HomeMy WebLinkAboutSUB200600058 Calculations 2007-06-25 •
CBR Tests
South Fork Farms Phase 4
Albemarle County
Job Code — 2087
Prepared for:
Mr. Wallace Forloines
Sycamore Creek, LLC
16102 Founders Bridge Terrace
Midlothian,VA 23113
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Prepared by:
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Gooch
.
ngineering
esting , Inc .
1821 Broadway Street
Charlottesville, VA 22902
Website: www.gooch-eng.com
Phone: 434-293-7449
Facsimile: 434-293-513 7
June 25, 2007 RECEIVED
JUL 17 2007
COMMUNITY DEVELOPMENT
John Y. Gooch, P.E. it OOCI'Z Steve Gooch, C.P.G./A.O.S.E.
lZ.gr P'Z 7172g
none (434) 293-7449 eStZYIg,I7'LC_ Fax (434) 293-5137
1821 Broadway Street Charlottesville, Virginia 22902 www.gooch-eng.com
June 22, 2007
Mr. Wallace Forloines
Sycamore Creek, LLC
16102 Founders Bridge Terrace
Midlothian, Virginia, 23113
Re: CBR Tests
South Fork Farms Phase 4
Sycamore Creek Drive Sta. 10+50 through Sta. 46+25
Sycamore Creek Circle Sta. 12+00 and Sta. 16+31
Albemarle County
JOB CODE: 2087
Dear Mr. Forloines:
Enclosed are the results of eleven (11) CBR tests we recently ran on soil samples from the
referenced site. We have enclosed the moisture-density (compaction) curves, the sieve analysis
results, and the stress-strain curves. Our personnel performed sampling in the field.
We trust this is the information you need. If there are any questions, please let us know.
Sincerely:
Gooch Engineering &Testing, Inc.
‘7 , e.—
Steve Gooch
Encl.
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o o c i1,;_f CBR TEST REPORT
1821 Broadway Street
n g in e e r in g Charlottesville,VA 22902
Phone 434-293-7449
e s t i n g , I n C. FAX 434-293-5137 Date 6/7/07
By: HPP
Project: South Fork Farms Phase 4 Job No • 2087
Sample. Locat.• Sycamore Creek Drive Sta 10+50
Description' Brown silty sand
AASHO T-99 X Max. Dry Dens. 108.2 pcf, Opt. Moisture 15 7 %
AASHO T-180
Cylinder No. 3 Cylinder Ht. 4 584 in. Cylinder Vol. 0 0744 cu.ft. Cylinder Wt. 9.31
Hammer Wt. 5.5 lb No. Lifts 3 Blows/lift 50 Surcharge Wt. 10 lb.
DENSITY AND MOISTURE DATA
As Compacted After Soaking
Can No. A5 A6 A5 A6
Wt.wet sample +can, gm. 68.81 68.75 68 68 68.49
Wt. dry sample + can, gm. 62.44 62.21 60.79 60.80
Wt water, gm. 6.37 6.54 7.89 7.69
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t. can, gm. 21.00 21 14 21.00 21.14
Wt. dry soil, gm. 41.44 41.07 39.79 39.66
Percent moisture 15.37 15.6 15.92 19.83 19 6 19.39
Wt. mold +wet soil, lb. 18.43 18.81
Wt. wet soil, lb 9.12 9 50
Wet density of soil, pcf. 122.58 127.02
Dry density of soil, pcf. 105.99 106.20
Percent max. lab density 98.0 98.1
PENETRATION DATA SWELL DATA
Penetration Load
in. lb Dial reading before soaking 0 024 in
0.000 0 Dial reading after soaking 0 048 in
0.025 175 Swell 0 024 in
0.050 285 Percent Swell 0.52 %
0.075 365 Volume after soaking 0 0748 cu. ft.
