Geo Tech

A compacted sample of soil with a bulk unit weight of 19.62 kN/m3 has a water content of 15%. What are its dry density, degree of saturation and air-content? Assume G = 2.65.

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A compacted sample of soil with a bulk unit weight of 19.62 kN/m3 has a water content of 15%. What […]

A compacted sample of soil with a bulk unit weight of 19.62 kN/m3 has a water content of 15%. What are its dry density, degree of saturation and air-content? Assume G = 2.65. Read More »

A moist sample of soil has a mass of 633 g and a volume of 300 cm3 at a water content of 11%. Taking G = 2.68, determine e, S and na. Also determine the water content at which the soil gets fully saturated without any increase in the volume. What will be the unit weight at saturation?

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Moist Soil Sample Analysis Problem Statement A moist soil sample has the following properties: Mass = 633 g Volume =

A moist sample of soil has a mass of 633 g and a volume of 300 cm3 at a water content of 11%. Taking G = 2.68, determine e, S and na. Also determine the water content at which the soil gets fully saturated without any increase in the volume. What will be the unit weight at saturation? Read More »

In a Jodhpur-Mini-Compactor test, 612 g of wet soil occupies a volume of 300 cm3 at a moisture content of 12.6%. Determine (i) g, (ii) gd, (iii) e, (iv) n and (v) S in the compacted soil if the specific gravity of soil solids is 2.68.

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Jodhpur-Mini-Compactor Test Analysis Problem Statement A Jodhpur-Mini-Compactor test provides: Wet soil mass = 612 g Volume = 300 cm³ Moisture

In a Jodhpur-Mini-Compactor test, 612 g of wet soil occupies a volume of 300 cm3 at a moisture content of 12.6%. Determine (i) g, (ii) gd, (iii) e, (iv) n and (v) S in the compacted soil if the specific gravity of soil solids is 2.68. Read More »

A saturated specimen of undisturbed inorganic clay has a volume of 19.2 cm3 and mass 32.5 g. After oven dryingat 105°C for 24 hours, the mass reduces to 20.9 g. For the soil in the natural state, find (i) w, (ii) G,(iii) e, (iv) gsat and (v) gd.

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Saturated Clay Properties Analysis Problem Statement A saturated inorganic clay specimen has: Volume = 19.2 cm³ Natural mass = 32.5

A saturated specimen of undisturbed inorganic clay has a volume of 19.2 cm3 and mass 32.5 g. After oven dryingat 105°C for 24 hours, the mass reduces to 20.9 g. For the soil in the natural state, find (i) w, (ii) G,(iii) e, (iv) gsat and (v) gd. Read More »

The natural bulk unit weight of a sandy stratum is 18.54 kN/m3 and it has a water content of 8%. For determining the density index, dried sand from the stratum was first filled loosely in a 300 cm3 mould and then vibrated to give a maximum density. The loose dry mass in the mould was 480 g and the dense dry mass at the maximum compaction was 570 g. If the specific gravity of solids is 2.66, find the density index of the sand in the stratum.

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Sand Stratum Density Index (GATE Exam Problem) Problem Statement (GATE Exam) A sandy stratum has the following properties: Natural bulk

The natural bulk unit weight of a sandy stratum is 18.54 kN/m3 and it has a water content of 8%. For determining the density index, dried sand from the stratum was first filled loosely in a 300 cm3 mould and then vibrated to give a maximum density. The loose dry mass in the mould was 480 g and the dense dry mass at the maximum compaction was 570 g. If the specific gravity of solids is 2.66, find the density index of the sand in the stratum. Read More »

Soil has been compacted in an embankment at a bulk density of 2.15 mg/m3 and water content of 12%. The value of specific gravity of soil solids is 2.65. The water table is well below the foundation level. Estimate the dry density, void ratio, degree of saturation and air content of compacted soil.

