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The top 500 mm of a site consists of a clayey sand with void ratio of...
Problem 7 The soil profile at a site consists of a top 4 m layer of...
Problem 7 The soil profile at a site consists of a top 4 m layer of dense sand followed by 2 m of clay, which is underlain by a stiff stratum. The water table is at 2 m below the ground level. The following data was obtained from a consolidation test on an undisturbed sample obtained from the middle of the clay layer: water content 5 36%, specific gravity of the clay grains = 2.72, compression index = 0.72, recompression...
8.33. A site consists of uniform medium sand with 5% fine content (D5o = 1.4 mm)....
8.33. A site consists of uniform medium sand with 5% fine content (D5o = 1.4 mm). The thickness of this sand layer is 12 m from the ground surface. The minimal and maximum void ratio values are 0.45 and 0.98, respectively. The groundwater table is at 1.5 m from the ground surface. The unit weights of the sand above and below the groundwater table are 18 kN/m² and 19 kN/mº, respectively. The SPT N60 value at a depth of 6.0...
A site is underlain by two layers of normally consolidated clayey sand. The unit weights of...
A site is underlain by two layers of normally consolidated clayey sand. The unit weights of the top layer are 19 and 21 kN/m3 and the layer is 6 meters thick. The unit weights of the bottom layer are 20 and 22 kN/m3 and the layer is 8 meters thick. Below the bottom layer lies bedrock. The water table is located 2 meters below the ground surface. The top layer soil has an effective stress friction angle of 38 degrees,...
Example 2:3 The soil profile at a site consists of a 3 m thick sand layer...
Example 2:3 The soil profile at a site consists of a 3 m thick sand layer (Ybulk -16.5 kN/m3 sat18.5 kN/m3) underlain by a 6 m thick clay layer (w-27%, Gs-270, m,-0.31 MPa", cv-2.6 m2/year), which is underlain by a gravel layer. A 3 m compacted fill with a unit weight of 20 kN/m3 is to be placed at ground level. a. What would be the final consolidation settlement? b. How long will it take for 50 mm of consolidation...
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...
[Problems 1-4] The soil profile at a site for a proposed office building consists of a...
[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...
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 watertable is at a depth of 2 m below the ground surface. The sand has a dry unit weight of 16 kN/m and a saturated unit weight of 18 kN/m3. The capillary rise in sand is 0.5 m. The clay has a bulk unit weight of 19 kN/m 1. One...
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....
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...
Homework #10 A soil exploration result of a site is shown in the following figure. A...
Homework #10 A soil exploration result of a site is shown in the following figure. A building is to be constructed at that site. First, it has been proposed to raise the elevation of the ground by filling the site with 10 ft thick compacted soil at an area of 25 ft x 25 ft. The unit weight of the compacted moist soil was 120 pcf. The foundation of proposed building was constructed at the center of the compaction area...
Problem 7 The soil profile at a site consists of a top 4 m layer of dense sand followed by 2 m of clay, which is underlain by a stiff stratum. The water table is at 2 m below the ground level. The following data was obtained from a consolidation test on an undisturbed sample obtained from the middle of the clay layer: water content 5 36%, specific gravity of the clay grains = 2.72, compression index = 0.72, recompression...
8.33. A site consists of uniform medium sand with 5% fine content (D5o = 1.4 mm). The thickness of this sand layer is 12 m from the ground surface. The minimal and maximum void ratio values are 0.45 and 0.98, respectively. The groundwater table is at 1.5 m from the ground surface. The unit weights of the sand above and below the groundwater table are 18 kN/m² and 19 kN/mº, respectively. The SPT N60 value at a depth of 6.0...
Example 2:3 The soil profile at a site consists of a 3 m thick sand layer (Ybulk -16.5 kN/m3 sat18.5 kN/m3) underlain by a 6 m thick clay layer (w-27%, Gs-270, m,-0.31 MPa", cv-2.6 m2/year), which is underlain by a gravel layer. A 3 m compacted fill with a unit weight of 20 kN/m3 is to be placed at ground level. a. What would be the final consolidation settlement? b. How long will it take for 50 mm of consolidation...
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...
[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...
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 watertable is at a depth of 2 m below the ground surface. The sand has a dry unit weight of 16 kN/m and a saturated unit weight of 18 kN/m3. The capillary rise in sand is 0.5 m. The clay has a bulk unit weight of 19 kN/m 1. One...
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...
Homework #10 A soil exploration result of a site is shown in the following figure. A building is to be constructed at that site. First, it has been proposed to raise the elevation of the ground by filling the site with 10 ft thick compacted soil at an area of 25 ft x 25 ft. The unit weight of the compacted moist soil was 120 pcf. The foundation of proposed building was constructed at the center of the compaction area...
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