0.100 440
0.150 550
0.200 650 CBR= 100(440/3000) = 14.7
0 300 830
0.400 1005
0 500 1180
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SIEVE ANALYSIS REPORT
South Fork Farms Phase 4
Sycamore Creek Drive
Sta 10+50
Sieve Cumulative % Passing
3/4 100
4 90.7
10 85.8
40 73.4
200 37.7
ATTERBERG LIMITS
Liquid Limit 32.4
Plastic Limit 28.4
Plasticity Index 4.0
C
O o c h CBR TEST REPORT
1821 Broadway Street
n g i n e e r in g Charlottesville,VA 22902
Phone 434-293-7449
c� e s t i n g , Inc. FAX 434-293-5137 Date. 6/7/07
By. HPP
Project: South Fork Farms Phase 4 Job No.. 2087
Sample. Locat.: Sycamore Creek Drive Sta 15+50
Description: Brown silty sand
AASHO T-99 X Max. Dry Dens. 116.5 pcf, Opt. Moisture 11 3
AASHO T-180
Cylinder No. 4 Cylinder Ht. 4.584 in. Cylinder Vol. 0.0744 cu ft. Cylinder Wt. 9.31
Hammer Wt. 5.5 lb No. Lifts 3 Blows/lift 50 Surcharge Wt. 10 lb
DENSITY AND MOISTURE DATA
As Compacted After Soaking
Can No. A7 A8 A7 A8
Wt. wet sample+can, gm. 68.74 68.49 68.55 68.74
Wt. dry sample+can, gm. 63.75 63.63 62.70 63.01
ciVyni. water, gm. 4.99 4.86 5.85 5.73
t. can, gm. 21 55 20.98 21.55 20.98
Wt. dry soil, gm. 42.20 42.65 41 15 42.03
Percent moisture 11.82 11.6 11.40 14.22 13.9 13.63
Wt. mold +wet soil, lb. 19.05 19.22
Wt. wet soil, lb. 9.74 9.91
Wet density of soil, pcf. 130.91 133.11
Dry density of soil, pcf. 117.30 116.84 .
Percent max. lab density 100 7 100.3
PENETRATION DATA SWELL DATA
Penetration Load
in lb. Dial reading before soaking 0 024 in
0.000 0 Dial reading after soaking 0 028 in
0.025 280 Swell 0.004 in
0 050 475 Percent Swell 0 09 %
0 075 660 Volume after soaking 0 0745 cu.ft.
0.100 790
0.150 900
0.200 1010 CBR= 100(790/3000)= 26.3
0 300 1250
0.400 1415
0.500 1565
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SIEVE ANALYSIS REPORT
South Fork Farms Phase 4
Sycamore Creek Drive
Sta 15+50
Sieve Cumulative % Passing
3/4 100
4 91.7
10 77.5
40 57.1
200 23.3
ATTERBERG LIMITS
Liquid Limit 22.2
Plastic Limit 20.7
Plasticity Index 1.5
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C o o C h CBR TEST REPORT
1821 Broadway Street
n gin e e r i n g Charlottesville,VA 22902
Phone 434-293-7449
X es tin g , In C. FAX 434-293-5137 Date 6/7/07
By. HPP
Project: South Fork Farms Phase 4 Job No.: 2087
Sample. Locat.. Sycamore Creek Drive Sta 20+50
Description: Red sandy silt
AASHO T-99 X Max. Dry Dens. 95.7 pcf, Opt. Moisture 24.3 cyo
AASHO T-180
Cylinder No 5 Cylinder Ht. 4 584 in. Cylinder Vol. 0 0744 cu.ft. Cylinder Wt. 9.32
Hammer Wt. 5 5 lb No. Lifts 3 Blows/lift 50 Surcharge Wt. 10 lb.
DENSITY AND MOISTURE DATA
As Compacted After Soaking
Can No. A9 A10 A9 A10
Wt.wet sample+can, gm. 68.48 68.66 68.54 68 74
Wt. dry sample +can, gm. 58.74 59.21 58.41 58.68
Wt. water, gm. 9.74 9.45 10.13 10.06
t. can, gm. 21.24 20.85 21.24 20.85
Wt. dry soil, gm. 37.50 38.36 37.17 37.83
Percent moisture 25 97 25.3 24.64 27.25 26 9 26.59
Wt. mold+wet soil, lb. 18.36 18.51
Wt. wet soil, lb. 9.04 9.19
Wet density of soil, pcf. 121.51 123.17
Dry density of soil, pcf. 96.97 97.04
Percent max. lab density 101.3 101.4
PENETRATION DATA SWELL DATA
Penetration Load
in lb. Dial reading before soaking 0 042 in
0 000 0 Dial reading after soaking 0.055 in
0 025 300 Swell 0.013 in
0.050 440 Percent Swell 0.28 %
0 075 540 Volume after soaking 0.0746 cu ft.
