Kalibrasi Erlenmeyer · Ilustrasi Uji Berat Jenis Tanah Nama Instalasi : Universitas Kristen...

Kalibrasi Erlenmeyer

Nama Instalasi : Universitas Kristen Maranatha Kedalaman Tanah : Nama Proyek : Praktikum Tugas Akhir Nama Operator : Jemmy Lokasi Proyek : Nama Engineer : Deskripsi Tanah : Pasir Tanggal : 24/07/06

No Temperatur (°C)

Berat Erlenmeyer + Air, Wbw (gr)

1 60 688,8

2 55 691,3

3 50 692,4

4 45 693,4

5 40 694,2

6 35 695,1

Grafik Kalibrasi Erlenmeyer

688

689

690

691

692

693

694

695

696

30 35 40 45 50 55 60 65

Temperatur (°C)

Ber

at E

rlen

mey

er +

Air

(gr)

Berat Jenis Tanah


No. Uji 1 2 3 4 5 6

Berat Erlenmeyer + larutan tanah,

Wbws (gr) 753,8 755,8 756,2 757,2 758,2 759

Temperatur (°C) 60 55 50 45 40 35

Faktor koreksi berat jenis air, Gt 0,9832 0,9857 0,9881 0,9902 0,9922 0,9941

Berat Erlenmeyer + air, Wbw (gr) 688,8 691,3 692,4 693,4 694,2 695,1

Berat dish, Wd (gr) 97,4 97,4 97,4 97,4 97,4 97,4

Berat dish + tanah kering, Wds (gr) 196,4 196,4 196,4 196,4 196,4 196,4

Berat tanah kering, Ws (gr) 99 99 99 99 99 99

Berat air, Ww = Ws + Wbw – Wbws (gr) 34 34,5 35,2 35,2 35 35,1

w

sts W

WGG ×= 2,863 2,828 2,779 2,785 2,807 2,804

Gs rata-rata 2,811

Ilustrasi Uji Berat Jenis Tanah


Gambar 1 . Foto Alat uji Berat Jenis Tanah

Gambar 2 . Foto Pengujian Berat Jenis Tanah

Berat Isi Tanah


No. Mold 1

Tinggi mold, t (cm) 11,65

Diameter mold, d (cm) 10,1

Volume mold, V (cm3) 933,38

Berat mold, W1 (gr) 4068,7

Berat tanah kering + mold, W2 (gr) 5585,7

Berat tanah kering, Ws = W2 – W1 (gr) 1517

Berat isi tanah Maks, )/( 3cmgrVWs

maks =γ 1,6253

No. Mold 2

Tinggi mold, t (cm) 11,65

Diameter mold, d (cm) 10,1

Volume mold, V (cm3) 933.38

Berat mold, W1 (gr) 4068,7

Berat tanah kering + mold, W2 (gr) 5401,5

Berat tanah kering, Ws = W2 – W1 (gr) 1332,8

Berat isi tanah Min, )/( 3min cmgr

VWs=γ 1,4279

Ilustrasi Uji Berat Isi Tanah


Gambar 3 . Foto Alat Uji Berat Isi Tanah

Uji Saringan


No. Saringan

Diameter Saringan

(mm)

Berat Saringan

(gr)

Berat Tanah + Saringan

(gr)

Berat Tertahan

(gr)

% Tertahan % Lolos

4 4.750 511.1 528.1 17.0 2.835 97.165 10 2.000 436.7 542.5 105.8 17.642 79.523 20 0.850 387.1 554.1 167.0 27.847 51.676 40 0.425 284.1 377.9 93.8 15.641 36.035 100 0.150 280.0 405.7 125.7 20.960 15.074 200 0.075 266.9 327.8 60.9 10.155 4.919 Pan 356.4 385.9 29.5 4.919 0

Jumlah 599.7 100

Uji Saringan


KURVA DISTRIBUSI UKURAN BUTIR

0102030405060708090

100110

0.0100.1001.00010.000

Diameter, D (mm)

% L

olos

(%)

D10 0.12

D60 1.2

D30 0.33

10

60

dd

Cu = 10

( )1060

230

.ddd

Cc = 0.75325

Ilustrasi Uji Saringan


Gambar 4 . Foto Uji Saringan

UJI GESER LANGSUNG (DIRECT SHEAR TEST)

