BC-General-methods

BC-General-methods - Bearing Capacity Methods - Comparisons...

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Unformatted text preview: Bearing Capacity Methods - Comparisons Given Variables ( lb/ft3) = 105 ( ) = 25 FS = 3.000 B' (ft) = 2.329 118 = 0.060 L' (ft) = 3.400 4 Q (lb) = 50000 0.060 A' (ft) = 7.917 2 3000 0.015 B = 4 c ( lb/ft2) = 350 3000 0.015 L = 4 Hansen Method Calculated Variables c ( lb/ft2) = 350.00 321.20 B 129.47 20.79 10.73 6.85 1.52 1.47 0.60 1.40 1.31 1.00 1.00 1.00 1.00 350.00 x 20.79 x 1.52 x 1.40 x 1 + + 321.20 x 10.73 x 1.47 x 1.31 x 1 + 55.60 x 4.00 x 6.85 x 0.60 x 1.00 x 1 = 22983 Q = 122574 OK Terzaghi Method Calculated & Obtained Variables c ( lb/ft2) = 350.00 321.20 B 129.47 25.10 12.70 9.20 17045 Q = 44983 Not OK Meyerhof Method sat ( lb/ft3) = e B (ft) = D B (ft) = e L (ft) = D w (ft) = M B (lb-ft) = e L / L = M L (lb-ft) = e B / B = q (lb/ft2) = N c N q N F cs F qs F s F cd F qd F d F ci F qi F i Calculation of the ultimate bearing capacity (q u ) q u = c N c F cs F cd F ci + q N q F qs F qd F qi + ( sat- w ) B N F s F d F i q u = q u...
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This note was uploaded on 09/07/2011 for the course CEG 4012 taught by Professor Staff during the Spring '10 term at FIU.

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BC-General-methods - Bearing Capacity Methods - Comparisons...

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