HW1_F09_sol_ - UNIVERSITY OF ILLINOIS URBANA-CHAMPAIGN DEPARTMENT OF CIVIL ENVIRONMENTAL ENGINEERING NAME DATE CEE 380 Spring 2009 HOMEWORK#1 Soil

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UNIVERSITY OF ILLINOIS, URBANA-CHAMPAIGN NAME: _______________ DEPARTMENT OF CIVIL & ENVIRONMENTAL ENGINEERING DATE: _______________ 1 CEE 380 Spring 2009 – HOMEWORK #1 Soil Grain Properties & Weight-Volume Relationships (Due Jan 29, 2009) NOTE: PLEASE SHOW YOUR CALCULATIONS IN A CLEAR FORM 1. For a given soil, show that: a. e S w G r s = Solution: e S V V V V V V W W V W V W W W w G r s v v w s w s w w w s s s w w s s = × = = × = × = × γ b. () w e eS w r d + = 1 Solution: d t s v s s s v s s s s w s v s w s w s v w w v w s v w r V W V V W V V V V W W W V V V W W W V V V W V V V V w e eS = = + = + = + = + = + 1 1 1
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UNIVERSITY OF ILLINOIS, URBANA-CHAMPAIGN NAME: _______________ DEPARTMENT OF CIVIL & ENVIRONMENTAL ENGINEERING DATE: _______________ 2 c. w sat e w w e γ + + = 1 1 Solution: w sat w S W V S W W S W S W S W W S W S W W S S S V S S S S S S V S S S S S a W S sat e e e e e V V e V V e V W e W W V W e W V W W W W e V W V V V V V W V V V V W V W V W W S V V W W ω + + = + + = + + = + + = + + = + + = + + = + + = + + = + + = + = + = = = + = 1 1 ) 1 ( ) 1 ( ) 1 ( ) 1 ( ) 1 ( ) 1 ( ) 1 ( ) 1 ( ) 1 ( ) 1 ( ) 1 ( ) 1 ( 1 1 * 1 ) 1 ( ) 1 ( 1 1 * ) 1 ( ) 1 ( %) 100 , 0 ( OR = = + + = + + = + + = t t w v w w s t s t w s s v
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This note was uploaded on 04/15/2010 for the course STAT 410 taught by Professor Monrad during the Fall '08 term at University of Illinois, Urbana Champaign.

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HW1_F09_sol_ - UNIVERSITY OF ILLINOIS URBANA-CHAMPAIGN DEPARTMENT OF CIVIL ENVIRONMENTAL ENGINEERING NAME DATE CEE 380 Spring 2009 HOMEWORK#1 Soil

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