PROBLEM 3:The following data were obtained froma field density test on a compacted fillof sandy clay. Laboratory moisturedensity test on the fill materialindicated a maximum dry density of120 pcf at an optimum water contentof 11 percent.weight of moist soil removed from thetest holeweight of soil after oven drying - 914 gVolume of test hole from rubber1038 gballoon apparatus ------- 0.0169 cu. ft.What is the percent compaction of thefill?a. 89.1 %C. 86.4 %b. 99.1 %d. 88.7 %

Answered: Image /qna-images/answer/5eb86d2b-02d5-4a0e-b645-9aa06a9857e6.jpg

Answered: LEM 3: The following data were obtained…

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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Q1. Undisturbed soil sample was collected from the filed in Melbourne in steel tube for laboratory evaluation. The tube has the diameter of 85 mm, length of 170 mm and the moisture weight of 1600 g. If the oven-dried weight was 1200 g and Gs = 2.69, calculate the followings:a) Bulk unit weight (?) in kN/m3b) Field moisture content (w)c) Void ratio & porosity (e and ⴄ) d) Degree of saturation (Sr)
A WET OF SOIL SAMPLE HAS A VOLUME OF 4.85 x 10^-4 m3 AND WEIGHS 8.5N. AFTER OVEN DRYING, THE WEIGHT REDUCES TO 7.5N. IF sg = 2.7DETERMINE THE UNIT WEIGHT. DETERMINE THE MOISTURE CONTENT. DETERMINE THE DEGREE OF SATURATIONAnswer in 4 decimal places with unit
A sand cone in place unit test was conducted on the field during the construction of the embanklment in CALAX. The following data were obtained in the field: Moisture content of soil from the test hole+ 12.8% ; Weight of sand to fill the funnel(cone) = 320g; Weight of weight soil from the test hole= 750g; Unit weight of sand= 15.4 kN/m3 and Weight of sand used to fill the test hole and thefunnel of sand-cone device=870 g. Compute for the dry unit weight of the compacted soil in kN/m3. a.17.80 b.18.74 c.20.08 d.21.14
A sand cone in place unit test was conducted on the field during the construction of the embanklment in CALAX. The following data were obtained in the field: Moisture content of soil from the test hole+ 12.8% ; Weight of sand to fill the funnel(cone) = 320g; Weight of weight soil from the test hole= 750g; Unit weight of sand= 15.4 kN/m3 and Weight of sand used to fill the test hole and thefunnel of sand-cone device=870 g. Compute for the relative compaction (in percent) in the field if the maximum dry unit weight of the soil is 21.30 kN/m3. a. 94 b. 90 c. 88 d. 92
A sand cone in place unit test was conducted on the field during the construction of the embanklment in CALAX. The following data were obtained in the field: Moisture content of soil from the test hole+ 12.8% ; Weight of sand to fill the funnel(cone) = 320g; Weight of weight soil from the test hole= 750g; Unit weight of sand= 15.4 kN/m3 and Weight of sand used to fill the test hole and thefunnel of sand-cone device=870 g. Compute for the relative compaction (in percent) in the field if the maximum dry unit weight of the soil is 21.30 kN/m3.
A sand cone in place unit test was conducted on the field during the construction of the embanklment in CALAX. The following data were obtained in the field: Moisture content of soil from the test hole+ 12.8% ; Weight of sand to fill the funnel(cone) = 320g; Weight of weight soil from the test hole= 750g; Unit weight of sand= 15.4 kN/m3 and Weight of sand used to fill the test hole and thefunnel of sand-cone device=870 g. Compute for the relative compaction (in percent) in the field if the maximum dry unit weight of the soil is 21.30 kN/m3. a.94 b.88 c.92 d.90 With FBD if necessary
Undisturbed soil sample was collected from the field in steel Shelby tubes for laboratory evaluation. The tube sample has a diameter of 71 mm, length of 558 mm, and a moist weight of 42.5 x 10-3 If the oven-dried weight was 37.85 x 10-3 kN, and Gs = 2.69, calculate the following: Moist unit weight Field moisture content Dry unit weight Void ratio Degree of saturation
The weight of a cylindrical clay soil sample with a diameter of 39mm and a height of 78mm was 203.6gr.have been weighed. Its weight after being thrown in the oven was determined as 165.2gr. Specific gravity of this soil Gs= 2.69If (Gs=γs/γw), then the ground in this case;a) Natural unit weightb) Water contentc) Dry unit volume weightd) vacancy ratee) Calculate the percentage of saturation? (unit volume weight of water is 1.0 gr/cm3will be taken.)
A sand cone test was conducted in the field. The mass of wet soil excavated from the hole is 3668.3g with a moisture content of 17.2%. Before and after the test, the sand cone apparatus weighed 10154.0g and 5749.4g. The cone can contain 1680g of Ottawa Sand (ρ=1.353g/cc). Solve the dry density of the soil sample.
Sand cone equipment is used to determine an in-place unit weight (field density test) on a compacted earth fill. Ottowa sand is used in the cone and is known to have a bulk density of 1604 kg/m3. The laboratory moisture unit weight curve indicates a dry unit wt. of 19.20kN/m3 and an optimum moisture content of 13%.Soil sample dug from the test hole. Wet weight of soil sample = 2220 g. Dried weight of soil sample = 1930 g. Weight of sand to fill the test hole = 1936 g. c. Compute the percentage of compaction of the tested soil
A cylindrical soil sample 50 mm in diameter and 200 mm in height is used as thepermeameter in a falling head permeability test setup. In one minute of observation, thehydraulic head in the 10 mm diameter standpipe through which test water went reducedfrom 900mm to 500 mm. During that time, 1.5 liters of water were collected in the graduate. Calculate the soil sample's permeability coefficient in cm/s.
The Laboratory Apparatus shown maintains aconstant head in both the upper and lowerreservoirs. The soil sample is a silty sand with ahydraulic conductivity K = 5 x 10-3 cm/sec. and amoisture content of 18.5%. Specific gravity of soilsample = 2.70. Compute the seepage velocity.Determine the time required for the plug of water topass through the soil. Compute the discharge ofwater.

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