0.100 615
0 150 730
0.200 820 CBR= 100(615/3000)= 20 5
0.300 970
0 400 110
0.500 1220
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SIEVE ANALYSIS REPORT
South Fork Farms Phase 4
Sycamore Creek Drive
Sta 20+50
Sieve Cumulative % Passing
3/4 100
4 99.0
10 95.2
40 87.9
200 58.4
ATTERBERG LIMITS
Liquid Limit 38.4
Plastic Limit 34.8
Plasticity Index 3.6
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Ckngineering
o C h CBR TEST REPORT
1821 Broadway Street
Charlottesville,VA 22902
Phone 434-293-7449
e s t i n g , In C . FAX 434-293-5137 Date. 6/7/07
By• HPP
Project: South Fork Farms Phase 4 Job No 2087
Sample - Locat.• Sycamore Creek Drive Sta 25+50
Description Red sandy silt
AASHO T-99 X Max. Dry Dens 104 6 pcf, Opt. Moisture 17 6 %
AASHO T-180
Cylinder No 6 Cylinder Ht. 4.584 in. Cylinder Vol. 0.0744 cu.ft. Cylinder Wt. 9.32
Hammer Wt. 5.5 lb No Lifts 3 Blows/lift 50 Surcharge Wt. 10 lb.
DENSITY AND MOISTURE DATA
As Compacted After Soaking
Can No. All Al2 All Al2
Wt. wet sample+ can, gm. 68.69 68.70 68.46 68.81
,Wt. dry sample+can, gm. 61.88 61.72 59.11 59.62
ark,Wt. water, gm. 6.81 6.98 9.35 9.19
%NoWt. can, gm. 21.13 21.35 21.13 21.35
Wt. dry soil, gm. 40.75 40.37 37.98 38.27
Percent moisture 16.71 17.0 17.29 24.62 24.3 24.01
Wt. mold +wet soil, lb. 18.22 18 65
Wt. wet soil, lb 8.90 9.33
Wet density of soil, pcf. 119.62 124.75
Dry density of soil, pcf. 102.24 100.35
Percent max. lab density 97.7 95.9
PENETRATION DATA SWELL DATA
Penetration Load
in. lb. Dial reading before soaking 0 062 in
0 000 0 Dial reading after soaking 0.086 in
0.025 155 Swell 0 024 in
0 050 230 Percent Swell 0.52 %
0.075 280 Volume after soaking 0 0748 cu ft.
