Q2. A borehole at a site reveals the soil profile shown in Figure 2. Plot the...
A soil profile consists of a clay layer underlain by a sand layer, as shown in figure. If a tube is inserted into the bottom sand layer and the water level rises to 1m above the ground surface, determined the vertical effective stresses and porewater pressures at A, B, and C. if ko is 0.5, determine the effective and total lateral stresses at A, B, and C. what is the value of the value of the porewater pressure at A...
6.19 Plot the distribution of total stress, effective stress, and porewater pressure with depth for the soil profile shown in Figure P6.19. Neglect capillary action and pore air pressure. sand30. GWL 5 ft w= 28% Figure P6.19
Question 5 (Effective Stress & Consolidation) Figure 05 shows the soil profile of a construction site. The water table is at the ground surface. Saturated unit weight of the sand is 18.8kN/m' and that of the clay is 19.6kN/m. Assume permeability of the clay is very low and unit weight of water is 10kN/m'. Water Table Sand 5m Clay 6m Figure 05 a) Determine the vertical total stress, pore water pressure, and vertical effective stress at the mid-height of the...
YUUID 16.3 The soil profile at a site is shown in Figure P16.3. Find the total horizontal normal stresses at A and B, assuming at-rest conditions. GI 2 m 3 m Sand (y = 16.5 kN/m2; k, = 0.45) • A GWL 4 m Clay (Ysat = 19.0 kN/m°: K = 0.55)
[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...
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
A, B and C. Assume (a) For the soil profile shown below, determine the effective stress at points (b If the effective grain size of the silt is D -o 02 mm estimate the maximum height of capillary all of tho silt above the GWT is moist but not saturated. rise in the silt in units of feet. Soil Surface Clean Coarse118 lb/t Sand 22 lb/t 7 ft ds203 b/t ?'c = 4 3 20.11 lb/ft2 hc = 13 ft...
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...
Referring to below borehole log. Referring specifically to information provided on the borehole log- Would this borehole lend itself to standard methods of construction for a large wastewater treatment plant? What geotechnical aspects might you need to consider during design and construction phases? [20 Figure 2 Borehole log Holst Soil Engineering Limited Borehole No BOREHOLE LOG Location. Davyhulse Sewage Worke. ST 79 NE - 287 Sheet 1 of 2 5253 964.95 Ground Level 20.23 A.0.D. Contract No . 3256 Client...
Figure P3 shows the soil profile at a site for a proposed office building. It is expected that the vertical stress at the top of the clay will increase by 150 kPa and at the bottom by 90 kPa. Assurning a linear stress distribution within the clay: (a) Calculate the consolidation settlement. You should divide the clay into five layers, compute the settlement for each layer, and then find the total settlement. Assume G = 2.7 for both sand and...