Nama Instalasi : Universitas Kristen Maranatha Kedalaman Tanah : Nama Proyek : Praktikum Tugas Akhir Nama Operator : Jemmy Lokasi Proyek : Nama Engineer : Deskripsi Tanah : Pasir Tanggal : 24/07/06 PENGUKURAN AWAL Soil sample Pasir Lolos #20 Berat = 100 gr SHEAR BOX Diameter, d = 6.33 cm Luas = 31.47 cm2 Tinggi, H = 0.98 cm Volume = 61.6812 cm3 Tebal = Berat = Data Hasil Uji Direct Shear NORMAL STRESS : 0,1 kg/cm2 RING CONSTANT : 0,13 kg/div

Horz. Strain Prov. Ring Dial Shear Force Shear Stress Dial (div) (%) (div) (kg) kg/cm2

10 0.1580 11 1.43 0.0454 20 0.3160 13.5 1.755 0.0549 30 0.4739 15.5 2.015 0.0631 40 0.6319 17 2.21 0.0692 50 0.7899 18 2.34 0.0732 60 0.9479 18.5 2.405 0.0753 70 1.1058 19 2.47 0.0773 80 1.2638 20 2.6 0.0814 90 1.4218 20 2.6 0.0814

100 1.5798 20.5 2.665 0.0834 110 1.7378 21 2.73 0.0854 120 1.8957 21 2.73 0.0854 130 2.0537 21.5 2.795 0.0875 140 2.2117 22 2.86 0.0895 150 2.3697 23 2.99 0.0936 160 2.5276 23 2.99 0.0936 170 2.6856 22.5 2.925 0.0915 180 2.8436 22.5 2.925 0.0915 190 3.0016 22.5 2.925 0.0915 200 3.1596 21.5 2.795 0.0875 210 3.3175 21 2.73 0.0854 220 3.4755 20.5 2.665 0.0834 230 3.6335 20 2.6 0.0814 240 3.7915 20 2.6 0.0814 250 3.9494 20 2.6 0.0814 260 4.1074 19.5 2.535 0.0793

NORMAL STRESS : 0,2 kg/cm2 RING CONSTANT : 0,13 kg/div Horz. Strain Prov. Ring Dial Shear Force Shear Stress

Dial (div) (%) (div) (kg) kg/cm2 10 0.1580 17 2.21 0.0702 20 0.3160 22 2.86 0.0909 30 0.4739 27 3.51 0.1115 40 0.6319 31 4.03 0.1281 50 0.7899 34 4.42 0.1405 60 0.9479 37 4.81 0.1528 70 1.1058 39 5.07 0.1611 80 1.2638 42 5.46 0.1735 90 1.4218 43 5.59 0.1776

100 1.5798 44 5.72 0.1818 110 1.7378 45 5.85 0.1859 120 1.8957 45 5.85 0.1859 130 2.0537 46 5.98 0.1900 140 2.2117 46 5.98 0.1900 150 2.3697 46 5.98 0.1900 160 2.5276 45.5 5.915 0.1880 170 2.6856 45 5.85 0.1859 180 2.8436 45 5.85 0.1859 190 3.0016 45 5.85 0.1859 200 3.1596 45 5.85 0.1859 210 3.3175 45 5.85 0.1859 220 3.4755 44 5.72 0.1818 230 3.6335 44 5.72 0.1818 240 3.7915 43 5.59 0.1776 250 3.9494 43 5.59 0.1776 260 4.1074 42 5.46 0.1735

NORMAL STRESS : 0,4 kg/cm2 RING CONSTANT : 0,13 kg/div Horz. Strain Prov. Ring Dial Shear Force Shear Stress

Dial (div) (%) (div) (kg) kg/cm2 10 0.1580 34 4.42 0.1405 20 0.3160 43 5.59 0.1776 30 0.4739 50 6.5 0.2065 40 0.6319 59.5 7.735 0.2458 50 0.7899 65.5 8.515 0.2706 60 0.9479 70 9.1 0.2892 70 1.1058 73.5 9.555 0.3036 80 1.2638 78 10.14 0.3222 90 1.4218 78.5 10.205 0.3243

