Cbr 2.xls
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Proyek Lokasi Tanggal Percobaan Nama Kelompok
: : : : :
Praktikum Laboratorium Mekanika Tanah Laboratorium Mekanika Tanah Jurusan Teknik Sipil FT Unhas
17 - 18 Maret 2006 #REF! #REF!
PEMERIKSAAN CBR LABORATORIUM (25x Tumbukan)
Kadar Air No. Container Berat tanah basah + Container Berat tanah kering + Container Berat air Berat container Berat tanah kering Kadar air,w Kadar air rata-rata
gram gram gram gram gram % %
testpit 4 74.19 60.67 57.33 47.41 16.86 13.26 7.45 7.45 49.88 39.96 33.80 33.18 33.49
Berat Isi A. Berat Cetakan
gram
2551
B. Berat Tanah Basah + Cetakan
gram
6701
C. Berat Tanah Basah
gram
4150
D. Volume Cetakan
cm
2121.987
3
E. Berat Isi Basah, gwet=Wwet/Vmould) gram/cm
3
1.956
F. Berat Isi Kering,gdry=gdry/(1+w)
3
1.465
gram/cm Penetrasi
Proving ring Calibration 28 KN cap, lbs/Dev = 5,7 Waktu Penurunan Pembacaan Dial Beban (menit (inch) PER(Div) (lbs) ) 0.25 0.013 4 22.8 0.5 0.025 8 45.6 1 0.050 14 79.8 1.5 0.075 15 85.5 2 0.100 25 142.5 3 0.150 35 199.5 4 0.200 47 267.9 6 0.300 65 370.5 8 0.400 72 410.4 10 0.500 81 461.7 12 0.600 87 495.9
Beban (lbs)
600
500
400
f(x) = 133.1495 ln(x) + 510.1267
300
200
100
0 0.000
0.100
0.200
0.300
0.400
0.500
Penurunan (inchi)
Grafik Hubungan Penurunan - Beban
Perhitungan CBR
Penurunan,x (inchi) 0.1 0.2 Nilai CBR rata-rata :
Beban, y = 133.14951 Ln (x) + 510.1267 (lbs) 195.774 281.866 6.39
%
Catatan ; Untuk penurunan 1 inchi , CBR = Beban / (3x1000) Untuk penurunan 2 inchi , CBR = Beban / (3x1500)
CBR (%) 6.53 6.26
0.600
0.700
Proyek Lokasi Tanggal Percobaan Nama Kelompok
: : : : :
Praktikum Laboratorium Mekanika Tanah Laboratorium Mekanika Tanah Jurusan Teknik Sipil FT Unhas
17 - 18 Maret 2006 #REF! #REF!
PEMERIKSAAN CBR LABORATORIUM (25x Tumbukan)
Kadar Air No. Container Berat tanah basah + Container Berat tanah kering + Container Berat air Berat container Berat tanah kering Kadar air,w Kadar air rata-rata
gram gram gram gram gram % %
testpit 5 82.71 87.04 64.62 68.14 18.09 18.90 7.45 7.45 57.17 60.69 31.64 31.14 31.39
Berat Isi A. Berat Cetakan
gram
2551
B. Berat Tanah Basah + Cetakan
gram
7075
C. Berat Tanah Basah
gram
4524
D. Volume Cetakan
cm
2121.987
3
E. Berat Isi Basah, gwet=Wwet/Vmould) gram/cm
3
2.132
F. Berat Isi Kering,gdry=gdry/(1+w)
3
1.623
gram/cm Penetrasi
Proving ring Calibration 28 KN cap, lbs/Dev = 5,7 Waktu Penurunan Pembacaan Dial Beban (menit (inch) PER(Div) (lbs) ) 0.25 0.013 4 22.8 0.5 0.025 10 57 1 0.050 15 85.5 1.5 0.075 17.9 102.03 2 0.100 35 199.5 3 0.150 41 233.7 4 0.200 51 290.7 6 0.300 57 324.9 8 0.400 71 404.7 10 0.500 88 501.6
Beban (lbs)
600
500
400
f(x) = 126.0856 ln(x) + 502.6604
300
200
100
0 0.000
0.100
0.200
0.300
Penurunan (inchi)
Hubungan Penurunan - Beban
Perhitungan CBR
Penurunan,x (inchi) 0.1 0.2 Nilai CBR rata-rata :
Beban, y = 126.0856 Ln (x) + 502.6604 (lbs) 196.151 269.920 6.27
%
Catatan ; Untuk penurunan 1 inchi , CBR = Beban / (3x1000) Untuk penurunan 2 inchi , CBR = Beban / (3x1500)
CBR (%) 6.54 6.00
0.400
0.500
Proyek Lokasi Tanggal Percobaan Nama Kelompok
: : : : :
Praktikum Laboratorium Mekanika Tanah Laboratorium Mekanika Tanah Jurusan Teknik Sipil FT Unhas
17 - 18 Maret 2006 #REF! #REF!
