05-06ChapGere.0002

05-06ChapGere.0002 - 1 93.600 psi 5 87.6 psi s c 5 2 6.042...

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Solution 5.12-11 Concrete wall 364 CHAPTER 5 Stresses in Beams h 5 height of wall t 5 thickness of wall b 5 width of wall (perpendicular to the figure) g c 5 weight density of concrete g w 5 weight density of water d 5 depth of water W 5 weight of wall W 5 bht g c F 5 resultant force for the water pressure M AXIMUM WATER PRESSURE 5 g w d A 5 bt S TRESSES AT THE BASE OF THE WALL ( d 5 DEPTH OF WATER ) Eq. (1) Eq. (2) s c 52 W A 2 M S 52 h g c 2 d 3 g w t 2 s t 52 W A 1 M S 52 h g c 1 d 3 g w t 2 S 5 1 6 bt 2 M 5 F ¢ d 3 5 1 6 bd 3 g w F 5 1 2 ( d )( g w d )( b ) 5 1 2 bd 2 g w (a) S TRESSES AT THE BASE WHEN d 5 h h 5 6.0 ft 5 72 in. d 5 72 in. t 5 1.0 ft 5 12 in. Substitute numerical values into Eqs. (1) and (2): s t 52 6.042 psi
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Unformatted text preview: 1 93.600 psi 5 87.6 psi s c 5 2 6.042 psi 2 93.600 psi 5 2 99.6 psi (b) M AXIMUM DEPTH FOR NO TENSION Set s t 5 0 in Eq. (1): d max 5 28.9 in. d 3 5 (72 in.)(12 in.) 2 ¢ 145 62.4 ≤ 5 24,092 in. 3 d 3 5 ht 2 ¢ g c g w ≤ 2 h g c 1 d 3 g w t 2 5 g w 5 62.4 lb / ft 3 5 62.4 1728 lb / in. 3 g c 5 145 lb / ft 3 5 145 1728 lb / in. 3 h d t M W F d/ 3 V A-PDF Split DEMO : Purchase from www.A-PDF.com to remove the watermark...
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