100 1.5798 79 10.27 0.3263 110 1.7378 80 10.4 0.3305 120 1.8957 79.5 10.335 0.3284 130 2.0537 78.5 10.205 0.3243 140 2.2117 77 10.01 0.3181 150 2.3697 77 10.01 0.3181 160 2.5276 77 10.01 0.3181 170 2.6856 77 10.01 0.3181 180 2.8436 77 10.01 0.3181 190 3.0016 77 10.01 0.3181 200 3.1596 75 9.75 0.3098 210 3.3175 75 9.75 0.3098 220 3.4755 73.5 9.555 0.3036 230 3.6335 72.5 9.425 0.2995 240 3.7915 72.5 9.425 0.2995

UJI GESER LANGSUNG (DIRECT SHEAR TEST)


Grafik Strain vs Shear Stress

0.00

0.10

0.20

0.30

0.40

0 1 2 3 4 5

Strain (% )

She

ar S

tress

(kg/

cm²)

Normal stress 0,1 kg/cm²



Grafik Tegangan Geser vs Tegangan Normal

Φ= 30°

0

0.05

0.1

0.15

0.2

0.25

0.3

0.35

0.4

0 0.1 0.2 0.3 0.4 0.5

Tegangan Normal (kg/cm²)

Teg

anga

n G

eser

(kg/

cm²)

Ilustrasi Uji GeserLangsung

(Direct Sherar Test)


Gambar 5. Foto Alat-alat Uji Geser Langsung

Gambar 6 . Foto Alat Direct Shear

Perhitungan Kepadatan Relatif Rencana (Dr)

Berat isi tanah Maks, γmaks

WsV

:=

γmaks 1.625= gram/cm3 Berat isi tanah Min, γmin

WsV

:=

γmin 1.428= gram/cm3 Mencari γdry Dr 0.23:= (losse 15-35%)

γd1− γmaks⋅ γmin⋅

Dr γmaks⋅ Dr γmin⋅−( ) γmaks−⎡⎣ ⎤⎦:=

γd 1.469= gr/cm3 Berat pasir yang digunakan Volume pasir pada bak, V 100 100⋅ 40⋅:= V 400000= cm3 Berat pasir, Bb γd V⋅:=

Bb 587581.02= gram atau Bb1000

587.581= kg (untuk tinggi 40 cm)

untuk tiap 10 cm Bb1000 4⋅

146.895= kg

Jadi tiap tinggi 10 cm dibutuhkan 146.895 kg pasir

UJI PEMBEBANAN PONDASI DANGKAL

Soil Sample : Pasir Beton Lolos no.4 Form No : 1 Location : Lab Mekanika Tanah UKM Test type : Tanpa Geoteks Depth : - Date : 31/08/06 Sample no. : 1 Test by : Jemmy

Penurunan Penurunan Beban (kg) (div) 0.01 mm

0 0.00 0.00 10 19.50 0.20 20 41.00 0.41 40 126.00 1.26 80 265.00 2.65 82 279.00 2.79 85 345.00 3.45

87.1 510.00 5.10 88.5 620.00 6.20 88.5 625.00 6.25 88.5 676.00 6.76 88.5 712.00 7.12 88.5 740.00 7.40 88.5 795.00 7.95 88.5 807.00 8.07 88.5 830.00 8.30 88.5 877.00 8.77 88.5 913.00 9.13 88.5 980.00 9.80 88.5 1006.00 10.06

GRAFIK HUBUNGAN ANTARA BEBAN vs PENURUNAN

0.00

2.00

4.00

6.00

8.00

10.00

12.00

0 20 40 60 80 100

Beban (kg)

Pen

uru

nan

(m

m)

88,5


Soil Sample : Pasir Beton Lolos no.4 Form No : Location : Lab Mekanika Tanah UKM Test type : Tanpa Geoteks Depth : - Date : 01/09/06 Sample no. : 1 Test by : Jemmy


0 0.00 0.00 10 23.00 0.23 20 56.00 0.56 40 123.00 1.23 80 272.00 2.72 83 305.00 3.05 85 375.00 3.75

87.1 490.00 4.90 88.5 625.00 6.25 90 715.00 7.15 90 725.00 7.25 90 745.00 7.45 90 775.00 7.75 90 805.00 8.05 90 819.00 8.19 90 845.00 8.45 90 889.00 8.89 90 915.00 9.15 90 997.00 9.97 90 1009.00 10.09


