A long, flat steel bar 260mm wide and 35mm thick has a circular hole 50mm in diameter, centrally located. The allowable tensile stress for the steel is 160Mpa. Calculate the axial tensile load that may be applied to the bar. 3.0 (a) 2r Circular hole (b) Semicircular grooves (e) Fillets 28 26 24 Circular hole 22 20 18 Fillets Semicircular grooves 16 14 1.2 1.0 0.2 03 0.5 rld 0.1 0.4 0.6 0.7 0.8 09 1.0

A long, flat steel bar 260mm wide and 35mm thick has a circular hole 50mm in diameter, centrally located. The allowable tensile stress for the steel is 160Mpa. Calculate the axial tensile load that may be applied to the bar. 3.0 (a) 2r Circular hole (b) Semicircular grooves (e) Fillets 28 26 24 Circular hole 22 20 18 Fillets Semicircular grooves 16 14 1.2 1.0 0.2 03 0.5 rld 0.1 0.4 0.6 0.7 0.8 09 1.0

Mechanics of Materials (MindTap Course List)

9th Edition

ISBN:9781337093347

Author:Barry J. Goodno, James M. Gere

Publisher:Barry J. Goodno, James M. Gere

Chapter2: Axially Loaded Members

Section: Chapter Questions

Problem 2.2.17P: A hollow, circular, cast-iron pipe (Ec =12,000 ksi) supports a brass rod (Ec= 14,000 ksi} and weight...

See similar textbooks

Similar questions

A spherical balloon is filled with a gas. The outer diameter of the balloon is 20 in. and the thickness is 0,012 in. Calculate the maximum permissible pressure in the balloon if the allowable tensile stress and the allowable shear stress in the balloon are 1 ksi and 0.3 ksi, respectively.
A brass plate with a modulus of elastici ty E = 16 X 106 psi and Poisson’s ratio a = 0.34 is loaded in biaxial stress by normal stresses r and cry. (sec figure). A strain gage is bonded to the plate at an angle 4 = 350 If the stress o is 10,700 psi and the strain means used by the gageise = 390 X 106.whatisthcmax- imum in-plane shear stress (Tr, ),. and shear strain (>‘ ).? What is the maximum shear strain (y ) in the x-: plane? What is the maximum shear strain (y ).. in the y-r plane?
(a) Solve part (a) of the preceding problem if the pressure is 8.5 psi, the diameter is 10 in., the wall thickness is 0,05 in., the modulus of elasticity is 200 psi, and Poisson's ratio is 0.48. (b) If the strain must be limited to 1.01, find the maximum acceptable inflation pressure
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?
A prismatic bar with a length L = 3 ft and cross-sectional area A = 8 in2 is compressed by an axial centroidal load P = 10 kips. Determine the complete state of stress acting on an inclined section pq that is cut through the bar at an angle W = 35", and show the stresses on a properly oriented stress element.
Solve the preceding problem if the diameter is 480 mm, the pressure is 20 MPa, the yield stress in tension is 975 MPa, the yield stress in shear is 460 MPa, the factor of safety is 2,75, the modulus of elasticity is 210 GPa, Poissorfs ratio is 0.28, and the normal strain must not exceed 1190 x 10" . For part (b), assume that the tank thickness is 8 mm and the measured normal strain is 990 x 10~ .
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.
The stresses on an element are sx= 1000 Psi. sy= 500 psi, and txy= 350 psi. Find the stresses acting on an element oriented at an angle 0 = 250. Show these stresses on the rotated element.
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.
A wire with a Young’s Modulus, E, of 8.5 x 106 N/m2 and an original length of 1.5 m is under tension. If the wire length extension is 2.5 mm, calculate the stress in the wire. Give your answer in N/m2to 2 decimal places. (show all work)
A circular rod is stretched by a force of 3kN. Solve the diameter of the rod if the stress is not to exceed 153MPa.
A bronze tire (thickness=12mm, width= 110 mm, internal diameter=800 mm) was heated and shrunk onto an 800.5 mm diameter bronze wheel. E = 83 GPa. 1. Find the Tensile stress in the tire. a. 51.8 MPa b. 121 MPa c. 107 MPa d. 125 MPa 2. Find the compressive force bet the tire and the wheel when pinched. a. 1.56 MPa b. 3.53 MPa c. 2.25 MPa d. 3.75 MPa 3. Find the minimum required wheel thickness when allowable stress is 124 MPa and the compressive stress is 1.5MPa. a. 4.0 mm b. 4.25 mm c. 3.52 mm d. 4.84 mm