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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...
A 5m wide and 10m long rectangular foundation is built on a site where the soil...
A 5m wide and 10m long rectangular foundation is built on a site where the soil profile consists of 3m of gravel and 4m of clay overlying rigid impermeable rock as shown in Fiqure 8. The foundation carries a surcharge loading of q-65 kN/m2 Initially the water table is 1 m below the surface of the gravel. The water table rises to the surface of the gravel slowly over a period of time and the surface loading induces an increase...
A 5m wide and 10m long rectangular foundation is built on a site where the soil...
A 5m wide and 10m long rectangular foundation is built on a site where the soil profile consists of 3m of gravel and 4m of clay overlying rigid impermeable rock as shown in Figure 8. The foundation carries a surcharge loading of q=65 kN/m2 Initially the water table is 1 m below the surface of the gravel. The water table rises to the surface of the gravel slowly over a period of time and the surface loading induces an increase...
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...
A circular tank of 6 m diameter is to be constructed at a site with the...
A circular tank of 6 m diameter is to be constructed at a site with the soil profile (2 m sand overlying 4 m clay) shown in Figure 3 below. The water table is 2 m below the surface (i.e. at the sand-clay interface). The circular tank will apply a loading of 200 kN/m2 Circular tank - (z = 0 m) Sand (z 2 m) Pt A (z 3 m) Clay (z 4 m) Pt B (z 5 m) (z...
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...
1. (25 points) The soil profile at a site consists of a layer of fine sand...
1. (25 points) The soil profile at a site consists of a layer of fine sand 5 m thick above a layer of clay 4 m thick. Below the clay is a layer of impermeable rock. The groundwater table was observed at 2 m below ground level. The unit weight of the sand above and below the water table is 20 KN/m'. The water content of the clay is 25% and its dry unit weight is 15 KN/m'. The compression...
(a) Determine and draw the lateral pressure distribution (active hydrostatic) acting on the smooth wall shown...
(a) Determine and draw the lateral pressure distribution (active hydrostatic) acting on the smooth wall shown in Figure 2. The water table is at the interface of the soil layers. (8 marks) Soil 1: c'0 kPa, ' 32 y 16 kN/m 2 m 4 m Soil 2: c'-5 kPa, 30° Yet20 kN/m3 Figure 2 (b) In Figure 3 below, the L-shaped area carries a 200 kN/m2 uniform load. Determine the vertical stress increase due to the loading at a depth...
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...
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...
X=22 QUESTION 3 (30 marks) A soil profile at a site is shown in Figure 1....
X=22
QUESTION 3 (30 marks) A soil profile at a site is shown in Figure 1. A soil specimen is taken from the middle of the clay layer and subjected to a consolidation test, and following properties are reported. • Moisture content of clay = 15% • Specific gravity of soil grains = 2.7 OCR=3.0 • Compression Index (Cc)=0.5 • Recompression Index (Cr)=0.04 a) Calculate the effective vertical stress at the middle of the clay layer (10 marks) b) Calculate...
A 5m wide and 10m long rectangular foundation is built on a site where the soil profile consists of 3m of gravel and 4m of clay overlying rigid impermeable rock as shown in Fiqure 8. The foundation carries a surcharge loading of q-65 kN/m2 Initially the water table is 1 m below the surface of the gravel. The water table rises to the surface of the gravel slowly over a period of time and the surface loading induces an increase...
A 5m wide and 10m long rectangular foundation is built on a site where the soil profile consists of 3m of gravel and 4m of clay overlying rigid impermeable rock as shown in Figure 8. The foundation carries a surcharge loading of q=65 kN/m2 Initially the water table is 1 m below the surface of the gravel. The water table rises to the surface of the gravel slowly over a period of time and the surface loading induces an increase...
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...
A circular tank of 6 m diameter is to be constructed at a site with the soil profile (2 m sand overlying 4 m clay) shown in Figure 3 below. The water table is 2 m below the surface (i.e. at the sand-clay interface). The circular tank will apply a loading of 200 kN/m2 Circular tank - (z = 0 m) Sand (z 2 m) Pt A (z 3 m) Clay (z 4 m) Pt B (z 5 m) (z...
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...
1. (25 points) The soil profile at a site consists of a layer of fine sand 5 m thick above a layer of clay 4 m thick. Below the clay is a layer of impermeable rock. The groundwater table was observed at 2 m below ground level. The unit weight of the sand above and below the water table is 20 KN/m'. The water content of the clay is 25% and its dry unit weight is 15 KN/m'. The compression...
(a) Determine and draw the lateral pressure distribution (active hydrostatic) acting on the smooth wall shown in Figure 2. The water table is at the interface of the soil layers. (8 marks) Soil 1: c'0 kPa, ' 32 y 16 kN/m 2 m 4 m Soil 2: c'-5 kPa, 30° Yet20 kN/m3 Figure 2 (b) In Figure 3 below, the L-shaped area carries a 200 kN/m2 uniform load. Determine the vertical stress increase due to the loading at a depth...
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...
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...
X=22
QUESTION 3 (30 marks) A soil profile at a site is shown in Figure 1. A soil specimen is taken from the middle of the clay layer and subjected to a consolidation test, and following properties are reported. • Moisture content of clay = 15% • Specific gravity of soil grains = 2.7 OCR=3.0 • Compression Index (Cc)=0.5 • Recompression Index (Cr)=0.04 a) Calculate the effective vertical stress at the middle of the clay layer (10 marks) b) Calculate...
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