tennessee tech

7/24/2019 Tennessee Tech

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Tennessee Tech

Department of Civil and Environmental Engineering

MemoTo: Dr. Daniel R. VandenBerge, P.E.

From:write name here

CC: File

Date: 2/24/1

Re:!omewor" #

1. $he gradation %&rve for 'to%"pile ( ha' )een plotted again't the gradation %riteria for ((*!$+ -.t %an )e 'een that the gradation %&rve of 'to%"pile ( doe' not fit the %riteria at 'ieve' n&m)er #/0 and

4. $herefore, more gravel have to )e added to )ring the lower )o&nd' within the %riteria. *to%"pile (

ha' )een %la''ified a' ell raded ravel 3

2. $he gro&p name of 5a6er 2 i' Silty Sandand gro&p '6m)ol i' SM

$he gro&p name of 5a6er # i' Poorly Graded Sandand gro&p '6m)ol i' SP

$he gro&p name of 5a6er 4 i' Lean Clay with Sand and gro&p '6m)ol i' CL

#. $he %ompleted )oring log ha' )een atta%hed. $he ma7or pro)lem i' that there i' peat at the fo&ndation

level whi%h i' a wea" 'oil and therefore will have 'trength pro)lem'. t 'ho&ld )e repla%ed with a

'tronger 'oil.

4. $he ma8im&m dr6 &nit weight i' 112.- p%f and the optim&m moi't&re %ontent i' 129.4/2- or 19 of the te't point' have failed to meet the %riteria.


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Question 1:

Classification:

Pa''ing 2::;19


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Question :

C>RVE ? 35(@ER 2

Pa''ing 2:: ; 1A9RVE ! 35(@ER 4

Pa''ing 2::; 029-:9 3Fine grained

55;#0, P;#0=22;1

*and 9; 1::=02;1091-9

t i' Lean Clay with Sand !CL"

Question #:

Question $:

*ample %al%&lation'

Water content(w )=weight of water

weight of dry solids=4.193.86

3.86100=8.55

Test %ei&ht of Total %ater Moist 'nit Dry 'nit (ero )ir

%rite name here

CLSPS

Medium dense *rown silty

S)+D !)STM D$,-"

.ery stiff &ray lean CL)/

with sand !)STM D$,-"

Dense &ray 0oorly &raded

S)+D !)STM D$,-"


4/8

0oint Dry Soil

%s !l*"

%ei&ht of

Moist Soil

%t !l*"

Content w

!2"

%ei&ht

!0cf"

%ei&ht

d

!0cf"

.oid

ZAV

!0cf"

1 #.0 4.1A 0.-- 12-. 11-.A 14:.-

4.:2 4.4- 1:.A 1##.- 12:.: 1#4.1:

# 4.:0 4.-0 12.2- 1#.4 122.4: 12A.-

$ #.A2 4.4A 14.-4 1#4. 11.: 12#.0-

3 #.- 4.# 1.2- 1#:.0 112.-1 11A.0


5/8

8 9 10 11 12 13 14 15 16 17106

108

110

112

114

116

118

120

122

124

Test Points

Moisture Content (w%)

Dry Unit weight (pcf)

Fi&ure 1 Pro*lem $!*"

8 9 10 11 12 13 14 15 16 17106

108

110112

114

116

118

120

122

124

Standard Proctor curve

Moisture content (w%)

Dry unit weight (pcf)

Pro*lem $ !c"


6/8

8 9 10 11 12 13 14 15 16110

115

120

125

130

135

140

Standard Proctor curve zero a ir void

Moisture Content (w%)

Dry Unit weight (pcf)

Pro*lem $!d"


7/8

8 9 10 11 12 13 14 15 16112

114

116

118

120

122

124

126

128

Standard Proctor curve Field Test Points Percentage

Moisture content (w%)

Dry unit weight (pcf)

Pro*lem $ !e"

w9 d3p%f R.C. 39 w=w+P$

1 1# 122. 1::.:01 1

2 12.0 122 AA.-A104 :.0

# 12.4 12-.A 1:2.-- :.4

4 11.- 12-.# 1:2.20- =:.-

- 12.A 122. 1::.1## :.A

12.2 12-.1 1:2.1224 :.2

12 12-.1 1:2.1224 :

0 12.4 124. 1:1.14# :.4

A 1#.1 12#.4 1::.#4 1.1

1: 1#.2 12#.1 1::.40A0 1.2

11 12.A 124. 1:1.A-A :.A

12 11.0 12-.2 1:2.2:41 =:.2

1# 1:.- 12 1:2.0-1 =1.-

14 11.# 12-.0 1:2.A#A =:.

1- 11. 124. 1:1.A-A =:.#

1 11. 124.0 1:1.0 =:.#

1 11.2 122.4 AA.A10# =:.010 11.# 122. 1::.1## =:.

1A 12.2 124.4 1:1.--1 :.2

2: 1#.2 11.A A-.420- 1.2

21 12.A 110.# A.-14# :.A

22 12. 12:. A0.-#:1 :.

2# 1# 11A.A A.0-- 1

24 11.4 121.4 AA.1:2:4 =:.

2- 1:.- 11. A =1.-


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