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Plot the variation of o, u, and o'with depth for the soil profile shown below. H...
A soil profile consisting of 3 layers is shown in Fig. 3. Answer the following V....
A soil profile consisting of 3 layers is shown in Fig. 3. Answer the following V. questions: (20 pts) Layer 1 HI-5 m, e-0.7, Gs 2.69 H2-8 m, e=0.55, Gs 2.70 H3 3 m, w-38%; e=1.2 H Groundwater Layer 2 Layer 3 Dry sand Sand Clay Rock Fig. 3 u, and o at points A, B, C and D. and plot Calculate the values of o 1. the variations of o ,u, and o with depth. (10 pts) Calculate the...
Q2. A borehole at a site reveals the soil profile shown in Figure 2. Plot the...
Q2. A borehole at a site reveals the soil profile shown in Figure 2. Plot the distribution of vertical total and effective stresses with depth. Assume pore air pressure is zero and the pore-water pressure due to capillarity is negative as shown in Figure 3 Elevation (m) Very fine wet sand with silt w=596, S = 40% Fine sand saturated by capillary action Fine sand, 12% 2.0 5.4 Soft blue clay, w= 28% 20.6 Figure 2 Soil Porewater pressure distribution
A soil profile is shown below. The soil sample is taken from depth of 11m, a)...
A soil profile is shown below. The soil sample is taken from depth of 11m, a) Is it OC or NC soil? b) If it is loaded with A6= 28 t/m2 calculate the settlement of clay layer. For sand Ydry = 1.75 t/m and Ysat = 2.0 t/m3 For clay Xsat = 1.9 t/m3 6'o+A6 SC 6'o+A6 CsH Сен -log 1+ Sc log 087645) 610 1+eo 610 Sc CH 1+0 -log 6) + CCH 1+ -log (9729) 610 Sand 5m...
For the soil profile shown below, calculate the final settlement due to the placement of the...
For the soil profile shown below, calculate the final settlement due to the placement of the sand fill. Estimate the excess pore pressure at a depth of 1.5 m into the third clay layer 1.5 years after the fill is placed. Assume the coefficient of consolidation is Cv = 1.8 m2/yr. Fill y = 16.0 kN/m² (3m thick) Clay 1 (3m thick) Sand (0.5m thick) Clay 2 (2m thick) Sand (0.5m thick) Clay 3 (4m thick) Sand (0.5m thick) eo...
(4). (8 pts). A soil profile is shown in below Figure. A uniformly distributed load Ao is applied at the surface of soil. Given the preconsolidation pressure is between swell index and compressio...
(4). (8 pts). A soil profile is shown in below Figure. A uniformly distributed load Ao is applied at the surface of soil. Given the preconsolidation pressure is between swell index and compression index is: C C/6. The unit weight of water is: -9.38 kN/m. If U-98% we regard it as a completion of primary consolidation. We have taken the clay sample and done the Atterberg Limit test. For the liquid limit test, the result is as below. Please ơ'-926...
A high-rise structure is to be built over the soil profile shown below. The proposed rectangular...
A high-rise structure is to be built over the soil profile shown below. The proposed rectangular foundation footprint is 20 m x 40 m and is uniformly loaded with 800 kPa. A piezometer was installed in the ground directly below the center of the foundation at a depth of 10 m (below the ground surface) prior to construction to monitor pore water pressure. Using a unit weight of water equal to 10 kN/m], answer questions 6, 7, 8, 9, 10,...
Variation of U, with T, and z/Hdr Proposed fill y 19.2 kN/m3 3,0 m 0 Compressibility of Soil teh 2.0 Y -18.5 kN/m3-; 1.5m-U Fine to medium sand (SP) 2.0 m 2 1.5 0.7 0.8 3.0 m 0.9 4.0m Soft clay (CL)...
Variation of U, with T, and z/Hdr Proposed fill y 19.2 kN/m3 3,0 m 0 Compressibility of Soil teh 2.0 Y -18.5 kN/m3-; 1.5m-U Fine to medium sand (SP) 2.0 m 2 1.5 0.7 0.8 3.0 m 0.9 4.0m Soft clay (CL) γ 16.0 kN/m3 0.5 10.0m (4 3 batto oLthe soil specin 0 0.1 023 04 03 06 7 08 09 10 Degree of eomsolidasion,U Example: Degree of consolidation Dense sand and gravel The proposed sand fill is 3...