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Embankment Soil Properties (GATE Exam 2002) Problem Statement (GATE Exam 2002) A compacted embankment soil has the following properties: Bulk

Soil has been compacted in an embankment at a bulk density of 2.15 mg/m3 and water content of 12%. The value of specific gravity of soil solids is 2.65. The water table is well below the foundation level. Estimate the dry density, void ratio, degree of saturation and air content of compacted soil. Read More »

The total unit weight of the glacial outwash soil is 16 kN/m3. The specific gravity of soil particles of the soil is 2.67. The water content of the soil is 17%. Calculate:(a) Dry unit weight (b) Porosity(c) Void ratio (d) Degree of saturation

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Soil Properties (GATE Exam 1998) Problem Statement (GATE Exam 1998) The total unit weight of the glacial outwash soil is

The total unit weight of the glacial outwash soil is 16 kN/m3. The specific gravity of soil particles of the soil is 2.67. The water content of the soil is 17%. Calculate:(a) Dry unit weight (b) Porosity(c) Void ratio (d) Degree of saturation Read More »

The total unit weight of soil is 18.8 KN/m3 the specific gravity (G) of the solid particles of soil is 2.67 and the water content (w) of the soil is 12%. Calculate the dry unit weight ,the void ratio (e) and the degree of saturation.

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Soil Properties Analysis (GATE Exam 1994) Problem Statement (GATE Exam 1994) A soil sample has the following properties: Total unit

The total unit weight of soil is 18.8 KN/m3 the specific gravity (G) of the solid particles of soil is 2.67 and the water content (w) of the soil is 12%. Calculate the dry unit weight ,the void ratio (e) and the degree of saturation. Read More »

Cohesive soil yields a maximum dry density of 1.8 g/cc at on OMC of 16% during a standard Proctor test. If the value of G is 2.65, what is the degree of saturation? What is the maximum dry density it can be further compacted to?

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Soil Compaction Analysis (GATE Exam 1992) Problem Statement (GATE Exam 1992) A cohesive soil has: Maximum dry density (\( \rho_d

Cohesive soil yields a maximum dry density of 1.8 g/cc at on OMC of 16% during a standard Proctor test. If the value of G is 2.65, what is the degree of saturation? What is the maximum dry density it can be further compacted to? Read More »

A sample of sand above water table was found to have a natural moisture content of15% and a unit weight of 18.84 kN/m3. Laboratory tests on a dried sample indicated values of 0.5 and0.85 for minimum and maximum void ratios, respectively for densest and loosest states. Calculate the degree of saturation and the relative density. Assure G = 2.65.

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Sand Properties Above Water Table (Engg. Services Exam 2000) Problem Statement (Engg. Services Exam 2000) A sand sample above the

A sample of sand above water table was found to have a natural moisture content of15% and a unit weight of 18.84 kN/m3. Laboratory tests on a dried sample indicated values of 0.5 and0.85 for minimum and maximum void ratios, respectively for densest and loosest states. Calculate the degree of saturation and the relative density. Assure G = 2.65. Read More »

The void ratio and specific gravity of a sample of clay are 0.73 and 2.7, respectively. If the voids are 92% saturated, find the bulk density, dry density and the water content. What would be the water content for complete saturation, the void ratio remaining the same?

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The void ratio and specific gravity of a sample of clay are 0.73 and 2.7, respectively. If the voids are

The void ratio and specific gravity of a sample of clay are 0.73 and 2.7, respectively. If the voids are 92% saturated, find the bulk density, dry density and the water content. What would be the water content for complete saturation, the void ratio remaining the same? Read More »

A sampler with a volume of 45 cm3 is filled with a soil sample. When the soil is poured into a graduated cylinder, if displaces 25 cm3 of water. What is the porosity and wind ratio of the soil?

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Porosity and Void Ratio (Engg. Services Exam 1998) Problem Statement (Engg. Services Exam 1998) A soil sampler with a volume

A sampler with a volume of 45 cm3 is filled with a soil sample. When the soil is poured into a graduated cylinder, if displaces 25 cm3 of water. What is the porosity and wind ratio of the soil? Read More »

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