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CE 716 EROSION AND SEDIMENTATION
Pierre Y. Julien
, Fall 2005
Assignment #1
Chapters 1,2, and 3 due September 7, 2005
Problem # 1
(20%)
1a.
Consider a 6 m high container that is 0.5m x 0.5m at the base.
A cubic meter of
water at 10°C is added and sand is then poured from the surface until the volumetric
concentration reaches 25%.
If the sand is maintained in suspension through
constant mixing, determine the following properties of the mixture in SI units: level of
the free surface, volume of sediment, concentration in ppm, specific mass of the
mixture and dry specific weight of the mixture.
1b.
Stop mixing and wait until all the sediment settles at a dry specific weight of 93
pounds per cubic feet, determine the following properties of the deposit in SI units:
height of the deposit, dry specific mass, specific weight of the deposit, void ratio, and
volumetric concentration.
Problem # 2
(15%)
Use the method of dimensional analysis to determine the dimensionless parameters
for the sediment discharge by weight Q
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This note was uploaded on 09/16/2009 for the course CIVE 716 taught by Professor Julien during the Fall '06 term at Colorado State.
 Fall '06
 Julien

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