PEMERIKSAAN CBR LABORATORIUM (25x Tumbukan)
Kadar Air No. Container Berat tanah basah + Container Berat tanah kering + Container Berat air Berat container Berat tanah kering Kadar air,w Kadar air rata-rata
gram gram gram gram gram % %
Berat Isi A. Berat Cetakan
gram
2551
B. Berat Tanah Basah + Cetakan
gram
5932.5
C. Berat Tanah Basah
gram
3381.5
D. Volume Cetakan
cm
testpit 01 poraha 82.71 87.04 65.14 70.84 17.57 16.20 7.45 7.45 57.69 63.39 30.46 25.56 28.01
2121.987
3
E. Berat Isi Basah, gwet=Wwet/Vmould) gram/cm
3
1.594
F. Berat Isi Kering,gdry=gdry/(1+w)
3
1.245
gram/cm Penetrasi
Proving ring Calibration 28 KN cap, lbs/Dev = 5,7 Waktu Penurunan Pembacaan Dial Beban (menit (inch) PER(Div) (lbs) ) 0.25 0.013 2 11.4 0.5 0.025 7 39.9 1 0.050 10 57 1.5 0.075 17 96.9 2 0.100 24 136.8 3 0.150 31 176.7 4 0.200 47 267.9 6 0.300 68 387.6 8 0.400 79 450.3 0.500 10 92 524.4
Beban (lbs)
600 500 400
f(x) = 141.8272 ln(x) + 530.3171
300 200 100 0 0.000
0.100
0.200
0.300
0.400
0.500
Penurunan (inchi)
Grafik Hubungan Penurunan - Beban
Perhitungan CBR
Penurunan,x (inchi) 0.1 0.2 Nilai CBR rata-rata :
Beban, y = 141.8272 Ln(x) + 530.3171 (lbs) 203.748 302.055 6.75
%
Catatan ; Untuk penurunan 1 inchi , CBR = Beban / (3x1000) Untuk penurunan 2 inchi , CBR = Beban / (3x1500)
CBR (%) 6.79 6.71
0.600
0.700
CBR 60 x
x
y
ln (x)
x2
xy
0.013 0.025 0.05 0.075 0.1 0.15 0.2 0.3 0.6 1.513
22.8 45.6 79.8 85.5 142.5 199.5 267.9 370.5 495.9 1710
-4.343 -3.689 -2.996 -2.590 -2.303 -1.897 -1.609 -1.204 -0.511 -21.142
18.8600 13.6078 8.9744 6.7095 5.3019 3.5991 2.5903 1.4496 0.2609 61.3534
-99.01598 -168.2129 -239.0594 -221.4678 -328.1184 -378.4754 -431.1684 -446.0719 -253.3184 -2564.909
b =
n . n .
( Σ xy ) ( Σ x2 ) -
Σx.Σy ( Σ x )2
b =
9 9
b =
13068.0022 105.2126
=
124.2057
No. 1 2 3 4 5 6 7 8 9 jum
b
a =
-2564.909 -36152.180858 61.3534 446.9684
y' - b x'
y' =
Σy /n
=
190.000
x' =
Σx /n
=
-2.349
-
-291.768
a = a = y
= =
190.000 481.768
b ln (x) + a 124.2057 ln ( x ) +
481.768
CBR 25 x No. 1 2 3 4 5 6 7 8 9 jum
x
y
ln (x)
x2
xy
0.013 0.025 0.05 0.075 0.1 0.15 0.2 0.3 0.6 1.513
22.8 57 85.5 102.03 199.5 233.7 290.7 324.9 404.7 1720.83
-4.343 -3.689 -2.996 -2.590 -2.303 -1.897 -1.609 -1.204 -0.511 -21.142
18.8600 13.6078 8.9744 6.7095 5.3019 3.5991 2.5903 1.4496 0.2609 61.3534
-99.01598 -210.2661 -256.1351 -264.285 -459.3657 -443.3569 -467.8636 -391.1708 -206.7311 -2798.19
b =
n . n .
