Answered: 2.31. The three principal stresses at a… | bartleby

Related questions

Question

2.31. The three principal stresses at a given point are ơj =60 MPa, ơ2=-100 MPa,
03 =-10 MPa. If the material has a yield stress of 250 MPa, estimate the factor of
safety against yielding using (i) the maximum shear stress theory and (ii) von Mises'
theory.

Expert Solution

Trending now

This is a popular solution!

Step by step

Solved in 2 steps

SEE SOLUTION Check out a sample Q&A here

Blurred answer

Similar questions

Member BC has a square cross section. The diameter of the pins at A and B are 3 cm and 2 cm respectively. If the allowable normal stress for member BC is allow = 25 MPa and the allowable shear stress for the pins iS Tallow = 12 MPa, calculate the maximum force intensity w (in N/m). 4 cm В 50° 3 m A W
2. The stress tensor relative to (x, y, z) axes at a point in a structural member made from isotropic material is 0 0 18' 0 MPa 0 39. 105 18 0 (a) Find the stress on the plane with normal R =i+÷j+k %3D 3. (b) Assuming a yield stress of o, = 240 MPa, determine the safety factor used in the design based on the Tresca and von Mises failure criteria. %3D
1. A simply supported beam has a clear span of= 22 ft. and is subjected to a factored uniform load of 3.3 k/ft. The distance from the extreme compression fiber to centroid of longitudinal tension reinforcing steel is 17 inches. Assume f.' = 4,000 psi, and fy = 60,000 psi. The factored shear force at the critical section is most nearly: a) 36.3 kips b) 33 kips c) 28.8 kips d) 31.6 kips
A cylindrical specimen of some metal alloy of 8 mm in diameter is stressed elastically in tension. A force of 15700 N produces the elastic modulus of 138 GPa of the specimen, the longitudinal strain is: O a. 2.26 O b. 2.23 O c. 2.28 O d. 2.29
Problem Solving... The cross-sectional area of the bar is 5 cm2. Use E= 70 GPa for aluminum, and E= 200 GPa for steel. Aluminum Steel Aluminum 80 kN 20 kN 30 kN 70 kN A 3 m -4 m- 5 m- - What is the elongation in segment AB (Aluminum)? * -7.8571 x10^-3 m O6.8571 x10^-3 m O -6.8571 x10^-3 m 7.8571 x10^-3 m
4. Under certain conditions, wind blowing past a rectangular speed limit sign can cause the sign to oscillate with a frequency w (see Fig.). Assume that w is a function of the sign width, b; sign height, h; wind velocity, V; air density, p; and an elastic constant, k, for the supporting pole. The constant, k, has dimensions of Nm. (a) Develop a suitable set of pi terms for this problem using b, V, and p as repeating variables. (b) List all the other possible combinations of repeating variables that could have been utilized for this problem. SPEED LIMIT 40