Hydrometer LMA
6
Hydrometer Analysis Project : Jl. Kerja Depan SKKI Amount : 4% Wt. of soil, : 49.2 g Location of Proj : Summarecon Serpong Job No. : Meniscus corr: 1.0 Description of S : Brown Clayey silt Boring No. : Sample No. : LMA 1 Tested By : Asep Wahyu Depth of Sample : a : 0.99 Hydrometer no. : 152H Date of Testing : 29/03/2013 Zero correcti: 4 Dipersing agent : Waterglass : 2.72 Date D (mm) % Finner 29/3 10:18 0 1 26.2 37.0 34.7 38.0 10.1 10.1000 0.0125 0.0397 69.7 2 26.2 33.5 31.2 34.5 10.7 5.3500 0.0125 0.0289 62.7 3 26.2 31.5 29.2 32.5 11.1 3.7000 0.0125 0.0240 58.7 4 26.2 29.0 26.7 30.0 11.4 2.8500 0.0125 0.0211 53.6 8 26.2 26.2 23.9 27.2 11.9 1.4875 0.0125 0.0152 48.0 10:33 15 26.2 23.2 20.9 24.2 12.4 0.8267 0.0125 0.0114 42.0 10:48 30 26.2 20.2 17.9 21.2 12.9 0.4300 0.0125 0.0082 35.9 11:18 60 25.9 18.0 15.3 19.0 13.2 0.2200 0.0127 0.0060 30.8 12:18 120 25.9 16.0 13.3 17.0 13.5 0.1125 0.0127 0.0043 26.8 14:18 240 25.9 14.0 11.3 15.0 13.8 0.0575 0.0127 0.0030 22.7 18:18 480 25.7 11.5 8.8 12.5 14.3 0.0298 0.0127 0.0022 17.7 30/3 10:18 1440 20.1 11.0 7.0 12.0 14.3 0.0099 0.0134 0.0013 14.1 01/4 10:18 4320 21.0 9.5 5.7 10.5 14.7 0.0034 0.0133 0.0008 11.5 Soil fraction: 17% clay 61% silt Gs of solids Time of reading Elapsed time (min) Temperat ure ( o C) Actual Hyd. Reading Ra Corr. Hyd. Reading Rc Hyd. Corr. Only for meniscus R L from Table 6-5 L/t K from Table 6- 4 Rc = Ractual - zero correction + C % finner = Rc(a)/Ws D = KÖL/t 0.0001 0.0010 0.0100 0.1000 0 10 20 30 40 50 60 70 80 90 100 Hydrometer Analysis Graph Grain diameter, mm Percent finer 0.0020 0.0060 0.0200 0.0600 S i l t Fine Medium Coarse Clay Fraction Fine Sand
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Transcript of Hydrometer LMA
Hydrometer Analysis
Project : Jl. Kerja Depan SKKI Amount : 4% Wt. of soil, Ws : 49.2 gLocation of Project : Summarecon Serpong Job No. : Meniscus correc: 1.0Description of Soil : Brown Clayey silt Boring No. : Sample No. : LMA 1Tested By : Asep Wahyu Depth of Sample : a : 0.99Hydrometer no. : 152H Date of Testing : 29/03/2013 Zero correction : 4
Dipersing agent : Waterglass : 2.72
Date D (mm) % Finner
29/3 10:18 01 26.2 37.0 34.7 38.0 10.1 10.1000 0.0125 0.0397 69.72 26.2 33.5 31.2 34.5 10.7 5.3500 0.0125 0.0289 62.73 26.2 31.5 29.2 32.5 11.1 3.7000 0.0125 0.0240 58.74 26.2 29.0 26.7 30.0 11.4 2.8500 0.0125 0.0211 53.68 26.2 26.2 23.8 27.2 11.9 1.4875 0.0125 0.0152 48.0
10:33 15 26.2 23.2 20.8 24.2 12.4 0.8267 0.0125 0.0114 42.010:48 30 26.2 20.2 17.8 21.2 12.9 0.4300 0.0125 0.0082 35.911:18 60 25.9 18.0 15.3 19.0 13.2 0.2200 0.0127 0.0060 30.812:18 120 25.9 16.0 13.3 17.0 13.5 0.1125 0.0127 0.0043 26.814:18 240 25.9 14.0 11.3 15.0 13.8 0.0575 0.0127 0.0030 22.718:18 480 25.7 11.5 8.8 12.5 14.3 0.0298 0.0127 0.0022 17.7
30/3 10:18 1440 20.1 11.0 7.0 12.0 14.3 0.0099 0.0134 0.0013 14.101/4 10:18 4320 21.0 9.5 5.7 10.5 14.7 0.0034 0.0133 0.0008 11.5
Soil fraction: 17% clay61% silt
Gs of solids
Time of reading
Elapsed time (min)
Temperature (oC)
Actual Hyd.