0.00

2.00

4.00

6.00

8.00

10.00

12.00

0 20 40 60 80 100

beban (kg)

Pen

uru

nan

(m

m)

90


Soil Sample : Pasir Beton Lolos no.4 Form No : Location : Lab Mekanika Tanah UKM Test type : Tanpa Geoteks Depth : - Date : 01/09/06 Sample no. : 1 Test by : Jemmy


0 0.00 0.00 10 21.25 0.21 20 48.50 0.49 40 124.50 1.25 80 267.00 2.67 83 292.00 2.92 85 360.00 3.60

87.1 500.00 5.00 88.5 628.00 6.28

89.25 715.00 7.15 89.25 727.00 7.27 89.25 744.00 7.44 89.25 771.00 7.71 89.25 802.00 8.02 89.25 809.00 8.09 89.25 838.00 8.38 89.25 874.00 8.74 89.25 923.00 9.23 89.25 986.00 9.86 89.25 1007.00 10.07


0.00

2.00

4.00

6.00

8.00

10.00

12.00

0 20 40 60 80 100

beban (kg)

Pen

uru

nan

(m

m)

89.25


Soil Sample : Pasir Beton Lolos no.4 Form No : Location : Lab Mekanika Tanah UKM Test type : dng Geoteks 2B : pada kedlman 0,3B Depth : - Date : 25/09/06 Sample no. : 2 Test by : Jemmy


0 0.00 0.00 10 22.00 0.22 20 54.00 0.54 40 132.00 1.32 80 302.00 3.02 120 468.00 4.68 140 540.00 5.40 160 645.00 6.45 180 770.00 7.70 190 874.00 8.74 195 1005.00 10.05 197 1100.00 11.00 197 1120.00 11.20 197 1145.00 11.45 197 1157.00 11.57 197 1165.00 11.65 197 1185.00 11.85 197 1192.00 11.92 197 1207.00 12.07 197 1215.00 12.15


0.00

2.00

4.00

6.00

8.00

10.00

12.00

14.00

0 50 100 150 200 250

beban (kg)

Pen

uru

nan

(m

m)

197



Penurunan Penurunan Beban

(kg) (div) 0.01 mm 0 0.00 0.00

10 26.00 0.26 20 51.00 0.51 40 128.00 1.28 80 305.00 3.05 120 454.00 4.54 140 542.00 5.42 150 590.00 5.90 160 645.00 6.45 180 760.00 7.60 190 875.00 8.75 195 1010.00 10.10 195 1027.00 10.27 195 1045.00 10.45 195 1057.00 10.57 195 1071.00 10.71 195 1092.00 10.92 195 1101.00 11.01 195 1124.00 11.24 195 1142.00 11.42


0.00

2.00

4.00

6.00

8.00

10.00

12.00

14.00

0 50 100 150 200 250

beban (kg)

Pen

uru

nan

(m

m)

195




0 0.00 0.00 10 24.00 0.24 20 52.00 0.52 40 130.00 1.30 80 303.00 3.03 120 459.00 4.59 140 544.00 5.44 150 603.00 6.03 160 639.00 6.39 180 765.00 7.65 190 880.00 8.80 195 1009.00 10.09 196 1027.00 10.27 197 1057.00 10.57 198 1063.00 10.63 198 1086.00 10.86 198 1098.00 10.98 198 1108.00 11.08 198 1135.00 11.35 198 1149.00 11.49


0.00

2.00

4.00

6.00

8.00

10.00

12.00

14.00

0 50 100 150 200 250

beban (kg)

Pen

uru

nan

(m

m)

198




0 0.00 0.00 10 60.00 0.60 20 132.00 1.32 40 240.00 2.40 80 425.00 4.25 100 515.00 5.15 120 624.00 6.24 140 730.00 7.30 160 865.00 8.65 180 1015.00 10.15 190 1293.00 12.93 192 1370.00 13.70 192 1410.00 14.10 192 1450.00 14.50 192 1495.00 14.95 192 1510.00 15.10 192 1545.00 15.45 192 1570.00 15.70 192 1612.00 16.12 192 1640.00 16.40


0.00

2.00

4.00

6.00

8.00

10.00

12.00

14.00

16.00

18.00

0 50 100 150 200 250

beban (kg)

Pen

uru

nan

(m

m)

