Homework 10B- 2009_1

Homework 10B- 2009_1 - The University of Missouri-Columbia...

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The University of Missouri-Columbia Department of Civil Engineering Assigned: Wed. 10/19/09 Due: Not Turned In CE 3400 – Fall 2009 Homework No. 10B - Consolidation and Settlement #2 A wide approach embankment is to be constructed for a large pile-supported bridge over a river. At the point where the embankment connects with the bridge, the top of the embankment will be at El. 133 feet. Tests on the fill indicate that the probable dry unit weight, and degree of saturation will be 110 pcf, and 92%, respectively. Any fill that settles below the groundwater table will presumably become saturated eventually. However, to simplify the problem, assume that the degree of saturation remains at 92% when the fill settles below the groundwater table. The site where the approach embankment will be constructed is underlain by a desiccated crust of clay 10-ft. thick. The desiccated clay is hard and, for our purposes, may be assumed to be incompressible. The desiccated clay is saturated and has a total unit weight of 125 pcf. Underlying the desiccated clay is a 75-foot thick stratum of soft, saturated clay that has a water
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This note was uploaded on 06/21/2010 for the course CE 3400 taught by Professor Brentrosenblad during the Fall '09 term at Missouri (Mizzou).

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