0.100 320
0 150 385
0.200 430 CBR= 100(320/3000) = 10 7
0.300 515
0 400 585
0.500 655
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SIEVE ANALYSIS REPORT
South Fork Farms Phase 4
Sycamore Creek Drive
Sta 25+50
Sieve Cumulative % Passing
3/4 100
4 94.5
10 92.2
40 85.5
200 52.1
ATTERBERG LIMITS
Liquid Limit 30.0
Plastic Limit 26.8
Plasticity Index 3.2
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kngineering
o C 1 CBR TEST REPORT
1821 Broadway Street
Charlottesville,VA 22902
Phone 434-293-7449
e s t i n g , In C. FAX 434-293-5137 Date: 6/7/07
By. HPP
Project: South Fork Farms Phase 4 Job No • 2087
Sample Locat. Sycamore Creek Drive Sta 30+50
Description. Red sandy silt
AASHO T-99 X Max. Dry Dens 104 1 pcf., Opt. Moisture 17 9
AASHO T-180
Cylinder No 7 Cylinder Ht. 4 584 in Cylinder Vol. 0.0744 cu ft. Cylinder Wt. 9.02
Hammer Wt. 5.5 lb No Lifts 3 Blows/lift 50 Surcharge Wt. 10 lb
DENSITY AND MOISTURE DATA
As Compacted After Soaking
Can No. A13 A14 A13 A14
Wt. wet sample+ can, gm. 68.71 68.70 68.41 68.81
Wt. dry sample+can, gm. 61.97 61.70 60.60 61.22
Ct.water, gm. 6.74 7.00 7.81 7.59
t. can, gm. 21.42 21.53 21.42 21.53
Wt. dry soil, gm. 40.55 40 17 39.18 39.69
Percent moisture 16.62 17 0 17 43 19.93 19.5 19.12
Wt. mold+wet soil, lb. 18.20 18.37
Wt.wet soil, lb 9.18 9.35
Wet density of soil, pcf 123.39 125.32
Dry density of soil, pcf. 105.44 104.84
Percent max. lab density 101.3 100.7
PENETRATION DATA SWELL DATA
Penetration Load
in. lb Dial reading before soaking 0.006 in
0.000 0 Dial reading after soaking 0 019 in
0.025 130 Swell 0 013 in
0 050 180 Percent Swell 0.28
0.075 225 Volume after soaking 0.0746 cu ft.
0.100 260
0.150 330
0.200 375 CBR= 100(260/3000) = 8.7
0 300 460
0 400 530
0.500 590
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SIEVE ANALYSIS REPORT
South Fork Farms Phase 4
Sycamore Creek Drive
Sta 30+50
Sieve Cumulative %Passing
3/4 100
4 94.9
10 92.4
40 87.9
200 51.8
ATTERBERG LIMITS
Liquid Limit 28.0
Plastic Limit 25.6
Plasticity Index 2.4
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CO O C h kCBR TEST REPORT
1821 Broadway Street
n g i n e e r i n g Charlottesville,VA 22902
Phone 434-293-7449
L� e s t i n g , In C . FAX 434-293-5137 Date 6/7/07
By. HPP
Project: South Fork Farms Phase 4 Job No 2087
Sample. Locat. Sycamore Creek Drive Sta 35+50
Description Red silty sand
AASHO T-99 X Max. Dry Dens 91 9 pcf., Opt. Moisture 26 0 %
AASHO T-180
Cylinder No. 8 Cylinder Ht. 4 584 in Cylinder Vol. 0.0744 cu ft. Cylinder Wt. 9 04
Hammer Wt. 5 5 lb No. Lifts 3 Blows/lift 50 Surcharge Wt. 10 lb.
DENSITY AND MOISTURE DATA
As Compacted After Soaking
Can No A15 A16 A15 A16
Wt. wet sample+ can, gm. 68.66 68.63 68.43 68.58
Wt. dry sample+ can, gm. 59.21 58.96 58.13 58.31
Wt. water, gm. 9.45 9.67 10.30 10.27
CA/Vt. can,gm. 21 54 21.32 21.54 21 32
Wt. dry soil, gm. 37.67 37.64 36.59 36.99
Percent moisture 25.09 25.4 25.69 28.15 28.0 27.76
Wt. mold +wet soil, lb. 17.63 17.87
Wt. wet soil, lb. 8.59 8.83
Wet density of soil, pcf. 115.46 118 32
Dry density of soil, pcf. 92.08 92 47
Percent max. lab density 100.2 100.6
PENETRATION DATA SWELL DATA '
Penetration Load
in lb Dial reading before soaking 0.053 in
0.000 0 Dial reading after soaking 0.067 in
0.025 190 Swell 0.014 in
0 050 280 Percent Swell 0.31
0.075 350 Volume after soaking 0 0746 cu. ft.
