In a specific gravity test the following data were recorded. Mass of pycnometer jar=530 g Mass of pycnometer jar when full of water=1650g Mass of pycnometer containing soil only=980 g Mass of pycnometer jar containing soil and topped with water=1850 g A. Find the specific gravity of the soil particles. B. Dry unit weight when the void ratio is 0.40 (kN/m³) C. Degree of Saturation if the moisture content is 12%.

In a specific gravity test the following data were recorded. Mass of pycnometer jar=530 g Mass of pycnometer jar when full of water=1650g Mass of pycnometer containing soil only=980 g Mass of pycnometer jar containing soil and topped with water=1850 g A. Find the specific gravity of the soil particles. B. Dry unit weight when the void ratio is 0.40 (kN/m³) C. Degree of Saturation if the moisture content is 12%.

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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Can u solve ?(readable) A soil specimen is 38 mm in diameter and 76 mm long, and in its natural conditionweighs 168.0 g. When dried completely in an oven, the specimen weighs 130.5 g. The value ofGs is 2.73. What is the degree of saturation of the specimen?
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.
Following are the results of a field unit-weight determination test performed on the same soil by means of the sand cone method: -Calibrated dry unit weight of Ottawa sand = 15.4019 kn/m3 -Calibrated weight of Ottawa sand to fill the cone = 5.3496 N -Weightof jar + cone + sand (before use) = 74.451 N -Weightof jar + cone + sand (after use) = 46.886 N -Weight of moist soil from hole = 29.509 N -Moisture content of moist soil = 10.21% DETERMINE AND SHOW COMPLETE SOLUTION 1. Dry density of compaction in the field in kg/cu.m.
37 The data shown below are the results of a liquid limit test done on a soil. Moisture Content (%) Cone Penetration (mm) 27 11 29 18 33 24 39 28 41 30 What is the consistency index of the soil if plastic limit is 17 and water content is 26%? Round off to two decimal places.
In a standard proctor test, 3.2 kg of moist soil was filling the mould of volume 944 cc after compaction. A soil sample weighing 40 gm was taken from the mould and oven dried for 24 hours at a temperature of 110°C. Weight of dry sample was found to be 34 gm. Specific gravity of soil solids is 2.5. The theoretical maximum value of the dry unit weight of soil at that water content is equal to
1.4 A test for the relative density of soil in place was performed by digging a small hole in the soil. The volume of the hole was 400 ml and the moist weight of the excavated soil was 9 N. after oven drying, the weight was 7.8 N. Of the dried soil, 4N was poured into a vessel in a very loose state, and its volume was found to be 270 ml. The same weight of soil when vibrated and compacted had a volume of 200 ml. Determine the relative density.
2. In an experiment at the laboratory to determine the water content in a soil sample, the following measurements were made; Weight of soil sample, WT = 0.01 kg Volume of soil sample VT = 0.005 m Volume of soil solids, Vs 0.003 m Weight of water, Ww 0.001 kg Volume of air, Va 0.0008 m Calculate the i. water content in the soil 11. Degree of saturation iii. Void ratio iv. Porosity
1. A dry sand is placed in a container having a volume of 0.0092 cubic centimeter. The dry unit weightof the sample is 0.015 gram. Water is carefully added to the container so as not to disturbed thecondition of the sand. When the container is filled, the combined weight of soil plus water is 0.0182gram.a. Determine the specific gravity of soil particle.b. Determine the dry unit weight of soil.2. If the soil sample has a water content of 11% and a unit weight of 19.67 kN/m3 , determine thepercentage of air in voids and the degree of saturation if the specific gravity of soil solid is 2.75.3. If the soil sample has a specific gravity of 2.71 and a porosity of 0.345, determine the saturated unitweight and the bouyant unit weight.4. A soil sample having a liquidity index of 0.85, a plasticity index of 16.50 and a plastic limit of 11.45.The soil sample has a specicfic gravity of 2.68 and a void ratio of 0.77.a. Compute the degree of saturation.b. Compute the air void ratio.
THE WEIGHT OF THE VOIDS OF ON SITE SOIL WAS MEASURED AND FOUND OUT TO BE 1 kN. AFTER DRYING, THE WEIGHT OF THE SOLID WAS FOUND TO BE 1 kN. IF THE VOLUME OF THE SOIL IS 0.099 m3, WHAT IS THE NATURAL UNIT WEIGHT OF THE SOIL? * Your answer
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