The beam supports a central concentrated load of 12 kips and a uniformly distributed load of 1200 lb/ft, including the weight of the beam. Solution to Problem 521 | Flexure Formula Problem 521 A beam made by bolting two C10 × 30 channels back to back, is simply supported at its ends. Be sure to include the weight of the beam. Calculate the maximum value of wo if the flexural stress is limited to 20 ksi. The beam is made by welding two S18 × 70 (see appendix B of text book) sections along their flanges to form the section shown in Fig. Solution to Problem 519 | Flexure Formula Problem 519 A 30-ft beam, simply supported at 6 ft from either end carries a uniformly distributed load of intensity wo over its entire length. Find the maximum uniformly distributed load that can be applied over the entire length of the beam, in addition to the weight of the beam, if the flexural Solution to Problem 520 | Flexure Formula Problem 520 A beam with an S310 × 74 section (see Appendix B of textbook) is used as a simply supported beam 6 m long. What uniformly distributed load can be carried, in addition to the weight of the beam, without exceeding a flexural stress of 120 MPa if (a) the webs are vertical and (b) the webs are horizontal? Refer to Appendix B of text book for channel properties. Solution to Problem 518 | Flexure Formula Problem 518 A cantilever beam 4 m long is composed of two C200 × 28 channels riveted back to back. Compute the maximum flexural stress at section a-a if the cross-section is 50 mm square. P-514 carries a uniformly distributed loading equivalent to 200 N for each horizontal projected meter of the frame that is, the total load is 1000 N. Solution to Problem 514 | Flexure Formula Problem 514 The right-angled frame shown in Fig. Determine the magnitude and the location of the maximum flexural stress. Solution to Problem 513 | Flexure Formula Problem 513 A rectangular steel beam, 2 in wide by 3 in deep, is loaded as shown in Fig. Solution to Problem 515 | Flexure Formula Problem 515 Repeat Prob. If P = 400 lb and F = 200 lb, compute the maximum flexural stress developed in section a-a. P-512 is bent into a semicircle with a mean radius of 2 ft. Solution to Problem 512 | Flexure Formula Problem 512 The circular bar 1 inch in diameter shown in Fig. What is the maximum length of the beam if the flexural stress is limited to 3000 psi? Problem 511 A simply supported rectangular beam, 2 in wide by 4 in deep, carries a uniformly distributed load of 80 lb/ft over its entire length. Solution to Problem 511 | Flexure Formula Determine the largest uniformly distributed load that can be applied over the right two-thirds of the beam if the flexural stress is limited to 50 MPa. Solution to Problem 510 | Flexure Formula Problem 510 A 50-mm diameter bar is used as a simply supported beam 3 m long. If the average stress in the tubes is no to exceed 10 ksi, determine the total uniformly distributed load that can be supported in a simple span 12 ft long. Each tube has a cross-sectional area of 0.20 in 2. Solution to Problem 509 | Flexure Formula Problem 509 A section used in aircraft is constructed of tubes connected by thin webs as shown in Fig. P-508 if the flexural stress is not to exceed 20 MPa. Solution to Problem 508 | Flexure Formula Problem 508 Determine the minimum height h of the beam shown in Fig. Using E = 70 GPa, determine the flexural stress in the top and bottom fibers. P-507 are found to increase 60 × 10-3 mm whereas those at CD decrease 100 × 10 -3mm in the 200-mm-gage length. Solution to Problem 507 | Flexure Formula Problem 507 In a laboratory test of a beam loaded by end couples, the fibers at layer AB in Fig. Determine the maximum fiber stress and the stress in a fiber located 0.5 in from the top of the beam at midspan. Solution to Problem 504 | Flexure Formula Problem 504 A simply supported beam, 2 in wide by 4 in high and 12 ft long is subjected to a concentrated load of 2000 lb at a point 3 ft from one of the supports. (b) Determine the type and magnitude of the stress in a fiber 20 mm from the top of the beam at a section 2 m from the free end. (a) Compute the magnitude and location of the maximum flexural stress. Solution to Problem 503 | Flexure Formula Problem 503 A cantilever beam, 50 mm wide by 150 mm high and 6 m long, carries a load that varies uniformly from zero at the free end to 1000 N/m at the wall.
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