0 100 410
0 150 505
0.200 575 CBR= 100(410/3000) = 13 7
0.300 700
0 400 805
0.500 895
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SIEVE ANALYSIS REPORT
South Fork Farms Phase 4
Sycamore Creek Drive
Sta 35+50
Sieve Cumulative % Passing
3/4 100
4 100
10 95.2
40 86.6
200 45.1
ATTERBERG LIMITS
Liquid Limit 37.8
Plastic Limit 33.4
Plasticity Index 4.4
C
Ckngineering
O C h CBR TEST REPORT
1821 Broadway Street
Charlottesville,VA 22902
Phone 434-293-7449
e s t i n g , In C . FAX 434-293-5137 Date. 6/14/07
By• HPP
Project: South Fork Farm Phase 4 Job No 2087
Sample. Locat.• Sycamore Creek Drive Sta 40+50
Description: Red sandy silt
AASHO T-99 X Max. Dry Dens 99.3 pcf., Opt. Moisture 21 5
AASHO T-180
Cylinder No 1 Cylinder Ht. 4.584 in Cylinder Vol 0 0744 cu.ft. Cylinder Wt. 9.31
Hammer Wt. 5.5 lb No. Lifts 3 Blows/lift 50 Surcharge Wt. 10 lb.
DENSITY AND MOISTURE DATA
As Compacted After Soaking
Can No. Al A2 Al A2
Wt. wet sample+can, gm. 68.59 68.78 68.59 68.38
Wt. dry sample +can, gm. 60.38 60.51 59 05 58.79
Wt. water, gm. 8.21 8.27 9.54 9.59
Qt. can, gm. 21.25 21.02 21.25 21.02
t. dry soil, gm. 39 13 39.49 37.80 37.77
Percent moisture 20 98 21.0 20.94 25.24 25.3 25.39
Wt. mold +wet soil, lb. 18.16 18.62
Wt. wet soil, lb. 8.85 9.31
Wet density of soil, pcf. 118.95 124.75
Dry density of soil, pcf. 98 34 99.55
Percent max. lab density 99 0 100.3
PENETRATION DATA SWELL DATA
Penetration Load
in. lb Dial reading before soaking 0.024 in
0.000 0 Dial reading after soaking 0.038 in
0.025 235 Swell 0.014 in
0 050 325 Percent Swell 0 31
0.075 385 Volume after soaking 0 0746 cu ft.
0 100 425
0.150 480
0.200 515 CBR= 100(425/3000)= 14.2
0 300 570
0 400 620
0.500 670
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SIEVE ANALYSIS REPORT
South Fork Farms Phase 4
err Sycamore Creek Drive
Sta 40+50
Sieve Cumulative %Passing
3/4 100
4 100
10 99.8
40 97.7
200 65.2
ATTERBERG LIMITS
Liquid Limit 33.3
Plastic Limit 30.9
Plasticity Index 2.4
C
0 o C h CBR TEST REPORT
1821 Broadway Street
n g i n e e r i n g Charlottesville,VA 22902
Phone 434-293-7449
XI e s t i n g , In C . FAX 434-293-5137 Date: 6/14/07
By• HPP
Project: South Fork Farm Phase 4 Job No • 2087
Sample Locat. Sycamore Creek Drive Sta 45+00
Description. Red clayey silt
AASHO T-99 X Max. Dry Dens. 93.3 pcf., Opt. Moisture 26 0
AASHO T-180
Cylinder No 2 Cylinder Ht. 4.584 in. Cylinder Vol 0.0744 cu.ft. Cylinder Wt. 9.31
Hammer Wt. 5.5 lb No. Lifts 3 Blows/lift 50 Surcharge Wt. 10 lb
DENSITY AND MOISTURE DATA
As Compacted After Soaking
Can No. A3 A4 A3 A4
Wt. wet sample+ can, gm. 68.69 68.53 68.77 68 85
Wt. dry sample+ can, gm. 58.93 59.23 58.51 58.85
Wt water, gm. 9 76 9.30 10.26 10.00
C)Nt.
can, gm. 20.97 20.81 20.97 20.81
Wt. dry soil, gm. 37 96 38.42 37.54 38.04
Percent moisture 25 71 25.0 24.21 27.33 26.8 26.29
Wt. mold +wet soil, lb. 18.20 18.37
Wt. wet soil, lb 8.89 9.06
Wet density of soil, pcf 119.49 121.64
Dry density of soil, pcf 95.62 95 92
Percent max. lab density 102.5 102.8
PENETRATION DATA SWELL DATA
Penetration Load
in lb. Dial reading before soaking 0 007 in
0.000 0 Dial reading after soaking 0.012 in
0 025 440 Swell 0 005 in
0.050 585 Percent Swell 0.11 %
0 075 660 Volume after soaking 0 0745 cu ft.