b =
9 9
( Σ xy ) - Σ x . Σ y ( Σ x2 ) - ( Σ x )2 -2798.19 -36381.14 61.3534 446.9684
b =
11197.4316654776 105.2125715587
=
106.426746344
b
a =
y' - b x'
y' =
Σy /n
=
191.203
x' =
Σx /n
=
-2.349
-
-250.004
a = a = y
= =
191.203 441.207
b ln (x) + a 106.4267 ln ( x ) + 441.207
CBR 10 x No. 1 2 3 4 5 6 7 8 9 10 jum
x
y
ln (x)
x2
xy
0.013 0.025 0.05 0.075 0.1 0.15 0.2 0.3 0.4 0.5 1.813
11.4 39.9 57 96.9 136.8 176.7 267.9 387.6 450.3 524.4 2148.9
-4.343 -3.689 -2.996 -2.590 -2.303 -1.897 -1.609 -1.204 -0.916 -0.693 -22.240
18.8600 13.6078 8.9744 6.7095 5.3019 3.5991 2.5903 1.4496 0.8396 0.4805 62.4125
-49.50799 -147.1863 -170.7567 -250.9969 -314.9936 -335.2211 -431.1684 -466.6599 -412.6057 -363.4864 -2942.583
b =
n . n .
( Σ xy ) - Σ x . Σ y ( Σ x2 ) - ( Σ x )2
b =
10 10
-2942.583 -47792 62.4125 494.6282
b = b
=
a =
18366.2183448385 129.4971476624 141.8272037368 y' - b x'
y' =
Σy /n
=
214.890
x' =
Σx /n
=
-2.224
-
-315.427
a = a = y
214.890 530.317
= b ln (x) + a = 141.8272 ln ( x ) + 530.317
: : : : :
Praktikum Laboratorium Mekanika Tanah Laboratorium Mekanika Tanah Jurusan Teknik Sipil FT Unhas
17 - 18 Maret 2006 #REF! #REF!
PEMERIKSAAN CBR LABORATORIUM (25x Tumbukan)
Kadar Air No. Container Berat tanah basah + Container Berat tanah kering + Container Berat air Berat container Berat tanah kering Kadar air,w Kadar air rata-rata
gram gram gram gram gram % %
testpit 4 74.19 60.67 57.33 47.41 16.86 13.26 7.45 7.45 49.88 39.96 33.80 33.18 33.49
Berat Isi A. Berat Cetakan
gram
2551
B. Berat Tanah Basah + Cetakan
gram
6701
C. Berat Tanah Basah
gram
4150
D. Volume Cetakan
cm
2121.987
3
E. Berat Isi Basah, gwet=Wwet/Vmould) gram/cm
3
1.956
F. Berat Isi Kering,gdry=gdry/(1+w)
3
1.465
gram/cm Penetrasi
Proving ring Calibration 28 KN cap, lbs/Dev = 5,7 Waktu Penurunan Pembacaan Dial Beban (menit (inch) PER(Div) (lbs) ) 0.25 0.013 4 22.8 0.5 0.025 8 45.6 1 0.050 14 79.8 1.5 0.075 15 85.5 2 0.100 25 142.5 3 0.150 35 199.5 4 0.200 47 267.9 6 0.300 65 370.5 8 0.400 72 410.4 10 0.500 81 461.7 12 0.600 87 495.9
Beban (lbs)
600
500
400
f(x) = 133.1495 ln(x) + 510.1267
300
200
100
0 0.000
0.100
0.200
0.300
0.400
0.500
Penurunan (inchi)
Grafik Hubungan Penurunan - Beban
Perhitungan CBR
Penurunan,x (inchi) 0.1 0.2 Nilai CBR rata-rata :
Beban, y = 133.14951 Ln (x) + 510.1267 (lbs) 195.774 281.866 6.39
%
Catatan ; Untuk penurunan 1 inchi , CBR = Beban / (3x1000) Untuk penurunan 2 inchi , CBR = Beban / (3x1500)
CBR (%) 6.53 6.26
0.600
0.700
Proyek Lokasi Tanggal Percobaan Nama Kelompok
: : : : :
Praktikum Laboratorium Mekanika Tanah Laboratorium Mekanika Tanah Jurusan Teknik Sipil FT Unhas
17 - 18 Maret 2006 #REF! #REF!
