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Unformatted text preview: = = 5000 I I (1 OO'xl 00') = = 5000 V [(100'+20')(100'+20')) = a The pyramid approximation prOVides a constant ..1a. .. over the expanding contact area (B+z)(L+z), but day = 0 outside this area. A gradual distribution is more realistic. nav :I; constant vs. !J.crv = constant ~ Mv=O I I Pyramid Solulion Actual Case o The theory of elasticity will give a better pressure distribution. On any horizontal plane the sum of the vertical stresses over the pressure area equals the applied surface load. q = Q/A q=Q/A :.---r1JItD---z...
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- Fall '08