0.100 710
0 150 800
0.200 885 CBR= 100(710/3000)= 23 7
0 300 1040
0.400 1155
0 500 1255
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SIEVE ANALYSIS REPORT
South Fork Farms Phase 4
Sycamore Creek Drive
Sta 45+00
Sieve Cumulative %Passing
3/4 100
4 100
10 99.8
40 97.9
200 67.4
ATTERBERG LIMITS
Liquid Limit 35.4
Plastic Limit 29.4
Plasticity Index 6.0
C
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C o o C l2 kCBR TEST REPORT
1821 Broadway Street
n g i n e e Y i n g Charlottesville,VA 22902
Phone 434-293-7449
c�Z e s t i n g , I n C. FAX 434 293 5137 Date* 6/14/07
By. HPP
Project: South Fork Farm Phase 4 Job No • 2087
Sample: Locat.. Sycamore Creek Drive Sta 46+25 Cul-de-sac
Description Red clayey silt
AASHO T-99 X Max. Dry Dens. 93.0 pcf., Opt. Moisture 25.9
AASHO T-180
Cylinder No. 3 Cylinder Ht. 4.584 in. Cylinder Vol 0.0744 cu.ft. Cylinder Wt. 9.31
Hammer Wt. 5 5 lb No. Lifts 3 Blows/lift 50 Surcharge Wt. 10 lb.
DENSITY AND MOISTURE DATA
As Compacted After Soaking
Can No A5 A6 A5 A6
Wt. wet sample+ can, gm. 68.43 68.39 68.45 68.55
Wt. dry sample + can, gm. 58.87 58.75 57.85 57.71
Wt. water, gm. 9.56 9.64 10.60 10.84
CNt. can,gm. 21.00 21.14 21 00 21 14
Wt. dry soil, gm. 37.87 37.61 36.85 36.57
Percent moisture 25.24 25.4 25.63 28.77 29.2 29.64
Wt. mold+wet soil, lb. 17.99 18.31
Wt.wet soil, lb. 8.68 9.00
Wet density of soil, pcf. 116.67 120.73
Dry density of soil, pcf. 93 01 93 44
Percent max. lab density 100.0 100 5
PENETRATION DATA SWELL DATA
Penetration Load
in. lb Dial reading before soaking 0.002 in
0.000 0 Dial reading after soaking 0 011 in
0.025 265 Swell 0 009 in
0 050 345 Percent Swell 0.20 °A°
0.075 400 Volume after soaking 0 0745 cu ft.
0.100 440
0 150 505
0.200 570 CBR= 100(440/3000) = 14 7
0.300 650
0 400 720
0.500 765
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SIEVE ANALYSIS REPORT
South Fork Farms Phase 4
Sycamore Creek Drive
Sta 46+25
Sieve Cumulative %Passing
3/4 100
4 100
10 99.8
40 98.2
200 62.4
ATTERBERG LIMITS
�'``'' Liquid Limit 32.5
'err✓
Plastic Limit 30,1
Plasticity Index 2.4
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Ckngineering
o C j2 CBR TEST REPORT
1821 Broadway Street
Charlottesville,VA 22902
Phone 434-293-7449
e s t i n g , Inc. FAX 434-293-5137 Date. 6/14/07
By• HPP
Project: South Fork Farm Phase 4 Job No. 2087
Sample Locat.• Sycamore Creek Circle Sta 12+00
Description Red sandy silt
AASHO T-99 X Max. Dry Dens 97 9 pcf, Opt. Moisture 21 6 %
AASHO T-180
Cylinder No 4 Cylinder Ht. 4 584 in. Cylinder Vol. 0 0744 cu ft. Cylinder Wt. 9.31
Hammer Wt. 5 5 lb No Lifts 3 Blows/lift 50 Surcharge Wt. 10 lb.