PEMERIKSAAN CBR LABORATORIUM (25x Tumbukan)
Kadar Air No. Container Berat tanah basah + Container Berat tanah kering + Container Berat air Berat container Berat tanah kering Kadar air,w Kadar air rata-rata
gram gram gram gram gram % %
testpit 5 82.71 87.04 64.62 68.14 18.09 18.90 7.45 7.45 57.17 60.69 31.64 31.14 31.39
Berat Isi A. Berat Cetakan
gram
2551
B. Berat Tanah Basah + Cetakan
gram
7075
C. Berat Tanah Basah
gram
4524
D. Volume Cetakan
cm
2121.987
3
E. Berat Isi Basah, gwet=Wwet/Vmould) gram/cm
3
2.132
F. Berat Isi Kering,gdry=gdry/(1+w)
3
1.623
gram/cm Penetrasi
Proving ring Calibration 28 KN cap, lbs/Dev = 5,7 Waktu Penurunan Pembacaan Dial Beban (menit (inch) PER(Div) (lbs) ) 0.25 0.013 4 22.8 0.5 0.025 10 57 1 0.050 15 85.5 1.5 0.075 17.9 102.03 2 0.100 35 199.5 3 0.150 41 233.7 4 0.200 51 290.7 6 0.300 57 324.9 8 0.400 71 404.7 10 0.500 88 501.6
Beban (lbs)
600
500
400
f(x) = 126.0856 ln(x) + 502.6604
300
200
100
0 0.000
0.100
0.200
0.300
Penurunan (inchi)
Hubungan Penurunan - Beban
Perhitungan CBR
Penurunan,x (inchi) 0.1 0.2 Nilai CBR rata-rata :
Beban, y = 126.0856 Ln (x) + 502.6604 (lbs) 196.151 269.920 6.27
%
Catatan ; Untuk penurunan 1 inchi , CBR = Beban / (3x1000) Untuk penurunan 2 inchi , CBR = Beban / (3x1500)
CBR (%) 6.54 6.00
0.400
0.500
Proyek Lokasi Tanggal Percobaan Nama Kelompok
: : : : :
Praktikum Laboratorium Mekanika Tanah Laboratorium Mekanika Tanah Jurusan Teknik Sipil FT Unhas
17 - 18 Maret 2006 #REF! #REF!
PEMERIKSAAN CBR LABORATORIUM (25x Tumbukan)
Kadar Air No. Container Berat tanah basah + Container Berat tanah kering + Container Berat air Berat container Berat tanah kering Kadar air,w Kadar air rata-rata
gram gram gram gram gram % %
Berat Isi A. Berat Cetakan
gram
2551
B. Berat Tanah Basah + Cetakan
gram
5932.5
C. Berat Tanah Basah
gram
3381.5
D. Volume Cetakan
cm
testpit 01 poraha 82.71 87.04 65.14 70.84 17.57 16.20 7.45 7.45 57.69 63.39 30.46 25.56 28.01
2121.987
3
E. Berat Isi Basah, gwet=Wwet/Vmould) gram/cm
3
1.594
F. Berat Isi Kering,gdry=gdry/(1+w)
3
1.245
gram/cm Penetrasi
Proving ring Calibration 28 KN cap, lbs/Dev = 5,7 Waktu Penurunan Pembacaan Dial Beban (menit (inch) PER(Div) (lbs) ) 0.25 0.013 2 11.4 0.5 0.025 7 39.9 1 0.050 10 57 1.5 0.075 17 96.9 2 0.100 24 136.8 3 0.150 31 176.7 4 0.200 47 267.9 6 0.300 68 387.6 8 0.400 79 450.3 0.500 10 92 524.4
Beban (lbs)
600 500 400
f(x) = 141.8272 ln(x) + 530.3171
300 200 100 0 0.000
0.100
0.200
0.300
0.400
0.500
Penurunan (inchi)
Grafik Hubungan Penurunan - Beban
Perhitungan CBR
Penurunan,x (inchi) 0.1 0.2 Nilai CBR rata-rata :
Beban, y = 141.8272 Ln(x) + 530.3171 (lbs) 203.748 302.055 6.75
%
Catatan ; Untuk penurunan 1 inchi , CBR = Beban / (3x1000) Untuk penurunan 2 inchi , CBR = Beban / (3x1500)
CBR (%) 6.79 6.71
0.600
0.700
CBR 60 x
x
y
ln (x)
x2
xy
0.013 0.025 0.05 0.075 0.1 0.15 0.2 0.3 0.6 1.513
22.8 45.6 79.8 85.5 142.5 199.5 267.9 370.5 495.9 1710
-4.343 -3.689 -2.996 -2.590 -2.303 -1.897 -1.609 -1.204 -0.511 -21.142
18.8600 13.6078 8.9744 6.7095 5.3019 3.5991 2.5903 1.4496 0.2609 61.3534
-99.01598 -168.2129 -239.0594 -221.4678 -328.1184 -378.4754 -431.1684 -446.0719 -253.3184 -2564.909
b =
n . n .
