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4. (10 pts) The soil profiles at a site is as follows (from the ground surface down); 5 m of very...
In the figure below, the natural soil profile consists of sand overlying clay overlying sand overlying bedrock. A water...
In the figure below, the natural soil profile consists of sand
overlying clay overlying sand overlying bedrock. A
water table is present 1 m beneath the surface of the natural
ground. If 4 m of consistent fill material (γfill = 15
kN/m3) was placed on top of this soil profile that covered a
large area, determine:
(a) The consolidation settlement of the clay layer (using 4
equal layers in your calculation), and
(b) The time (in days) for this consolidation...
Problem 7 The soil profile at a site consists of a top 4 m layer of...
Problem 7 The soil profile at a site consists of a top 4 m layer of dense sand followed by 2 m of clay, which is underlain by a stiff stratum. The water table is at 2 m below the ground level. The following data was obtained from a consolidation test on an undisturbed sample obtained from the middle of the clay layer: water content 5 36%, specific gravity of the clay grains = 2.72, compression index = 0.72, recompression...
Problem 2. [2596] Figure 2 shows a soil profile. The uniformly distributed load on the ground...
Problem 2. [2596] Figure 2 shows a soil profile. The uniformly distributed load on the ground surface is (1) Estimate the primary consolidation settlement of the clay layer due to the application of Ap. (2) If the clay layer is preconsolidated and the average preconsolidation pressure is 80 kPa, what will be the expected primary consolidation settlement if the recompression index is C 0.2 x Cc? p 87 kPa 1 m Dry Sand Sand: Saturated Sand Dry Unit weight: 14.6...
(22 marks) piles are to be constructed in a site with soil the ground surface) 2 m layer of new ilt, followed by 12 m layer of soft clay,f deep layer of dense the major sand. The Gwr is 0.5m be...
(22 marks) piles are to be constructed in a site with soil the ground surface) 2 m layer of new ilt, followed by 12 m layer of soft clay,f deep layer of dense the major sand. The Gwr is 0.5m below the ground surface geotechnical considerations for the piles (6 marks)
(22 marks) piles are to be constructed in a site with soil the ground surface) 2 m layer of new ilt, followed by 12 m layer of soft clay,f...
e3 shows the soil profile (sand-clay-sand) at the site of a warehouse that causes a surface...
e3 shows the soil profile (sand-clay-sand) at the site of a warehouse that causes a surface ding of 100 kPa. (pw= 1000 kg/m; g 9.81 m/s2) on 4 (25 marks) A clay sample was cored at 7 m depth (middle of the clay layer). Based on laboratory test data, it was found that the clay was over-consolidated with OCR = 2.5 (before applying surface loading), compression index Ce 0.44 and recompression index C. = 0.1. The consolidation coefficient of clay...
Q8 An oil tank, 20 m in diameter, is to be built on a site where the soil profile consists of 4 m of dense gravel overl...
Q8 An oil tank, 20 m in diameter, is to be built on a site where the soil profile consists of 4 m of dense gravel overlying 3 m of clay overlying rigid impermeable rock, and the water table is 1 m below the soil surface. If the tank applies a uniform pressure of 100 kPa to the surface of the soil calculate the differential settlement between the centre and perimeter of the tank after 1 year and after many...
[Problems 1-4] The soil profile at a site for a proposed office building consists of a...
[Problems 1-4] The soil profile at a site for a proposed office building consists of a layer of fine sand 10.4 m thick above a layer of soft, normally consolidated clay 2 m thick. Below the soft clay is a deposit of coarse sand. The groundwater table was observed at 3 m below ground level. The void ratio of the sand is 0.76, and the water content of the clay is 43%. The building will impose a vertical stress increase...
geotechnical engineering The soil profile at a site consists of a clay layer 10 m thick,...
geotechnical engineering
The soil profile at a site consists of a clay layer 10 m thick, sandwich between two sand layers. The top sand layer has a density of 1.9 Mg/m² and is 5 m thick. Below this layer is a 10 m thick clay layer with a saturated density of 1.8 Mg/m' and a saturated water content 42%. The deeper sand layer has a saturated density of 1.9 Mg/m² and extend to the depth investigated at the site. The...
Two undisturbed clay samples were taken from the middle of the overconsolidated and normally consolidated clay layers in the soil profile shown. The water table is at the top of the overconsolidated c...
Two undisturbed clay samples were taken from the middle of the
overconsolidated and normally consolidated clay layers in the soil
profile shown. The water table is at the top of the
overconsolidated clay layer. Consolidation tests were carried out
on the two samples and the results are summarized in the table
below. Assume that the bulk, dry, and saturated unit weights of the
sand are 16 kN/m3, 16 kN/m3 and 19
kN/m3, respectively. The specific gravity of the clay
soil...