DENSITY AND MOISTURE DATA
As Compacted After Soaking
Can No. A7 A8 A7 A8
Wt. wet sample+can, gm. 68 63 68.44 68.66 68.65
Wt. dry sample + can, gm. 60.52 60.36 59.91 59.95
Wt water, gm. 8.11 8 08 8.75 8.70
t. can, gm. 21.55 20.98 21.55 20.98
Wt. dry soil, gm. 38.97 39.38 38.36 38.97
Percent moisture 20.81 20.7 20.52 22.81 22.6 22.32
Wt. mold +wet soil, lb 18 32 18.50
Wt. wet soil, lb. 9.01 9.19
Wet density of soil, pcf. 121.10 123.44
Dry density of soil, pcf. 100.36 100.71
Percent max. lab density 102.5 102.9
PENETRATION DATA SWELL DATA
Penetration Load
in. lb. Dial reading before soaking 0 025 in
0.000 0 Dial reading after soaking 0.028 in
0.025 285 Swell 0.003 in
0 050 375 Percent Swell _ 0.07
0.075 415 Volume after soaking 0 0744 cu ft.
0.100 445
0 150 530
0.200 600 CBR= 100(445/3000) = 14 8
0.300 730
0.400 845
0.500 945
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EJA/SH I AIISIMIaU AI2IQ
SIEVE ANALYSIS REPORT
South Fork Farms Phase 4
Sycamore Creek Circle
Sta 12+00
Sieve Cumulative %Passing
3/4 100
4 100
10 98.6
40 95.6
200 63.8
ATTERBERG LIMITS
Liquid Limit 25.9
Plastic Limit 20.9
Plasticity Index 5.0
C
o o c h CBR TEST REPORT
1821 Broadway Street
n g in e e r in g Charlottesville,VA 22902
Phone 434-293-7449
XJ e s tin g , In C. FAX 434-293-5137 Date' 6/14/07
By HPP
Project: South Fork Farm Phase 4 Job No 2087
Sample. Locat.: Sycamore Creek Circle Sta 16+31 Cul-de-sac
Description: Red sandy silt
AASHO T-99 X Max. Dry Dens. 98.4 pcf., Opt. Moisture 21 3
AASHO T-180
Cylinder No. 5 Cylinder Ht. 4.584 in Cylinder Vol. 0.0744 cu.ft. Cylinder Wt. _ 9.32
Hammer Wt. 5 5 lb No. Lifts 3 Blows/lift 50 Surcharge Wt. 10 lb.
DENSITY AND MOISTURE DATA
As Compacted After Soaking
Can No. A9 A10
68.56
60.32
8.24
20.85
39.47
A9 A10
Wt.wet sample+ can, gm 68 57 68.67 68.81
Wt. dry sample+ can, gm. 60.24 59.96 59.95
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Wt.water, gm. 8 33 8.71 8.86
Wt. can, gm. 21.24 21.24 20.85
Wt. dry soil, gm. 39.00 38.72
22.49 22.6
18 43
9.11
122.10
39.10
Percent moisture 21.36 21.1 20.88 22.66
Wt. mold +wet soil, lb. 18.04
Wt.wet soil, lb. 8.72
Wet density of soil, pcf. 117.20
Dry density of soil, pcf. 96.77 99.61
Percent max. lab density 98.3 101 2
PENETRATION DATA SWELL DATA
Penetration Load
in. lb Dial reading before soaking 0.063 in
0.000 0 Dial reading after soaking 0.076 in
0.025 260 Swell 0.013 in
0.050 320 Percent Swell 0.28 %
0.075 345 Volume after soaking 0 0746 cu. ft.
0 100 365
0.150 410
0.200 455 CBR= 100(365/3000)= 12.2
0 300 545
0.400 630
0.500 715
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SIEVE ANALYSIS REPORT
South Fork Farms Phase 4
Sycamore Creek Circle
Sta 16+31
Sieve Cumulative % Passing
3/4 100
4 98.6
10 98.0
40 94.3
200 60.1
ATTERBERG LIMITS
Liquid Limit 30.0
Plastic Limit 23.0
Plasticity Index 7.0
C