( Σ xy ) ( Σ x2 ) -
Σx.Σy ( Σ x )2
b =
9 9
b =
13068.0022 105.2126
=
124.2057
No. 1 2 3 4 5 6 7 8 9 jum
b
a =
-2564.909 -36152.180858 61.3534 446.9684
y' - b x'
y' =
Σy /n
=
190.000
x' =
Σx /n
=
-2.349
-
-291.768
a = a = y
= =
190.000 481.768
b ln (x) + a 124.2057 ln ( x ) +
481.768
CBR 25 x No. 1 2 3 4 5 6 7 8 9 jum
x
y
ln (x)
x2
xy
0.013 0.025 0.05 0.075 0.1 0.15 0.2 0.3 0.6 1.513
22.8 57 85.5 102.03 199.5 233.7 290.7 324.9 404.7 1720.83
-4.343 -3.689 -2.996 -2.590 -2.303 -1.897 -1.609 -1.204 -0.511 -21.142
18.8600 13.6078 8.9744 6.7095 5.3019 3.5991 2.5903 1.4496 0.2609 61.3534
-99.01598 -210.2661 -256.1351 -264.285 -459.3657 -443.3569 -467.8636 -391.1708 -206.7311 -2798.19
b =
n . n .
b =
9 9
( Σ xy ) - Σ x . Σ y ( Σ x2 ) - ( Σ x )2 -2798.19 -36381.14 61.3534 446.9684
b =
11197.4316654776 105.2125715587
=
106.426746344
b
a =
y' - b x'
y' =
Σy /n
=
191.203
x' =
Σx /n
=
-2.349
-
-250.004
a = a = y
= =
191.203 441.207
b ln (x) + a 106.4267 ln ( x ) + 441.207
CBR 10 x No. 1 2 3 4 5 6 7 8 9 10 jum
x
y
ln (x)
x2
xy
0.013 0.025 0.05 0.075 0.1 0.15 0.2 0.3 0.4 0.5 1.813
11.4 39.9 57 96.9 136.8 176.7 267.9 387.6 450.3 524.4 2148.9
-4.343 -3.689 -2.996 -2.590 -2.303 -1.897 -1.609 -1.204 -0.916 -0.693 -22.240
18.8600 13.6078 8.9744 6.7095 5.3019 3.5991 2.5903 1.4496 0.8396 0.4805 62.4125
-49.50799 -147.1863 -170.7567 -250.9969 -314.9936 -335.2211 -431.1684 -466.6599 -412.6057 -363.4864 -2942.583
b =
n . n .
( Σ xy ) - Σ x . Σ y ( Σ x2 ) - ( Σ x )2
b =
10 10
-2942.583 -47792 62.4125 494.6282
b = b
=
a =
18366.2183448385 129.4971476624 141.8272037368 y' - b x'
y' =
Σy /n
=
214.890
x' =
Σx /n
=
-2.224
-
-315.427
a = a = y
214.890 530.317
= b ln (x) + a = 141.8272 ln ( x ) + 530.317
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