based on the compaction curve shown, If the specification calls for a 94% relative compaction i he field, what would be the field dry density and the range of acceptable water content? the field dry density [Select] 2- the range of acceptable water content [Select] kN/m3

Results of a standard Proctor compaction test on a silty sand are shown in the below figure. Dry unit weight (kN/m3) 19.5 19.0 18.5 18.0 6 17.5 17.0 5-17 7-12 8-11 a. What is the moist unit weight (ywet, kN/m3) at optimum moisture content? b. What is the degree of saturation (Sr, %) at optimum moisture content? Given: Gs = 2.73. c. If the required field dry unit weight (yd) is 18.15 kN/m3, what is the relative compaction (%)? 6. What should be the range of compaction moisture contents (%) in the field to achieve the above relative compaction? 10 0 6-14 5 9.5-10.5 10 Moisture content (%) 15 20 7. If the minimum and maximum void ratios are 0.29 and 0.80, respectively, what is the relative density of compaction in the field (%)?

I need an answer. Asap ty subject: Soil mechanics (geotechnical engineering)

1. Using phase relationships and the assumption that the volume of solids is 1.0, show WGs - Se. Describe the difference between Standard Compaction and Modified Compaction in a laboratory compaction test. Describe the expected difference in optimum moisture content between the two tests. 3. 1870 g of wet soil is compacted into a mould of volume of 1000 cm3, and then oven dried at 1100 for 24 hrs. The weight of the soil is measured at 1677 g, and the specific gravity Gs, is known to be 2.66. Determine (a) the moisture content (b) the bulk density in kg/m3 (c) dry density in kg/m3 (d) void ratio and (e) degree of saturation. | FaceLE

In its natural state the soil in a borrow pit, the total (moist) unit weight is 120 lb/ft3, and the water (moisture) content is 20 %. The result of the Modified compaction test of the soil of the borrow pit is given in the figure below. The soil from the borrow pit will be used to construct a compacted fill. The construction of the fill requires 10,000 ft3 of compacted soil. The specifications required that the compaction of the fill be performed at the optimum moisture content to obtain the maximum dry unit weight for fill. How much (volume in ft3) must be excavated from the borrow pit? Dry unit weight (lb/ft3) 107 106 105 104 103 102 8 12 w (%) 16 20 24

Determine the clay-size fraction and the activity index

Find the degree of Saturation at the above conditions ?

Given the compactions curve for a soil sample shown below. Answer the following questions: What is the optimum moisture content to compact the soil? What is maximum dry density can be reachęd? What is the maximum bulk density can be reached? If project specification calls for minimum DOC of 97%, What is the acceptable range of field dry density? 1.66 1.65 W% Ya(G/CM3) 1.64 1.63 13 1.594 1.62 15.5 1.642 1.61 18.1 1.615 1.6 21.2 1.617 1.59 23.5 1.582 1.58 1.57 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 Moisture content % Dry density (g/cm3)

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25. Refer to Figure 7.16. What would 90% of the maxi- mum dry density equal for this curve? If the speci fications require 95% of standard Proctor density and within +2% of the optimum water content, what range of values would be acceptable for this test?

Answer in two decimal places please

The Following results were obtained From a standard Compaction test on a Soil: Soil Mechanics The volume of Gs 2.7 Buls uint wight (ksu/m) 20.4 21, 28 21. 63 21.44 20.18 2o.48 11.2 12.9 14 16.3 18.8 20.5 Water content (%) * plot the dry density/water content curve and give the optimum miosture content and maximum dry densityof the soil oiw M p lot the Lines of Zero 5 % and 10% air Voids, Lines 不

Three sets of compaction data are given below. Assume that the density of solids is ps= 2.64 Mg/m', and answer and/or compute the following: a) Plot the compaction curves of each in Excel, along with the zero air voids (ZAV) curve. Soil A Soil B Soil C pa (Mg/m3) » (%) pa (Mg/m3) @ (%) pa (Mg/m3) o (%) 9.3 1.691 1.873 9.3 1.627 10.9 1.910 12.8 1.715 11.8 1.639 12.3 1.803 15.5 1.755 14.3 1.740 16.3 1.699 18.7 1.747 17.6 1.707 20.1 1.641 21.1 1.685 20.8 1.647 22.4 1.619 23.0