465_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

465_Mechanics SolutionInstructors_Sol.Manual-Mechanics_Materials_7e.book_Gere_light.1

Info iconThis preview shows page 1. Sign up to view the full content.

View Full Document Right Arrow Icon
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: 05Ch05.qxd 9/25/08 2:29 PM Page 459 459 SECTION 5.10 Shear Stresses in Beams with Flanges Problem 5.10-4 Dimensions of cross section: b h 570 mm, and V 600 mm, h1 220 mm, t 12 mm, 200 kN . Solution 5.10-4 Wide-flange beam b t 12 mm h 600 mm h1 570 mm V (c) AVERAGE SHEAR STRESS IN THE WEB (EQ. 5-50) 220 mm 200 kN taver V th1 tmax taver 1.104 29.24 MPa ; (d) SHEAR FORCE IN THE WEB (Eq. 5-49) Vweb MOMENT OF INERTIA (Eq. 5-47) I 1 (bh3 12 bh3 + th3) 1 1 750.0 * 106 mm4 (a) MAXIMUM SHEAR STRESS IN THE WEB (Eq. 5-48a) tmax V (bh2 8It bh2 + th2) 1 1 th1 (2tmax + tmin) 3 Vweb V 0.981 196.1 kN ; ; ; 32.28 MPa (b) MINIMUM SHEAR STRESS IN THE WEB (EQ. 5-48b) tmin Vb 2 (h 8It h2) 1 21.45 MPa ; Problem 5.10-5 Wide-flange shape, W 18 * 71 (see Table E-1(a), Appendix E); V 21 k. Solution 5.10-5 Wide-flange beam (b) MINIMUM SHEAR STRESS IN THE WEB (EQ. 5-48b) W 18 * 71 b 7.635 in. t 0.495 in. h 18.47 in. h1 16.85 in. V 21 k tmin 1 (bh3 12 bh3 + th3) 1 1 taver 1162 in.4 V (bh2 8It bh2 + th2) 1 1 2634 psi V th1 tmax taver 1993 psi ; 1.046 2518 psi ; ; (d) SHEAR FORCE IN THE WEB (EQ. 5-49) (a) MAXIMUM SHEAR STRESS IN THE WEB (Eq. 5-48a) tmax h2) 1 (c) AVERAGE SHEAR STRESS IN THE WEB (EQ. 5-50) MOMENT OF INERTIA (Eq. 5-47) I Vb 2 (h 8It ; Vweb th1 (2tmax + tmin) 3 Vweb V 0.961 ; 20.19 k ; ...
View Full Document

Ask a homework question - tutors are online