Unformatted text preview: ± q + q beam q total ± 145.964 1b ft 8 * 12 A req ± 73.405 in. 2 < A V max ± R B A req ± 3 V max 2 t allow Problem 5.8-10 A simply supported wood beam of rectangular cross section and span length carries a concentrated load at midspan in addition to its own weight (see figure). The cross section has width and height . The weight density of the wood is . Calculate the maximum permissible value of the load if (a) the allowable bending stress is , and (b) the allowable shear stress is . 0.8 MPa 8.5 MPa P 5.4 kN/m 3 240 mm 140 mm P 1.2 m 0.6 m 0.6 m P 140 mm 240 mm 0.6 m 0.6 m P 140 mm 240 mm 05Ch05.qxd 9/25/08 2:29 PM Page 449...
View
Full Document
- Fall '11
- Staff
- Force, Shear Stress, Shear, Stress, Shear strength, Rectangular beams
-
Click to edit the document details