4) In buckling experiment a steel beam was examined in pin-pin method. it endured a load up to 1848 N Its length is 750 mm cross sectional width is 20 mm, thikness is 4 mm. Find the eritical stres...
A cantilever beam AB with a circular cross section and length L = 750 mm supports a load P = 800 N acting at the free end (see figure). The beam is made of steel with an allowable bending stress of l20 MPa. Determine the required diameter d_min (figure part a) of the beam, considering the effect of the beam's own weight. Repeat part (a) if the beam is hollow with wall thickness t = d/8 (figure part b); compare...
The beam has the rectangular cross section shown. A beam of length 6 meters pin-supported 2 meters from the left end and roller-supported 2 meters from the right end. The beam has a rectangular cross section with base length 50 millimeters and height 150 millimeters. Load: w, uniform along beam. Part A If w = 4 kN/m , determine the maximum bending stress in the beam. Can you please draw out the moment and shear diagrams for this one using...
A strip of high-strength steel has a length of 30 cm and a cross-section mm. The modulus of elasticity is 200 GPa, and Poisson's ratio is 0.27. It is subjected to axial load of 15,000 N, and is instrumented with 120 Ohm resistors in a half-bridge configuration. The supply voltage is 5 volts and the gage factor is 2. Find the output voltage in mv. of 1 by 20 mm 2- A strip of high-strength steel has a length of...
2. A steel bar 100 mm long and having a square cross section 20 mm on an edge is pulled in tension with a load of 89,000 N and experiences an elongation of 0.10 mm. Assuming that the deformation is entirely elastic, calculate the elastic modulus of steel. Give your answer in GPa. 3. A zinc single crystal is being pulled in tension with the normal to its basal plane (0001) at 60° to the tensile axis and the slip...
A 3 m rigid bar AB is supported with a vertical translational spring at A and a pin at B The bar is subjected to a linearly varying distributed load with maximum intensity g Calculate the vertical deformation of the spring if the spring constant is 700 kN/m. (ans: 21.43 mm) 2. A steel cable with a nominal diameter of 25 mm is used in a construction yard to lift a bridge section weighing 38 kN. The cable has an...