If an area needs to be filled with compacted soil with the following specifications: Dimensions: 45m length, 17m width, and 0.9 m depth. The swell factor= 0.3, and the shrinkage factor=0.75. Given that: Compacted Volume = Natural Volume X Shrinkage Loose Volume = Natural Volume X (1+ Swell) Calculate the Natural Volume ( m³) Calculate the Loose Volume (m3 ) +

If an area needs to be filled with compacted soil with the following specifications: Dimensions: 45m length, 17m width, and 0.9 m depth. The swell factor= 0.3, and the shrinkage factor=0.75. Given that: Compacted Volume = Natural Volume X Shrinkage Loose Volume = Natural Volume X (1+ Swell) Calculate the Natural Volume ( m³) Calculate the Loose Volume (m3 ) +

Structural Analysis

6th Edition

ISBN:9781337630931

Author:KASSIMALI, Aslam.

Publisher:KASSIMALI, Aslam.

Chapter2: Loads On Structures

Section: Chapter Questions

Problem 1P

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A sample of soil having a mass of 360 g is to be placed into a cylinder whose volume is 750 cm³. An additional volume of 573 cm³ of water is required to fill the container with moisture content = 22.5% and GS = 2.60. 1. Compute the bulk unit weight. a. 6.16 kN/m³ b. 16.25 kN/m³ c. 18.19 kN/m³ d. 19.95 kN/m³ 2. Compute the submerged unit weight. a. 8.17 kN/m³ b. 9.42 kN/m³ c. 10.02 kN/m³ d. 12.18 kN/m³ 3. Compute the porosity. a. 0.56 b. 0.46 c. 0.36 d. 0.26
Data Sieve Sieve No. Opening (mm) 4 4.750 10 2.000 20 0.850 30 0.600 40 0.425 60 0.250 140 0.106 200 0.075 Pan Mass of soil retained on each sieve, W (grams) 0 40.2 84.6 50.2 40.0 106.4 108.8 59.4 8.7 Percent of mass retained on each sieve. R Cumulative percent retained, Σ Rn Percent finer, 100 – Σ Rn
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8 The following are results of a field unit weight determination test using sand cone method: Volume of hole = 0.0019 m3 Mass of moist soil from hole = 3.24 kg Water content = 12.01% Max. dry unit weight from a laboratory compaction test = 19.70 kN/m3 Determine the relative compaction, in percent. Round off to two decimal places. Hint: Relative compaction = Field dry unit weight / Max dry unit weight (lab)
required= compute for the dry unit weight, void ratio and relative density
Geotechnical Engineering Please help me answer this question, and please show your solutions write it properly. Problem 4 For a given sandy soil, the maximum and minimum void ratios are 0.72 and 0.46, respectively. If Gs= 2.71 and w=11%, what is the moist unit weight of compaction in the field if the relative density equals 82%? Problem 5 A soil sample has a unit weight of 105.7 pcf and a degree of saturation of 50% When the saturation is increased to 75%, its unit weight raises to 112.7 pcf. Determine the void ratio e and the specific gravity Gs for this soil.
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3. The following are the results of a field unit weight determination test performed on the soil by means of the sand cone method. Calibrated dry density of Ottawa sand = 1570 kg/m³ Calibrated mass of Ottawa sand to fill the cone = 0.545 kg Mass of jar + cone + sand (before use) = 7.59 kg Mass of jar + cone + sand (after use) = 4.78 kg Mass of moist soil dug from hole = 3.007 kg Water content of moist soil = 10.2% Max dry unit weight = 19 kN/m³ a. Determine the moist unit weight of compacted soil in kN/m³. b. Find the dry unit weight in kN/m³. c. Compute the relative compaction in the field.
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Table 1 below is the result of compaction results. Please evaluate the correct combination of missing data. Table 1: Compaction test results Water content (%) 8.00 III IV Bulk Density II 2.35 2.09 (Mg/m³) Dry Density (Mg/m³) 1.89 2.08 1.76 || A B Answer A B с D I 5.00 1.87 I 1.68Mg/m³ 1780kg/m³ 1.80Mg/m³ 1.78Mg/m³ 2.04Mg/m³ 2.08Mg/m³ 2080kg/m³ 2040kg/m³ III 13% 11% 12% 13% 16.00 2.20 1.90 IV 19% 20% 19% 19%
A soil sample has a bulk unit weight of 20.0 kN/m^3 at a water content of 8.0%. Use Gs=2.56 Determine the porosity. Answer in TWO(2) decimal places. Numerical values only. Don't indicate units here, just on the submitted solution.
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