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Solve the following problems. 1. Calculate initial stresses (total stress, porewater pressure, effective stress) and Induced...
DO QUESTION TWO ( 2 ) all parts following table. Specimen Effective NormalShear Stress at Failure Stress (psf(psf)...
DO QUESTION TWO ( 2 ) all parts
following table. Specimen Effective NormalShear Stress at Failure Stress (psf(psf) 500 1000 2000 385 750 1510 1. Interpretation of direct shear test results (7 pts) Plot the three data points (A, B, and C) and determine the effective stress friction angle, If you decide to perform another test with an effective normal stress of 1500 psf, what do you predict the shear stress at failure will be? a. for the soil. b....
1.0 m GWTI 3) Calculate the total vertical stress (Cz), porewater pressure (u) and effective vertical...
1.0 m GWTI 3) Calculate the total vertical stress (Cz), porewater pressure (u) and effective vertical stress (o'z) at point A, when groundwater level is; a) at GWT-I b) at GWT-TI Soft Clay (CL) Y-16 kN/m Ysat = 18 kN/m 2.0 m GWTII Silty Sand (SM) Y-18 kN/m Ysa - 19.5 EN/m II I. Medium Clay (CH) x= 17 kN/m Ysat = 19 kN/m 1.5 m A.
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)...
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...
3-1 Calculate the effective stress at points c and d in the example problem of Fig....
3-1 Calculate the effective stress at points c and d in the example problem of Fig. 53-1 (e = 0.7). Change the water height in the tube from 6 m to 3 m. (G = 2.65) Figure 53-1 ---LV ---WATER DRAIN 12 m. Water -- SCREEN --SCREEN, DATUM Example Problem following table. Find the pressure head at point c by completing the Pressure Head Elevation Head Total Head (h) Point
2 m Dry sand G,-2.68 に0.6 Groundwater table Calculate The total stress, pore water pressure, and effective stress at p...
2 m Dry sand G,-2.68 に0.6 Groundwater table Calculate The total stress, pore water pressure, and effective stress at points A, B, C, and D Cl ay e 0.9
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated...
10. Write a one-page summary of the attached paper? INTRODUCTION Many problems can develop in activated sludge operation that adversely affect effluent quality with origins in the engineering, hydraulic and microbiological components of the process. The real "heart" of the activated sludge system is the development and maintenance of a mixed microbial culture (activated sludge) that treats wastewater and which can be managed. One definition of a wastewater treatment plant operator is a "bug farmer", one who controls the aeration...
DO QUESTION TWO ( 2 ) all parts
following table. Specimen Effective NormalShear Stress at Failure Stress (psf(psf) 500 1000 2000 385 750 1510 1. Interpretation of direct shear test results (7 pts) Plot the three data points (A, B, and C) and determine the effective stress friction angle, If you decide to perform another test with an effective normal stress of 1500 psf, what do you predict the shear stress at failure will be? a. for the soil. b....
1.0 m GWTI 3) Calculate the total vertical stress (Cz), porewater pressure (u) and effective vertical stress (o'z) at point A, when groundwater level is; a) at GWT-I b) at GWT-TI Soft Clay (CL) Y-16 kN/m Ysat = 18 kN/m 2.0 m GWTII Silty Sand (SM) Y-18 kN/m Ysa - 19.5 EN/m II I. Medium Clay (CH) x= 17 kN/m Ysat = 19 kN/m 1.5 m A.
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)...
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...
3-1 Calculate the effective stress at points c and d in the example problem of Fig. 53-1 (e = 0.7). Change the water height in the tube from 6 m to 3 m. (G = 2.65) Figure 53-1 ---LV ---WATER DRAIN 12 m. Water -- SCREEN --SCREEN, DATUM Example Problem following table. Find the pressure head at point c by completing the Pressure Head Elevation Head Total Head (h) Point
2 m Dry sand G,-2.68 に0.6 Groundwater table Calculate The total stress, pore water pressure, and effective stress at points A, B, C, and D Cl ay e 0.9
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