192




0 0.00 0.00 10 47.00 0.47 20 122.00 1.22 40 230.00 2.30 80 440.00 4.40 100 515.00 5.15 120 618.00 6.18 140 715.00 7.15 160 855.00 8.55 180 1005.00 10.05 190 1300.00 13.00

192.5 1395.00 13.95 192.5 1417.00 14.17 192.5 1435.00 14.35 192.5 1480.00 14.80 192.5 1515.00 15.15 192.5 1552.00 15.52 192.5 1585.00 15.85 192.5 1617.00 16.17 192.5 1650.00 16.50


0.00

2.00

4.00

6.00

8.00

10.00

12.00

14.00

16.00

18.00

0 50 100 150 200 250

beban (kg)

Pen

uru

nan

(m

m)

192.5




0 0.00 0.00 10 52.00 0.52 20 135.00 1.35 40 222.00 2.22 80 443.00 4.43 100 519.00 5.19 120 622.00 6.22 140 710.00 7.10 160 843.00 8.43 180 1001.00 10.01 190 1284.00 12.84 190 1370.00 13.70 190 1415.00 14.15 190 1429.00 14.29 190 1476.00 14.76 190 1518.00 15.18 190 1560.00 15.60 190 1584.00 15.84 190 1632.00 16.32 190 1645.00 16.45


0.00

2.00

4.00

6.00

8.00

10.00

12.00

14.00

16.00

18.00

0 50 100 150 200 250

beban (kg)

Pen

uru

nan

(m

m)

190




0 0.00 0.00 10 14.00 0.14 20 58.00 0.58 40 120.00 1.20 80 239.00 2.39 100 311.00 3.11 120 405.00 4.05 140 499.00 4.99 160 608.00 6.08 170 725.00 7.25 180 1000.00 10.00 182 1090.00 10.90 182 1099.00 10.99 182 1110.00 11.10 182 1118.00 11.18 182 1132.00 11.32 182 1145.00 11.45 182 1160.00 11.60 182 1178.00 11.78 182 1187.00 11.87


0.00

2.00

4.00

6.00

8.00

10.00

12.00

14.00

0 50 100 150 200 250

beban (kg)

Pen

uru

nan

(m

m)

182




0 0.00 0.00 10 18.00 0.18 20 55.00 0.55 40 116.00 1.16 80 227.00 2.27 100 300.00 3.00 120 385.00 3.85 140 480.00 4.80 160 585.00 5.85 170 702.00 7.02 180 904.00 9.04 185 1030.00 10.30 185 1054.00 10.54 185 1067.00 10.67 185 1078.00 10.78 185 1090.00 10.90 185 1104.00 11.04 185 1119.00 11.19 185 1134.00 11.34 185 1146.00 11.46


0.00

2.00

4.00

6.00

8.00

10.00

12.00

14.00

0 50 100 150 200 250

beban (kg)

Pen

uru

nan

(m

m)

185




0 0.00 0.00 10 15.00 0.15 20 53.00 0.53 40 114.00 1.14 80 224.00 2.24 100 295.00 2.95 120 376.00 3.76 140 474.00 4.74 160 574.00 5.74 170 700.00 7.00 180 899.00 8.99 183 1024.00 10.24 183 1043.00 10.43 183 1059.00 10.59 183 1074.00 10.74 183 1087.00 10.87 183 1101.00 11.01 183 1117.00 11.17 183 1130.00 11.30 183 1144.00 11.44


0.00

2.00

4.00

6.00

8.00

10.00

12.00

14.00

0 50 100 150 200 250

beban (kg)

Pen

uru

nan

(m

m)

183

Ilustrasi Uji Pembebanan

Nama Instalasi : Universitas Kristen Maranatha Kedalaman Tanah : Nama Proyek : Praktikum Tugas Akhir Nama Operator : Jemmy Lokasi Proyek : Nama Engineer : Deskripsi Tanah : Pasir Tanggal :

Gambar 7 . Foto Alat-alat Uji Pembebanan

Gambar 8 . Foto Pengujian Pembebanan

Kalibrasi Erlenmeyer · Ilustrasi Uji Berat Jenis Tanah Nama Instalasi : Universitas Kristen...

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Transcript of Kalibrasi Erlenmeyer · Ilustrasi Uji Berat Jenis Tanah Nama Instalasi : Universitas Kristen...