The ground profile of a construction site consists of a 3 m thick layer of sand...
The ground profile of a construction site consists of a 3 m thick layer of sand followed by a 2 m thick layer of clay lying on impervious bedrock. The water table is at a depth of 2 m below the ground surface. The sand has a dry unit weight of 16 kN/m3 and a saturated unit weight of 18 kN/m3. The capillary rise in the sand is 0.5 m. The clay has a bulk unit weight of 19 kN/m3....
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)...
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
A soil profile consisting of 3 layers is shown in Fig. 3. Answer the following V. questions: (20 pts) Layer 1 HI-5 m, e-0.7, Gs 2.69 H2-8 m, e=0.55, Gs 2.70 H3 3 m, w-38%; e=1.2 H Groundwater Layer 2 Layer 3 Dry sand Sand Clay Rock Fig. 3 u, and o at points A, B, C and D. and plot Calculate the values of o 1. the variations of o ,u, and o with depth. (10 pts) Calculate the...
Q2. A borehole at a site reveals the soil profile shown in Figure 2. Plot the distribution of vertical total and effective stresses with depth. Assume pore air pressure is zero and the pore-water pressure due to capillarity is negative as shown in Figure 3 Elevation (m) Very fine wet sand with silt w=596, S = 40% Fine sand saturated by capillary action Fine sand, 12% 2.0 5.4 Soft blue clay, w= 28% 20.6 Figure 2 Soil Porewater pressure distribution
A soil profile is shown below. The soil sample is taken from depth of 11m, a) Is it OC or NC soil? b) If it is loaded with A6= 28 t/m2 calculate the settlement of clay layer. For sand Ydry = 1.75 t/m and Ysat = 2.0 t/m3 For clay Xsat = 1.9 t/m3 6'o+A6 SC 6'o+A6 CsH Сен -log 1+ Sc log 087645) 610 1+eo 610 Sc CH 1+0 -log 6) + CCH 1+ -log (9729) 610 Sand 5m...
For the soil profile shown below, calculate the final settlement due to the placement of the sand fill. Estimate the excess pore pressure at a depth of 1.5 m into the third clay layer 1.5 years after the fill is placed. Assume the coefficient of consolidation is Cv = 1.8 m2/yr. Fill y = 16.0 kN/m² (3m thick) Clay 1 (3m thick) Sand (0.5m thick) Clay 2 (2m thick) Sand (0.5m thick) Clay 3 (4m thick) Sand (0.5m thick) eo...
(4). (8 pts). A soil profile is shown in below Figure. A uniformly distributed load Ao is applied at the surface of soil. Given the preconsolidation pressure is between swell index and compression index is: C C/6. The unit weight of water is: -9.38 kN/m. If U-98% we regard it as a completion of primary consolidation. We have taken the clay sample and done the Atterberg Limit test. For the liquid limit test, the result is as below. Please ơ'-926...
A high-rise structure is to be built over the soil profile shown below. The proposed rectangular foundation footprint is 20 m x 40 m and is uniformly loaded with 800 kPa. A piezometer was installed in the ground directly below the center of the foundation at a depth of 10 m (below the ground surface) prior to construction to monitor pore water pressure. Using a unit weight of water equal to 10 kN/m], answer questions 6, 7, 8, 9, 10,...
Variation of U, with T, and z/Hdr Proposed fill y 19.2 kN/m3 3,0 m 0 Compressibility of Soil teh 2.0 Y -18.5 kN/m3-; 1.5m-U Fine to medium sand (SP) 2.0 m 2 1.5 0.7 0.8 3.0 m 0.9 4.0m Soft clay (CL) γ 16.0 kN/m3 0.5 10.0m (4 3 batto oLthe soil specin 0 0.1 023 04 03 06 7 08 09 10 Degree of eomsolidasion,U Example: Degree of consolidation Dense sand and gravel The proposed sand fill is 3...
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)...
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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