167_CEG 4012 Notes Fall 2011 CEG 4012 Notes Fall 2011

167_CEG 4012 Notes Fall 2011 CEG 4012 Notes Fall 2011 -...

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Drilled Shaft Example, Clay No static test Uniform Site Good site investigation therefore FS = 2.5 GWT at 100 tt "(concrete = 105 pcf 12 tt 25 ft ~ Stiff Silty Clay, 'Y = 105 pet, C u = 1.6 ksf Stiff Clay, "( = 108 pcf, Cu = 1.4 ksf Very Stiff Clay, y = 109 pcf, C u = 4.0 ksf 1.5 ft 5 ft pile weight: W = 150 pcf [(58.5 tt) 1t (2)2/4 + (1rI12)(1.5 tt)(2 2 + 52 + 2x5)] /1000 = 29.9 kips bearing: ql = 9 (4.0 ksf) = 36.0 ksf At = 1t Bb 2/4 = 1t 52 / 4 = 19.6 te at = 36.0 ksf ( 19.6 ft2) = 705.6 kips side shear: use (X
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Unformatted text preview: method. note (X = 0 for 5' from head and (1.5 ft + B) = 3.5 ft above toe Layer Depth Thickness C u f s = <xc u As=1tB~L as = fsAs ft ft ksf (X ksf ft2 kips 1 0-5 5-2 5-12 7 1.6 0.55 0.88 44 39 3 12-37 25 1.4 0.55 0.77 157 121 4 37-56.5 19.5 4.0 0.48 1.92 122 234 5 56.5-60 3.5-Las 394 allowable load: P _ 705.6 + 394 - 29.9 _ 428 k' a --IpS 2.5...
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This note was uploaded on 02/10/2012 for the course CEG 4012 taught by Professor Staff during the Fall '08 term at University of Florida.

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