Question

The following moisture-mass data are results from a laboratory compaction test: Tets # 1 2 3 4 5 6 Bulk Density [Mg/m³] 1.450 1.570 1.810 1.870 1.740 1.590 Water content [%] 7.60 9.60 13.80 17.50 21.20 24.30 Volume of the mold = 1000 cm³ Particle specific gravity = 2.7 A. Plot the graph of dry density against water content and determine the optimum water content and maximum dry density of the soil sample. B. Calculate the percentage of air voids corresponding to the optimum water content. (Show your calculation) C. Determine the water content limits which should be specified for relative compaction (RC) of 95%. (Show your calculation)

          The following moisture-mass data are results from a laboratory compaction test:
Tets #
1
2
3
4
5
6
Bulk Density [Mg/m³]
1.450
1.570
1.810
1.870
1.740
1.590
Water content [%]
7.60
9.60
13.80
17.50
21.20
24.30
Volume of the mold = 1000 cm³
Particle specific gravity = 2.7
A. Plot the graph of dry density against water content and determine the optimum water content and maximum dry density of the soil sample.
B. Calculate the percentage of air voids corresponding to the optimum water content. (Show your calculation)
C. Determine the water content limits which should be specified for relative compaction (RC) of 95%. (Show your calculation)

Show more…

The following moisture-mass data are results from a laboratory compaction test:
Tets #
1
2
3
4
5
6
Bulk Density [Mg/m³]
1.450
1.570
1.810
1.870
1.740
1.590
Water content [%]
7.60
9.60
13.80
17.50
21.20
24.30
Volume of the mold = 1000 cm³
Particle specific gravity = 2.7
A. Plot the graph of dry density against water content and determine the optimum water content and maximum dry density of the soil sample.
B. Calculate the percentage of air voids corresponding to the optimum water content. (Show your calculation)
C. Determine the water content limits which should be specified for relative compaction (RC) of 95%. (Show your calculation)

Added by Bryan H.

Elementary and Intermediate Algebra

Alan S. Tussy, R. David Gustafson 5th Edition

Instant Answer

Solved by Expert Kameswara Ramakrishna Adidam

Step 1

To plot the graph of dry density against water content, we need to calculate the dry density for each test. Dry density is calculated using the formula: Dry Density = Bulk Density / (1 + (Water Content / 100)) For Test #1: Dry Density = 1.450 / (1 + (7.60 / Show more…

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Can you make sure to show how numbers were produced for dry density? The following moisture-mass data are results from a laboratory compaction test: Test# 1 2 3 4 5 6 Bulk Density [Mg/mÂ³] 1.450 1.570 1.810 1.870 1.740 1.590 Water content [%] 7.60 9.60 13.80 17.50 21.20 24.30 Volume of the mold = 1000 cmÂ³ Particle specific gravity = 2.7 A. Plot the graph of dry density against water content and determine the optimum water content and maximum dry density of the soil sample. B. Calculate the percentage of air voids corresponding to the optimum water content. (Show your calculation) C. Determine the water content limits which should be specified for relative compaction (RC) of 95%. (Show your calculation)

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