The total load for a canopy overhang is 105,340# and the load is equally distributed to five steelrod ties. The sample steel rod tested has tensile strength of 20,000psi. A selection of steel rods(same material as the tested sample) is available in different sizes shown below. Select the rodsize that best fits this application? (SA = Surface Area) (f= P/A) (LO4)O 1" (SA= 0.79 sq in)3/4" (SA=0.44 sq in)O½" (SA= 0.20 sq in)O 1¼" (SA= 1.22 sq in)O 1½ (SA= 1.76 sq in)

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Answered: The total load for a canopy overhang is…

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter1: Tension, Compression, And Shear

Section: Chapter Questions

Problem 1.7.1P: A high-strength steel bar used in a large crane has a diameter d = 2.00 in. (sec figure). The steel...

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A high-strength steel bar used in a large crane has a diameter d = 2.00 in. (sec figure). The steel has a modulus of elasticity E = 29 × 10 psi and Poisson’s ratio is v = 0.29. Because of clearance requirements, the diameter of the bar is limited to 2.001 in. when it is compressed by axial forces. What is the largest compressive load Pmaxthat is permitted?
Two steel wines support a moveable overhead camera weighing W = 28 lb (see figure part a) used For close-up to viewing of field action at sporting, events. At some instant, wire I is at an angle a = 22° to the horizontal and wire 2 is at angle fi = 40°. Wires I and 2 have diameters of 30and 35 mils, respectively. (Wire diameters are often expressed in mils; one mil equals 0.001 in.) (a) Determine the tensile stresses s and s2 in the two wires. (b) If the stresses in wires 1 and 2 must be the same, what is the required diameter of wire 1 ? (c) To stabilize the camera for windy outdoor conditions, a third wire is added (see figure part b). Assume the three wires meet at a common point coordinates (0, 0. 0) above the camera at the instant shown in figure part b. Wire I is attached to a support at coordinates (75 ft, 48 ft, 70 Ft). Wire 2 is supported at (-70 ft. 55 ft, 80 Ft). Wire 3 is supported at (-10 ft. -85 Ft, 75 ft). Assume that all three wires have a diameter of 30 mils. Find the tensile stresses in all three wires
An aluminum bar has length L = 6 ft and diameter d = 1.375 in. The stress-strain curse for the aluminum is shown in Fig. 1.34. The initial straight, line part of the curve has a slope (modulus of elasticity) of 10.6 × 106 psi. The bar is loaded by tensile forces P = 44.6 k and then unloaded. (a) That is the permanent set of the bar? (b) If the bar is reloaded. what is the proportional limit? hint: Use the concepts illustrated in Figs. l.39b and 1.40.
Solve the preceding problem if the internal pressure is 3,85 MPa, the diameter is 20 m, the yield stress is 590 MPa, and the factor of safety is 3.0. (a) Determine the required thickness to the nearest millimeter. (b) If the tank wall thickness is 85 mm, what is the maximum permissible internal pressure?
Example: Convert the change in length data in Table 3-2 to engineering stress and strain and plot a stress-strain curve Homework- help Table 3-2 The results of a tensile test of a 0.505 in. diameter aluminum alloy test bar, initial length (1o) = 2 in. Calculated LTO Load (Ib) Change in Length (in.) Stress (psi) Strain (in./in.) 0.000 1000 0.001 0.0005 4,993 14,978 24,963 34,948 37,445 39,442 39,941 39,691 37,944 3000 0.003 0.0015 5000 0.005 0.0025 7000 0.007 0.0035 7500 0.030 0.0150 7900 0.080 0.0400 8000 (maximum load) 0.120 0.0600 7950 0.160 0.0800 7600 (fracture) 0.205 0.1025
You are given a square rod of 6061-T6 aluminum (cross-section = 4mm X 4mm, length = 2.3m). The material has a Young’s modulus of 72 GPa. If a tensile load of 3 kN is applied parallel to the 2.3m dimension, what is the change in length of the rod?
Required information Two cylindrical rods, one of steel and the other of brass, are joined at C and restrained by rigid supports at A and E. Given: P₁ = 65 kN and P2 = 40 kN. Take Es = 200 GPa and Eb = 105 GPa. NOTE: This is a multi-part question. Once an answer is submitted, you will be unable to return to this part. -180- Dimensions in mum Steel B 120- P₁ 40-mm diam. 100 100 DI C Brass 30-mm diam. Determine the reactions at A and E. The reaction at A is The reaction at Eis P2 E KN (Click to select) ✓ KN (Click to select)
Bar (1) in Figure PP1.2-6 has a cross-sectional area of 0.75 in.². If the stress in bar (1) must be limited to 30 ksi, determine the maximum load P that may be supported by the structure. Answer in kips rounded-off to 2 decimal n 6 ft B (1) Figure PP1.2-6 4 ft 5 OF 6 QUESTIONS REMAI
The steel bar has the dimensions shown. (Figure 1) Figure 30 mm 24 mm- 20 mm co 60 mm r = 15 mm 1 of 1 Part A Determine the maximum axial force P that can be applied so as not to exceed an allowable tensile stress of allow = 160 MPa. Express your answer to three significant figures and include the appropriate units. P= Value Submit μA Provide Feedback 3 Request Answer Units ?
The bar is made from steel and has an allowable stress of allow = 19.7 ksi (Figure 1) Figure P 1.875 in. 0.75 in. -0.125 in. 1.25 in. r 0.25 in. 1 of 1 Part A Determine the maximum axial force P that can be applied to the bar. Express your answer to three significant figures and include the appropriate units. P = Submit μA Value Request Answer < Return to Assignment Units Provide Feedback ?
The brass has a shear modulus (G) of 40 GPa. In the torsion test calculated results. (G) was found to be 37 830 MPa. What is the percentage of errors in the experiment? Select one: O a. 0.05425% O b. 5.425% O c. 3.779% Od. 0.54%
QUESTION 3: Square profile made of hollow 1045 steel, with a length of 6 meters with a cross-sectional area of 40x40 mm and a wall thickness of 4 mm, is subjected to an axial tensile load of "6" KN from both ends. remains. (E1045 = 207 GPa, Yield 1045 = 414 MPa) Calculate %3D %3D the final length of the rod under this tensile load in "mm".

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