A rectangular section 100 x 200 mm is subjected to moment 20 kN/m. The maximum bending stress is
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Q: times larger than in stee Q1) For the section shown aside, if the bending stress at point B is 225…
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- A square tube section has side dimension of 20 in. arid thickness of 0.5 in. If the section is used for a 10-ft-long beam subjected to 1250 kip-in, torque at both ends, calculate the maximum shear stress and the angle of twist between the ends. Use G = 11,600 ksi.The three beams shown have approximately the same cross-sectional area. Beam 1 is a W 14 X 82 with flange plates; beam 2 consists of a web plate with four angles; and beam 3 is constructed of 2 C shapes with flange plates. Which design has the largest moment capacity? Which has the largest shear capacity? Which is the most economical in bending? Which is the most economical in shear? Assume allowable stress values are: = 18 ksi and ra=11 ksi. The most economical beam is that having the largest capacity-to-weight ratio. Neglect fabrication costs in answering parts (c) and (d) above. Note: Obtain the dimensions and properties of all rolled shapes from tables in Appendix F.find the maximum value Mmax of the bending moment
- A timber dam is made of planking backed by vertical piles. The piles are built-in at the section A where they enter the ground and they are supported by horizontal struts whose center lines are 10 m above A. The piles are spaced 1 m apart between centers and the depth of water against the dam is 10 m. Assuming that the thrust in the strut is two-sevenths the total water pressure resisted by each pile, sketch the form of the bending moment and shearing force diagrams for a pile. Determine the magnitude of the bending moment at A and the position of the section which is free from bending moment. (Cambridge). i. 238 kN-m; 0.75 m from A. ii. 238 kN-m; 0.75 m from B.Find maximum bending stress and its location, bending stress at a point 20mm from the top of the beam on section BA solid steel shaft, circular in cross section, has a change in diameter from 135 mm to 90 mm with a fillet radius of 4.5 mm at the place of change. A load with a bending moment of 1500 N-m is applied in the shaft at the cross-section change. Determine the maximum bending stress induced in the shaft at the cross-section cha
- An I section symmetrical beamhas 200mm wide flange and overall depth of 500mm. Each flange is 25mm thickand the web is 20mm thick. Determine the maximum bending moment that should be imposed in the sectionif the tensile or the compressive stressis not to exceed 40MN/m^2 and what percentage of the moment is resisted by flange or web?Calculate the maximum normal bending stress and the maximum shear stressWhat is the max bending stress in ksi about the x axis for a W12x50 beam with a 43.6 k-ft max moment? Provide 2 decimals
- A cantilever beam of cross-section 90 mm. width 120 mm deep carries a UDL of 12 KN/m. over the entire length and a concentrated load of 15 KN at the right end. Find the bending stress in the beam, when the length of beam is 10 m.A square tube section has side dimension of20 in. and thickness of 0.5 in. If the section is used fora 10-ft-long beam subjected to 1250 kip-in. torque atboth ends, calculate the maximum shear stress and theangle of twist between the ends. Use G =11,600 ksi.Calculate the maximum bending stress