Table-I :Correction
Factor for Variation in Specific Gravity of water due to Temperature
Temperature °C |
K27 |
15 |
1.0026 |
16 |
1.0024 |
17 |
1.0023 |
18 |
1.0021 |
19 |
1.0019 |
20 |
1.0017 |
21 |
1.0015 |
22 |
1.0013 |
23 |
1.0010 |
24 |
1.0008 |
25 |
1.0005 |
26 |
1.0003 |
27 |
1 |
28 |
0.9997 |
29 |
0.9994 |
30 |
0.9991 |
31 |
0.9988 |
32 |
0.9985 |
33 |
0.9982 |
34 |
0.9979 |
35 |
0.9975 |
36 |
0.9972 |
37 |
0.9968 |
38 |
0.9964 |
39 |
0.9961 |
40 |
0.9957 |
Table-II : Values of Effective Depth on Hydrometer and Sedimentation Cylinder of Specified Sizes
Hydrometer 151 H |
|||
Hydrometer Reading |
Effective Depth, L, Cm |
Hydrometer Reading |
Effective Depth, L, Cm |
1.000 |
16.3 |
1.020 |
11.0 |
1.001 |
16.0 |
1.021 |
10.7 |
1.002 |
15.8 |
1.022 |
10.5 |
1.003 |
15.5 |
1.023 |
10.2 |
1.004 |
15.2 |
1.024 |
10.0 |
1.005 |
15.0 |
1.025 |
9.7 |
1.006 |
14.7 |
1.026 |
9.4 |
1.007 |
14.4 |
1.027 |
9.2 |
1.008 |
14.2 |
1.028 |
8.9 |
1.009 |
13.9 |
1.029 |
8.6 |
1.010 |
13.7 |
1.030 |
8.4 |
1.011 |
13.4 |
1.031 |
8.1 |
1.012 |
13.1 |
1.032 |
7.8 |
1.013 |
12.9 |
1.033 |
7.6 |
1.014 |
12.6 |
1.034 |
7.3 |
1.015 |
12.3 |
1.035 |
7.0 |
1.016 |
12.1 |
1.036 |
6.8 |
1.017 |
11.8 |
1.037 |
6.5 |
1.018 |
11.5 |
1.038 |
6.2 |
1.019 |
11.3 |
|
|
Table-III: Values of K for Use in Formula for Computing Diameter of Particle in Hydrometer Analysis
Temp. ēC |
Specific Gravity of Soil Particles |
||||||||
|
2.45 |
2.50 |
2.55 |
2.60 |
2.65 |
2.70 |
2.75 |
2.80 |
2.85 |
16 |
0.01531 |
0.01505 |
0.01481 |
0.01457 |
0.01435 |
0.01414 |
0.01394 |
0.01374 |
0.01356 |
17 |
0.01511 |
0.01486 |
0.01462 |
0.01439 |
0.01417 |
0.01396 |
0.01376 |
0.01356 |
0.01338 |
18 |
0.01492 |
0.01467 |
0.01443 |
0.01421 |
0.01399 |
0.01378 |
0.01359 |
0.01339 |
0.01321 |
19 |
0.01474 |
0.01449 |
0.01425 |
0.01403 |
0.01382 |
0.01361 |
0.01342 |
0.01323 |
0.01305 |
20 |
0.01456 |
0.01431 |
0.01408 |
0.01386 |
0.01365 |
0.01344 |
0.01325 |
0.01307 |
0.01289 |
21 |
0.01438 |
0.01414 |
0.01391 |
0.01369 |
0.01348 |
0.01328 |
0.01309 |
0.01291 |
0.01273 |
22 |
0.01421 |
0.01397 |
0.01374 |
0.01353 |
0.01332 |
0.01312 |
0.01294 |
0.01276 |
0.01258 |
23 |
0.01404 |
0.01381 |
0.01358 |
0.01337 |
0.01317 |
0.01297 |
0.01279 |
0.01261 |
0.01243 |
24 |
0.01388 |
0.01365 |
0.01342 |
0.01321 |
0.01301 |
0.01282 |
0.01264 |
0.01246 |
0.01229 |
25 |
0.01372 |
0.01349 |
0.01327 |
0.01306 |
0.01286 |
0.01267 |
0.01249 |
0.01232 |
0.01215 |
26 |
0.01357 |
0.01334 |
0.01312 |
0.01291 |
0.01272 |
0.01253 |
0.01235 |
0.01218 |
0.01201 |
27 |
0.01342 |
0.01319 |
0.01297 |
0.01277 |
0.01258 |
0.01239 |
0.01221 |
0.01204 |
0.01188 |
28 |
0.01327 |
0.01304 |
0.01283 |
0.01264 |
0.01244 |
0.01225 |
0.01208 |
0.01191 |
0.01175 |
29 |
0.01312 |
0.01290 |
0.01269 |
0.01249 |
0.01230 |
0.01212 |
0.01195 |
0.01173 |
0.01162 |
30 |
0.01298 |
0.01276 |
0.01256 |
0.01236 |
0.01217 |
0.01199 |
0.01182 |
0.01165 |
0.01149 |
Table-IV: Variation of ht / h27
Temperature |
15 |
16 |
17 |
18 |
19 |
20 |
21 |
22 |
ht / h27 |
1.336 |
1.301 |
1.268 |
1.237 |
1.206 |
1.177 |
1.149 |
1.122 |
Temperature |
23 |
24 |
25 |
26 |
27 |
28 |
29 |
30 |
ht / h27 |
1.096 |
1.071 |
1.046 |
1.023 |
1.000 |
0.979 |
0.958 |
0.938 |