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Q4: Consider the soil profile shown in Figure 9.26 a. Caleulate the variatioas oo,, and oat...
Chapter1 in Stu Stresses 326 Layer 2 Layer s n, 2i Figure 9.25 Thicknes Layer so. Problen H, -7ft 9.1 у,-110 Mt, H-...
Chapter1 in Stu Stresses 326 Layer 2 Layer s n, 2i Figure 9.25 Thicknes Layer so. Problen H, -7ft 9.1 у,-110 Mt, H-12 H,6f H,-5m -121 Jbvt e-07: G.-259 9.2 -8m e-0.55;G,-27 -3m H-6m H, 25m 9.3 -16kN/m 9.4 Consider the soil protile in Problem 9.2. What is the change in etlective stress at point C if a. the water table drops by 2 m? h. the water table rises to the surface up to point A? e. the water...
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
soil Q4) From the figure and soil profile as below find the following: 1) the final...
soil
Q4) From the figure and soil profile as below find the following: 1) the final consolidation for clay layer under the center of bridge pier as shown below. use the approximate method to calculate the increasing stress in soil. 2) the coefficient of volume compressibility (mv) of clay layer. mass=2x106 kg footing=10m x 8m y=16.62kN/m3 3m 2m 7m 10m Sand and graver Ysat.=19.8kN/m Clay Cc=0.33,w=30%, Gs=2.7, Ysat.=19.8kN/m3 sand and gravel 4m
soil mechanics Q4) From the figure and soil profile as below find the following: 1) the...
soil mechanics
Q4) From the figure and soil profile as below find the following: 1) the final consolidation for clay layer under the center of bridge pier as shown below. use the approximate method to calculate the increasing stress in soil. 2) the coefficient of volume compressibility (mv) of clay layer. mass= 2*106 kg footing =10m x 8m 3m y=16.62kN/m3 2m They WT 7m 10m Sand and graver Ysat=19.8kN/m3 Clay Cc=0.33,w=30%,Gs=2.7, Ysat=19.8kN/m3 sand and gravel 4m
Problem 1 Ground Surface A soil profile is shown to the right. The groundwater table is...
Problem 1 Ground Surface A soil profile is shown to the right. The groundwater table is located 15 feet below ground. Calculate the total stress, pore water pressure and effective stress in the vertical and horizontal direction at points a, b, and c located Coarse Sand -120 lb/ft Ko 0.4 %at: 125 lb/ft3 a) 15, b) 40, and c) 58 feet below the ground surface. Stiff Clay = 110 lb/ft3 %at 115 lb/ft3 Ko= 1.3 58 Limestone Bedrock
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
YUUID 16.3 The soil profile at a site is shown in Figure P16.3. Find the total...
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)
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...
2.) THE SOIL PROFILE SHOWS CONSISTS OF A LAYER OF DRY SAND 4m HICK WHICH OVERLIES...
2.) THE SOIL PROFILE SHOWS CONSISTS OF A LAYER OF DRY SAND 4m HICK WHICH OVERLIES A LAYER OF CLAY HAVING A THICKNESS OF 6m. GROUND WATER TABLE IS LOCATED AT THE INTERFACE OF THE SAND AND CLAY a.) COMPUTE THE EFFECTIVE STRESS AT THE BOTTOM OF THE CLAY LAYER b..) IF THE WATER TABLE RISES BY 2m, DETERMINE THE EFFECTIVE STRESS AT THE BOTTOM OF THE CLAY LAYER c.) IF THE WATER TABLE LOWERS BY 2m, DETERMINE THE EFFECTIVE...
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...
Chapter1 in Stu Stresses 326 Layer 2 Layer s n, 2i Figure 9.25 Thicknes Layer so. Problen H, -7ft 9.1 у,-110 Mt, H-12 H,6f H,-5m -121 Jbvt e-07: G.-259 9.2 -8m e-0.55;G,-27 -3m H-6m H, 25m 9.3 -16kN/m 9.4 Consider the soil protile in Problem 9.2. What is the change in etlective stress at point C if a. the water table drops by 2 m? h. the water table rises to the surface up to point A? e. the water...
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
soil
Q4) From the figure and soil profile as below find the following: 1) the final consolidation for clay layer under the center of bridge pier as shown below. use the approximate method to calculate the increasing stress in soil. 2) the coefficient of volume compressibility (mv) of clay layer. mass=2x106 kg footing=10m x 8m y=16.62kN/m3 3m 2m 7m 10m Sand and graver Ysat.=19.8kN/m Clay Cc=0.33,w=30%, Gs=2.7, Ysat.=19.8kN/m3 sand and gravel 4m
soil mechanics
Q4) From the figure and soil profile as below find the following: 1) the final consolidation for clay layer under the center of bridge pier as shown below. use the approximate method to calculate the increasing stress in soil. 2) the coefficient of volume compressibility (mv) of clay layer. mass= 2*106 kg footing =10m x 8m 3m y=16.62kN/m3 2m They WT 7m 10m Sand and graver Ysat=19.8kN/m3 Clay Cc=0.33,w=30%,Gs=2.7, Ysat=19.8kN/m3 sand and gravel 4m
Problem 1 Ground Surface A soil profile is shown to the right. The groundwater table is located 15 feet below ground. Calculate the total stress, pore water pressure and effective stress in the vertical and horizontal direction at points a, b, and c located Coarse Sand -120 lb/ft Ko 0.4 %at: 125 lb/ft3 a) 15, b) 40, and c) 58 feet below the ground surface. Stiff Clay = 110 lb/ft3 %at 115 lb/ft3 Ko= 1.3 58 Limestone Bedrock
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
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)
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...
2.) THE SOIL PROFILE SHOWS CONSISTS OF A LAYER OF DRY SAND 4m HICK WHICH OVERLIES A LAYER OF CLAY HAVING A THICKNESS OF 6m. GROUND WATER TABLE IS LOCATED AT THE INTERFACE OF THE SAND AND CLAY a.) COMPUTE THE EFFECTIVE STRESS AT THE BOTTOM OF THE CLAY LAYER b..) IF THE WATER TABLE RISES BY 2m, DETERMINE THE EFFECTIVE STRESS AT THE BOTTOM OF THE CLAY LAYER c.) IF THE WATER TABLE LOWERS BY 2m, DETERMINE THE EFFECTIVE...
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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