02-06ChapGere.0007

02-06ChapGere.0007 - A 5 0.25 in. 2 , and the modulus of...

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

View Full Document Right Arrow Icon
Problem 2.8-2 Solve the preceding problem if the collar has mass M 5 80 kg, the height h 5 0.5 m, the length L 5 3.0 m, the cross-sectional area A 5 350 mm 2 , and the modulus of elasticity E 5 170 GPa. Solution 2.8-2 Collar falling onto a flange 150 CHAPTER 2 Axially Loaded Members M 5 80kg W 5 Mg 5 (80kg)(9.81m/s 2 ) 5 784.8N h 5 0.5m L 5 3.0m E 5 170GPa A 5 350mm 2 (a) D OWNWARD DISPLACEMENT OF FLANGE (b) M AXIMUM TENSILE STRESS (E Q . 2-55) (c) I MPACT FACTOR (E Q . 2-61) 5 160 Impact factor 5 d max d st 5 6.33 mm 0.03957 mm s max 5 E d max L 5 359 MPa 5 6.33 mm Eq. (2-53): Ê d max 5 d st B 1 1 ¢ 1 1 2 h d st 1 / 2 R d st 5 WL EA 5 0.03957 mm Flange L h W Problem 2.8-3 Solve Problem 2.8-1 if the collar has weight W 5 50 lb, the height h 5 2.0 in., the length L 5 3.0 ft, the cross-sectional area
Background image of page 1
This is the end of the preview. Sign up to access the rest of the document.

Unformatted text preview: A 5 0.25 in. 2 , and the modulus of elasticity E 5 30,000 ksi. Solution 2.8-3 Collar falling onto a flange Flange L h W W 5 50lb h 5 2.0in. L 5 3.0ft 5 36in. E 5 30,000psi A 5 0.25in. 2 (a) D OWNWARD DISPLACEMENT OF FLANGE (b) M AXIMUM TENSILE STRESS (E Q . 2-55) (c) I MPACT FACTOR (E Q . 2-61) 5 130 Impact factor 5 d max d st 5 0.0312 in. 0.00024 in. s max 5 E d max L 5 26,000 psi 5 0.0312 in. Eq. (2-53): d max 5 d st B 1 1 1 1 2 h d st 1 / 2 R d st 5 WL EA 5 0.00024 in. A-PDF Split DEMO : Purchase from www.A-PDF.com to remove the watermark...
View Full Document

Ask a homework question - tutors are online