Reading Ra
Corr. Hyd. Reading
Rc
Hyd. Corr. Only for
meniscus R
L from Table 6-5
L/tK from
Table 6-4
Rc = Ractual - zero correction + CT % finner = Rc(a)/Ws D = KÖL/t
0.0001 0.0010 0.0100 0.1000
0
10
20
30
40
50
60
70
80
90
100
Hydrometer Analysis Graph
Grain diameter, mm
Pe
rce
nt
fine
r
0.0020 0.0060 0.0200 0.0600
S i l t
Fine Medium CoarseClay Fraction Fine
Sand
Hydrometer Analysis
Project : Jl. Kerja Depan SKKI Amount : 4% Wt. of soil, Ws : 49.6 gLocation of Project : Summarecon Serpong Job No. : Meniscus correc: 1.0Description of Soil : Brown Clayey silt Boring No. : Sample No. : LMA 2Tested By : Fajar Fiska Depth of Sample : a : 0.99Hydrometer no. : 152H Date of Testing : 29/03/2013 Zero correction : 4
Dipersing agent : Waterglass : 2.73
Date D (mm) % Finner
29/3 10:39 01 26.7 37.0 34.7 38.0 10.1 10.1000 0.0125 0.0397 69.22 26.7 34.0 31.7 35.0 10.5 5.2500 0.0125 0.0286 63.23 26.7 31.5 29.2 32.5 11.1 3.7000 0.0125 0.0240 58.24 26.7 30.0 27.7 31.0 11.2 2.8000 0.0125 0.0209 55.28 26.7 26.1 23.8 27.1 11.9 1.4875 0.0125 0.0152 47.4
10:54 15 26.7 23.1 20.8 24.1 12.4 0.8267 0.0125 0.0114 41.411:09 30 26.7 20.2 17.8 21.2 12.9 0.4300 0.0125 0.0082 35.611:39 60 25.9 18.0 15.3 19.0 13.2 0.2200 0.0127 0.0060 30.512:39 120 25.9 16.0 13.3 17.0 13.5 0.1125 0.0127 0.0043 26.514:39 240 25.9 14.0 11.3 15.0 13.8 0.0575 0.0127 0.0030 22.618:39 480 25.6 11.2 8.5 12.2 14.3 0.0298 0.0127 0.0022 17.0
30/3 10:39 1440 20.5 11.1 7.1 12.1 14.3 0.0099 0.0134 0.0013 14.201/4 10:39 4320 21.0 9.0 5.2 10.0 14.7 0.0034 0.0133 0.0008 10.4
Soil fraction: 16% clay60% silt
Gs of solids
Time of reading
Elapsed time (min)
Temperature (oC)
Actual Hyd.
