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Problem 4: a) Calculate the total overburden, effective stress and pore pressure distribution for the soil...
For the soil strata, draw diagrams indicating the total stress, pore pressure and effective stress profiles...
For the soil strata, draw diagrams indicating the total stress, pore pressure and effective stress profiles to the bottom of clay layer. Fine sand has a thickness of 6 m (FST) with saturated unit weight of 18 kN/m2. Clay has a thickness of 8 m with saturated unit weight of 14 kN/m3 The water table is located at depth of 0.7 of fine sand thickness below the ground surface (i.e. depth=0.7*FST). Fine sand will sustain capillarity (suction). Assume the same...
Question 3: Calculate the total stress, effective stress, and pore water pressure at points A and...
Question 3: Calculate the total stress, effective stress, and pore water pressure at points A and B for the soil profile shown in Figure 2.0 below. Assume specifie gravity value as 2.70, void ratio as 0.7, degree of saturation as 0.85, and water content as 28% Point Load = 500 kN 2.0m GWT 4.5m OA 5.0m .B Figure 2.0 Question 4: If the groundwater in the figure 2.0 were (a) to drop 2m below the surface, (b) to rise 2...
g=9.81m/s^2 When it say "preconsolidated under vertical effective stress of 130 kPa", this means that the...
g=9.81m/s^2
When it say "preconsolidated under vertical effective stress of
130 kPa", this means that the preconsolidation pressure at the
centre of the clay layer is 130 kPa, NOT that 130 kPa was applied
as a surcharge at the surface.
In the following questions, you do not need to divide the clay layer into multiple layers to calculate the consolidation settlement. Asume the clay to be only one layer q 50 kN/m2 3.0 m dry WT Sand: Ysat 1k -17...
(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...
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...
*need the uplift force Problem 5 Consider the flow net shown below. The sandy soil has...
*need the uplift force
Problem 5 Consider the flow net shown below. The sandy soil has an average saturated unit weight of 20 kN/m and permeability of 0.002 cm/s. Numbers provided are elevations from the interface with the impervious layer. The other "set" of numbers counts the number of head drops. (a) Compute the distribution of pore water pressure acting along the base of the concrete weir, and determine the vertical uplift force that the water pressure exerts on the...
P3/4/5 Problem 3 Plot the variation of total stress, pore water pressure, and effective stress with...
P3/4/5
Problem 3 Plot the variation of total stress, pore water pressure, and effective stress with depth for the sand and clay layers shown in a figure below. Given: Hi-6m and H-4m. Dry sand 0.65 -2.66 Groand water table -0.9 G,-2.73 Problem 4 Refer to a figure below in which there is water seepage. Gven: H-1.5 t and H- 4.5 t h-1.75 f, and 122 Ib/t a. Calculate the total stress, pore watcr pressure, and effective stress at C(z-2 n)...
Solve the following problems. 1. Calculate initial stresses (total stress, porewater pressure, effective stress) and Induced...
Solve the following problems. 1. Calculate initial stresses (total stress, porewater pressure, effective stress) and Induced stresses at points A, B, and C due to loading shown in the Figure below. (25 points) 1000 psf 4 feet с. 1.5 ft 6 feet A 1.0 ft B 1000 psf Soil I 5.0 ft e = 0.56, G, = 2.65 Soil II e = 0.53, G, = 2.65 4.0 ft 8.0 ft C •A
4.Refer to the soil profile shown in Figure Question 1 (a) Determine the total stress, pore...
4.Refer to the soil profile shown in Figure Question 1 (a) Determine the total stress, pore water pressure, and effective stress at A, B, C, and D (b) If during the spring the water table rises above the ground surface by 15m calculate the effective stress at point D Dry sand;eo.55 G,-266 B Water table 3 m 1.5 mSand G,-2.66e 0.48 Clay w-34.78% G+ 2.74 5 m Figure Question 4
Q3 (35) A soil profile is shown in figure below. Calculate total stess, pore water pressure...
Q3 (35) A soil profile is shown in figure below. Calculate total stess, pore water pressure and effective stres at B, C, and D. Take unit weight of water 10 kN/m. Water level rise up 1.6om from the inital level. Caloulate change in effective stress at points D. 1.8 m and G 16.3 16 m Clay 29
For the soil strata, draw diagrams indicating the total stress, pore pressure and effective stress profiles to the bottom of clay layer. Fine sand has a thickness of 6 m (FST) with saturated unit weight of 18 kN/m2. Clay has a thickness of 8 m with saturated unit weight of 14 kN/m3 The water table is located at depth of 0.7 of fine sand thickness below the ground surface (i.e. depth=0.7*FST). Fine sand will sustain capillarity (suction). Assume the same...
Question 3: Calculate the total stress, effective stress, and pore water pressure at points A and B for the soil profile shown in Figure 2.0 below. Assume specifie gravity value as 2.70, void ratio as 0.7, degree of saturation as 0.85, and water content as 28% Point Load = 500 kN 2.0m GWT 4.5m OA 5.0m .B Figure 2.0 Question 4: If the groundwater in the figure 2.0 were (a) to drop 2m below the surface, (b) to rise 2...
g=9.81m/s^2
When it say "preconsolidated under vertical effective stress of
130 kPa", this means that the preconsolidation pressure at the
centre of the clay layer is 130 kPa, NOT that 130 kPa was applied
as a surcharge at the surface.
In the following questions, you do not need to divide the clay layer into multiple layers to calculate the consolidation settlement. Asume the clay to be only one layer q 50 kN/m2 3.0 m dry WT Sand: Ysat 1k -17...
(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...
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...
*need the uplift force
Problem 5 Consider the flow net shown below. The sandy soil has an average saturated unit weight of 20 kN/m and permeability of 0.002 cm/s. Numbers provided are elevations from the interface with the impervious layer. The other "set" of numbers counts the number of head drops. (a) Compute the distribution of pore water pressure acting along the base of the concrete weir, and determine the vertical uplift force that the water pressure exerts on the...
P3/4/5
Problem 3 Plot the variation of total stress, pore water pressure, and effective stress with depth for the sand and clay layers shown in a figure below. Given: Hi-6m and H-4m. Dry sand 0.65 -2.66 Groand water table -0.9 G,-2.73 Problem 4 Refer to a figure below in which there is water seepage. Gven: H-1.5 t and H- 4.5 t h-1.75 f, and 122 Ib/t a. Calculate the total stress, pore watcr pressure, and effective stress at C(z-2 n)...
Solve the following problems. 1. Calculate initial stresses (total stress, porewater pressure, effective stress) and Induced stresses at points A, B, and C due to loading shown in the Figure below. (25 points) 1000 psf 4 feet с. 1.5 ft 6 feet A 1.0 ft B 1000 psf Soil I 5.0 ft e = 0.56, G, = 2.65 Soil II e = 0.53, G, = 2.65 4.0 ft 8.0 ft C •A
4.Refer to the soil profile shown in Figure Question 1 (a) Determine the total stress, pore water pressure, and effective stress at A, B, C, and D (b) If during the spring the water table rises above the ground surface by 15m calculate the effective stress at point D Dry sand;eo.55 G,-266 B Water table 3 m 1.5 mSand G,-2.66e 0.48 Clay w-34.78% G+ 2.74 5 m Figure Question 4
Q3 (35) A soil profile is shown in figure below. Calculate total stess, pore water pressure and effective stres at B, C, and D. Take unit weight of water 10 kN/m. Water level rise up 1.6om from the inital level. Caloulate change in effective stress at points D. 1.8 m and G 16.3 16 m Clay 29
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