TO. A uniformly distributed surcharge of T50 kN/m2 was applied at the ground surface of the...
TO. A uniformly distributed surcharge of T50 kN/m2 was applied at the ground surface of the soil profile shown below. Based on the consolidation laboratory ratio is 0.8, compression index is 0.45 and swell index is 0.1, det (30 points) results, the initial void ermine the following: A) Effective stress and pore water pressure at the mid-depth of layer 4. B) Primary consolidation settlement if the clay layer is normally consolidated. C) Primary consolidation settlement if the precompression pressure i5...
In the figure below, the natural soil profile consists of sand
overlying clay overlying sand overlying bedrock. A
water table is present 1 m beneath the surface of the natural
ground. If 4 m of consistent fill material (γfill = 15
kN/m3) was placed on top of this soil profile that covered a
large area, determine:
(a) The consolidation settlement of the clay layer (using 4
equal layers in your calculation), and
(b) The time (in days) for this consolidation...
Problem 7 The soil profile at a site consists of a top 4 m layer of dense sand followed by 2 m of clay, which is underlain by a stiff stratum. The water table is at 2 m below the ground level. The following data was obtained from a consolidation test on an undisturbed sample obtained from the middle of the clay layer: water content 5 36%, specific gravity of the clay grains = 2.72, compression index = 0.72, recompression...
Problem 2. [2596] Figure 2 shows a soil profile. The uniformly distributed load on the ground surface is (1) Estimate the primary consolidation settlement of the clay layer due to the application of Ap. (2) If the clay layer is preconsolidated and the average preconsolidation pressure is 80 kPa, what will be the expected primary consolidation settlement if the recompression index is C 0.2 x Cc? p 87 kPa 1 m Dry Sand Sand: Saturated Sand Dry Unit weight: 14.6...
(22 marks) piles are to be constructed in a site with soil the ground surface) 2 m layer of new ilt, followed by 12 m layer of soft clay,f deep layer of dense the major sand. The Gwr is 0.5m below the ground surface geotechnical considerations for the piles (6 marks)
(22 marks) piles are to be constructed in a site with soil the ground surface) 2 m layer of new ilt, followed by 12 m layer of soft clay,f...
e3 shows the soil profile (sand-clay-sand) at the site of a warehouse that causes a surface ding of 100 kPa. (pw= 1000 kg/m; g 9.81 m/s2) on 4 (25 marks) A clay sample was cored at 7 m depth (middle of the clay layer). Based on laboratory test data, it was found that the clay was over-consolidated with OCR = 2.5 (before applying surface loading), compression index Ce 0.44 and recompression index C. = 0.1. The consolidation coefficient of clay...
Q8 An oil tank, 20 m in diameter, is to be built on a site where the soil profile consists of 4 m of dense gravel overlying 3 m of clay overlying rigid impermeable rock, and the water table is 1 m below the soil surface. If the tank applies a uniform pressure of 100 kPa to the surface of the soil calculate the differential settlement between the centre and perimeter of the tank after 1 year and after many...
[Problems 1-4] The soil profile at a site for a proposed office building consists of a layer of fine sand 10.4 m thick above a layer of soft, normally consolidated clay 2 m thick. Below the soft clay is a deposit of coarse sand. The groundwater table was observed at 3 m below ground level. The void ratio of the sand is 0.76, and the water content of the clay is 43%. The building will impose a vertical stress increase...
geotechnical engineering
The soil profile at a site consists of a clay layer 10 m thick, sandwich between two sand layers. The top sand layer has a density of 1.9 Mg/m² and is 5 m thick. Below this layer is a 10 m thick clay layer with a saturated density of 1.8 Mg/m' and a saturated water content 42%. The deeper sand layer has a saturated density of 1.9 Mg/m² and extend to the depth investigated at the site. The...
Two undisturbed clay samples were taken from the middle of the
overconsolidated and normally consolidated clay layers in the soil
profile shown. The water table is at the top of the
overconsolidated clay layer. Consolidation tests were carried out
on the two samples and the results are summarized in the table
below. Assume that the bulk, dry, and saturated unit weights of the
sand are 16 kN/m3, 16 kN/m3 and 19
kN/m3, respectively. The specific gravity of the clay
soil...
TO. A uniformly distributed surcharge of T50 kN/m2 was applied at the ground surface of the soil profile shown below. Based on the consolidation laboratory ratio is 0.8, compression index is 0.45 and swell index is 0.1, det (30 points) results, the initial void ermine the following: A) Effective stress and pore water pressure at the mid-depth of layer 4. B) Primary consolidation settlement if the clay layer is normally consolidated. C) Primary consolidation settlement if the precompression pressure i5...
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