminum carried a concrete slab and the…
A: Given: Es (steel)=200 GPaEa (aluminium)=70 GPaLs=3 mLa=6 m
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Q: 2. A horizontal bar of negligible mass, hanged by hinge at point (A) as shown. The bar is assumed to…
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Q: The rod ABCD is made of an aluminum for which E= 70 GPa. Take P= 90 kN. NOTE: This is a multi-part…
A: Given:E=70 GPaP=90 kN
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Q: 1. Three vertical rods AB, CD, and EF supports s load of 36 kN. Each of the rods AB and CD has a 200…
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Q: Q6. A 2.25 m long solid bar (Lo) with a 32 mm diameter is placed under tension by a load (F) of 250…
A: GIVEN DATA- F=250KN L=2.25m D=32mm E=200GPa WE HAVE TO FIND CHANGE IN LENGTH
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A: “Since you have asked multiple question, we will solve the first question for you. If you want any…
Q: A rigid bar AB, pinned at end A, is supported by a rod CD and loaded by a force 77 kN at end B. The…
A: GIven Givenrigid bar AB, pinned at end A,P=77kN at end Bl=3b=3mfor rod L=1mE=210×103 N/mm2d=16mm
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Q: 15°C to 40°C and it is free to expand. The bar wil A steel bar of 5m induce :
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A: ◆ The tension in the cable is 2000 N. ◆ Therefore, the correct answer is option is (C).
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A: I have attached my answer below, please refer and give me +ve rating, Thanks!
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Q: L=0.3m A= 20 x 6 mm E- 70 GPa allowable stress = 120 MPa 0.6 m 0.4 m 02 m A Rigid bar C D 0.5m W 40…
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Q: 15 Q6) An aluminum bar having a cross-sectional area of (50.265 cm2) carries the axial loads applied…
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Q: II. A circular column is made of concrete [E. 4.2(103)ksi] while being reinforced with six steel…
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- Two sections of steel drill pipe, joined by bolted flange plates at Ä are being tested to assess the adequacy of both the pipes. In the test, the pipe structure is fixed at A, a concentrated torque of 500 kN - m is applied at x = 0.5 m, and uniformly distributed torque intensity t1= 250 kN m/m is applied on pipe BC. Both pipes have the same inner diameter = 200 mm. Pipe AB has thickness tAB=15 mm, while pipe BC has thickness TBC= 12 mm. Find the maximum shear stress and maximum twist of the pipe and their locations along the pipe. Assume G = 75 GPa.An elevated jogging track is supported at intervals by a wood beam AB (L = 7.5 ft) that is pinned at A and supported by steel rod BC and a steel washer at B. Both the rod (dBC= 3/16 in.) and the washer (dB= 1.0 in.) were designed using a rod tension force of TBC=415 lb. The rod was sized using a factor of safely of 3 against reaching the ultimate stress tru— 60 ksi. An allowable bearing stress sba= 565 psi was used to size the washer at B. A small platform HF is suspended below a section of the elevated track to support some mechanical and electrical equipment. The equipment load is uniform load q = 50 lb/ft and concentrated load WE= 175 lb at mid-span of beam HF. The plan is to drill a hole through beam ABaX £land install the same rod (dBC) and washer) dB) at both D and F to support beam HF. (a) Use s and to check the proposed design for rod DF and washer d,: are they acceptable? (b) Re-check the normal tensile stress in rod BC and bearing stress at 8 if either is inadequate under the additional load from platform HF. Re-design them to meet the original design criteria.A rigid bar of weight W = SOO N hangs from three equally spaced vertical wines( length L = 150 mm, spacing a = 50 mm J: two of steel and one of aluminum. The wires also support a load P acting on the bar. The diameter of the steel wires is ds= 2 mm, and the diameter of the aluminum wire is d = A mm. a Assume £,=210 GPa and EB« 70 GPa. What load Pallowcan be supported at the mitl-point of the bar (x = a) if the allowable stress in the steel wires is 220 MPa and in the aluminum wire is 80 MPa? (See figure part (b) What is /*,Ikw» if the load is positioned at .v = all1? (See figure part a.) (c) Repeat part (b) if the second and third wires are switched as shown in the figure part b.
- -7 Repeat Problem 2.3-5, but n include the weight of the bar. See Table I-I in Appendix I for the weight density of steel.A slightly tapered bar AB of solid circular crass section and length L is supported at end B and subjected to a tensile load P at the free end A. The diameters of the bar at ends A and B are dAand dB. respectively. Determine the length of the bar if the elongation of the bar due to the load P = 45 kips is 0.02 in. Assume that E = 10,400 ksi.Three round, copper alloy bars having the same length L but different shapes are shown, in the figure. The first bar has a diameter d over its entire length, the second has a diameter d over one-fifth of its length, and the third has a diameter d over one-fifteenth of its length. Elsewhere, the second and third bars have a diameter Id. All three bars are subjected to the same axial load P. Use the following numerical data: P = 1400 kN, L = 5m,d= 80 mm, E= 110 GPa. and v = 0.33. (a) Find the change in length of each bar. (b) Find the change in volume of each bar.
- A two-story building has steel columns AB in the first floor and BC in the second floor, as shown in the figure. The roof load P:equals 400 KN, and the second-floor load P-, equals 720 kN. Each column has a length L = 3.75 m. The cross-sectional areas of the first- and second-floor columns are 11,000 mm" and 3900 mm", respectively. (a) Assuming that E = 206 GPa. determine the total shortenings aof the two columns due to the combined action of the loads Ptand P,. (b) How much additional load P0can be placed at t he top of t he column (point C) if t he total shortening: SACis not to exceed 4.0 mm?Repeat Problem 11.2-3 assuming that R= 10 kN · m/rad and L = 2 m.The rails of a railroad track are welded together at their ends (to form continuous rails and thus eliminate the clacking sound of the wheels) when the temperature is 60°F. What compressive stress ?? =6.5×10-6 /? is produced in the rails when they are heated by the sun to 120"F if the coefficient of thermal expansion a = the modulus of elasticity E = 30 × 106 psi?
- Solve the preceding problem for W = 1.0 lb. h = 12 in.,and k =0.511,/in.A metal bar AB of a weight Ills suspended by a system of steel wires arranged as shown in the figure. The diameter of the wires is 5/64 in., and the yield stress of the steel is 65 ksi. Determine the maximum permissible weight W max for a factor of safety of 1.9 with respect to yielding.The inclined ladder AB supports a house painter (85 kg) at C and the weight iq = 40 K/m} of the ladder itself. Each ladder rail (t5= 4 mm) is supported by a shoe (ts= 5 mm) that is attached to the ladder rail by a bolt of diameter d = 8 mm