Reading Ra
Corr. Hyd. Reading
Rc
Hyd. Corr. Only for
meniscus R
L from Table 6-5
L/tK from
Table 6-4
Rc = Ractual - zero correction + CT % finner = Rc(a)/Ws D = KÖL/t
0.0001 0.0010 0.0100 0.1000
0
10
20
30
40
50
60
70
80
90
100
Hydrometer Analysis Graph
Grain diameter, mm
Pe
rce
nt
fine
r
0.0020 0.0060 0.0200 0.0600
S i l t
Fine Medium CoarseClay Fraction Fine
Sand
Table 6-1 Properties of Distilled Table 6-2 Correction Table 6-3 Temperature
Weight of Solids
15 1.1016 -0.9017 -0.70
4 1.00000 0.01567 18 -0.5016 0.99897 0.01111 19 -0.3017 0.99880 0.01083 2.50 1.04 20 0.0018 0.99862 0.01056 2.55 1.02 21 0.2019 0.99844 0.01330 2.60 1.01 22 0.4020 0.99823 0.01005 2.65 1.00 23 0.7021 0.99802 0.00981 2.70 0.99 24 1.0022 0.99780 0.00958 2.75 0.98 25 1.3023 0.99757 0.00936 2.80 0.97 26 1.6524 0.99733 0.00914 2.85 0.96 27 2.0025 0.99708 0.00894 28 2.5026 0.99682 0.00874 29 3.0527 0.99655 0.00855 30 3.8028 0.99627 0.0083629 0.99598 0.0081830 0.99568 0.00801
2.50 2.55 2.60 2.65
16 0.0151 16 0.0148 16 0.0146 16 0.0144 1617 0.0149 17 0.0146 17 0.0144 17 0.0142 1718 0.0148 18 0.0144 18 0.0142 18 0.0140 1819 0.0145 19 0.0143 19 0.0140 19 0.0138 1920 0.0143 20 0.0141 20 0.0139 20 0.0137 2021 0.0141 21 0.0139 21 0.0137 21 0.0135 2122 0.0140 22 0.0137 22 0.0135 22 0.0133 2223 0.0138 23 0.0136 23 0.0134 23 0.0132 2324 0.0137 24 0.0134 24 0.0132 24 0.0130 2425 0.0135 25 0.0133 25 0.0131 25 0.0129 2526 0.0133 26 0.0131 26 0.0129 26 0.0127 2627 0.0132 27 0.0130 27 0.0128 27 0.0126 2728 0.0130 28 0.0128 28 0.0126 28 0.0124 2829 0.0129 29 0.0127 29 0.0125 29 0.0123 2930 0.0128 30 0.0126 30 0.0124 30 0.0122 30
Depth) for Use in Stokes'Formula for Diameter of Particlesfor ASTM Soil Hydrometer 152H
Water (h = absolute) Factors a for Unit Correction Factors, CT
Temp., oC
Unit weight of water,
g/cm3
Viscosity of water, poise*
Temp., oC CT
Unit weight of
soil solids, g/cm3
Correction factor, a
*Poise = dyne . s/cm2 = g/cm . s
Table 6-4 Values of K for Use in Eq. (6-8a) for Several Unit Weights of Soil Solids and Temperature Combinations
Temp., oC
Gs, g/cm3
Temp., oCGs, g/cm3
Temp., oCGs, g/cm3
Temp., oCGs, g/cm3
Temp., oC
Table 6-5 Values of L (Effective
0 16.31 16.12 16.03 15.84 15.65 15.56 15.37 15.28 15.09 14.810 14.711 14.512 14.313 14.214 14.015 13.816 13.717 13.518 13.319 13.220 13.021 12.922 12.723 12.524 12.425 12.226 12.027 11.928 11.729 11.530 11.431 11.232 11.133 10.934 10.735 10.536 10.437 10.238 10.139 9.940 9.741 9.642 9.443 9.244 9.145 8.946 8.847 8.648 8.4
Original hydrometer reading
(corrected for meniscus only)
Effective depth L,
cm
49 8.350 8.151 7.952 7.853 7.654 7.455 7.356 7.157 7.058 6.859 6.660 6.5
2.70 2.75 2.80 2.85
0.0141 16 0.0139 16 0.0137 16 0.01360.0140 17 0.0138 17 0.0136 17 0.01340.0138 18 0.0136 18 0.0134 18 0.01320.0136 19 0.0134 19 0.0132 19 0.01310.0134 20 0.0133 20 0.0131 20 0.01290.0133 21 0.0131 21 0.0129 21 0.01270.0131 22 0.0129 22 0.0128 22 0.01260.0130 23 0.0128 23 0.0126 23 0.01240.0128 24 0.0126 24 0.0125 24 0.01230.0127 25 0.0125 25 0.0123 25 0.01220.0125 26 0.0124 26 0.0122 26 0.01200.0124 27 0.0122 27 0.0120 27 0.01190.0123 28 0.0121 28 0.0119 28 0.01170.0121 29 0.0120 29 0.0118 29 0.01160.0120 30 0.0118 30 0.0117 30 0.0115
for Use in Eq. (6-8a) for Several Unit Weights of Soil Solids and Temperature Combinations
Gs, g/cm3
Temp., oCGs, g/cm3
Temp., oCGs, g/cm3
Temp., oCGs, g/cm3
