Calculate the magnitude and position (above the wall base) of the resultant active thrust denoted Pa....
Calculate the magnitude and position (above the wall base) of the resultant active thrust denoted Pa. Wall has a smooth vertical back and supports a 12m depth of soil
Surface horizontal: uniform surcharge q= 24 kPa, single layer.
Water table at the top surface
c' =0.
Φ'=32 degrees
γsat =20 kN/m3
Homework Answers
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Calculate the magnitude and position (above the wall base) of
the resultant active thrust denoted Pa....
I hope this image is now clear please Determine the magnitude and position of active thrust...
I hope this image is now clear please
Determine the magnitude and position of active thrust and
passive thrust on the embedded wall in the following conditions
(consider Passive and active horizontal stresses)
solving for Pa for every shape in the active side as shown and
Za, using letters no numbers, and the Pp and Zp at the passive side
also for every shape.
Both soil layers have cohesion, and angle of friction, soil 2 is
saturated as shown from...
6-12 Use Coulomb's method to determine the magnitude and direction of the total lateral force against...
6-12 Use Coulomb's method to determine the magnitude and direction of the total lateral force against the retaining wall of problem 6-5. Assume the friction angle between the wall and the soil to be 2/3*phi. Make one trial only, using an assumed failure surface at an angle of 60 degrees from horizontal. Problem 6-5 is: Use Rankine's method to determine the magnitude and location of the resultant active force against a retaining wall 6 m high. There is a water...
(a) Determine and draw the lateral pressure distribution (active hydrostatic) acting on the smooth wall shown...
(a) Determine and draw the lateral pressure distribution (active hydrostatic) acting on the smooth wall shown in Figure 2. The water table is at the interface of the soil layers. (8 marks) Soil 1: c'0 kPa, ' 32 y 16 kN/m 2 m 4 m Soil 2: c'-5 kPa, 30° Yet20 kN/m3 Figure 2 (b) In Figure 3 below, the L-shaped area carries a 200 kN/m2 uniform load. Determine the vertical stress increase due to the loading at a depth...
1. A retaining wall of height 7 m retains soil having an unsurcharged horizontal surface. The...
1. A retaining wall of height 7 m retains soil having an unsurcharged horizontal surface. The soil properties are c' = 0, Ⓡ' = 32, y = 18 kN/m3 and Ysat= 20 kN/m3. i. ii. Determine the distribution of horizontal stresses on the wall and the magnitude of resultant thrust when water table is at 3 m below the ground surface Determine the magnitude of resultant thrust when the water table is well below the base of the wall Determine...
A retaining wall with a smooth vertical back has to retain a backfill of cohesionless soil...
A retaining wall with a smooth vertical back has to retain a backfill of cohesionless soil upto a height f St above ground level. The.coil has a void ratio of 0.83 and the specific gravity of soil solids is 2.68.The water table is located at a depth of 2m below the top of the backfill. The soil above the water table is 20% saturated. The angle of internal friction of the soil above and below water table is 32 and...
16.7 Determine the magnitude and the location of the active thrust on the smooth vertical wall...
16.7 Determine the magnitude and the location of the active thrust on the smooth vertical wall shown in Figure P16.7, assuming that the entire backfill is in the active state. 4.0 m Sand y = 16.5 kN/m?: ' = 34 3.0 m Silty sand y = 16.5 kN/m: ' = 36°
7. a) A 10 m high retaining wall supports a fully drained clay soil with a...
7. a) A 10 m high retaining wall supports a fully drained clay soil with a horizontal surface. The soil properties are: y = 18 kN/m²: =25° and c=4 kN/m2. Sketch the distribution of lateral earth pressure acting on the back of the wall, showing all salient values and the depth of the tension zone. Use Rankine's formula as expressed in familiar symbols below Pa = Kath-2c'tan 45º - (10 marks) (b) Determine the horizontal active thrust on the 7.5...
A 4m high, vertical retaining wall supports Silty SAND backfill with a horizontal surface. There is...
A 4m high, vertical retaining wall supports Silty SAND backfill with a horizontal surface. There is a hydrostatic horizontal water table at 1 m below the ground surface. The soil has bulk unit weight = 20 kN/m3, effective cohesion=5 kPa, and friction angle= 30o. What is the value of the water force on the wall? At what distance above the base of the wall does it act?
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,...
5) (25 points) A sheet pile wall is constructed as shown in the figure. Groundwater m...
5) (25 points) A sheet pile wall is constructed as shown in the figure. Groundwater m below the ground surface Soil properties for clay: c' Soil properties for sand:4, 10 kPa, φ,-26", and γ = 18 kN/㎡ 32°, and -20 kNm? a. 20 points) Plot active and passive lateral earth pressures on both si b. (5 points) Calculate the passive horizontal force acting on the wall. 20 kN/m2 clay sand 2 m wall
I hope this image is now clear please
Determine the magnitude and position of active thrust and
passive thrust on the embedded wall in the following conditions
(consider Passive and active horizontal stresses)
solving for Pa for every shape in the active side as shown and
Za, using letters no numbers, and the Pp and Zp at the passive side
also for every shape.
Both soil layers have cohesion, and angle of friction, soil 2 is
saturated as shown from...
(a) Determine and draw the lateral pressure distribution (active hydrostatic) acting on the smooth wall shown in Figure 2. The water table is at the interface of the soil layers. (8 marks) Soil 1: c'0 kPa, ' 32 y 16 kN/m 2 m 4 m Soil 2: c'-5 kPa, 30° Yet20 kN/m3 Figure 2 (b) In Figure 3 below, the L-shaped area carries a 200 kN/m2 uniform load. Determine the vertical stress increase due to the loading at a depth...
1. A retaining wall of height 7 m retains soil having an unsurcharged horizontal surface. The soil properties are c' = 0, Ⓡ' = 32, y = 18 kN/m3 and Ysat= 20 kN/m3. i. ii. Determine the distribution of horizontal stresses on the wall and the magnitude of resultant thrust when water table is at 3 m below the ground surface Determine the magnitude of resultant thrust when the water table is well below the base of the wall Determine...
A retaining wall with a smooth vertical back has to retain a backfill of cohesionless soil upto a height f St above ground level. The.coil has a void ratio of 0.83 and the specific gravity of soil solids is 2.68.The water table is located at a depth of 2m below the top of the backfill. The soil above the water table is 20% saturated. The angle of internal friction of the soil above and below water table is 32 and...
16.7 Determine the magnitude and the location of the active thrust on the smooth vertical wall shown in Figure P16.7, assuming that the entire backfill is in the active state. 4.0 m Sand y = 16.5 kN/m?: ' = 34 3.0 m Silty sand y = 16.5 kN/m: ' = 36°
7. a) A 10 m high retaining wall supports a fully drained clay soil with a horizontal surface. The soil properties are: y = 18 kN/m²: =25° and c=4 kN/m2. Sketch the distribution of lateral earth pressure acting on the back of the wall, showing all salient values and the depth of the tension zone. Use Rankine's formula as expressed in familiar symbols below Pa = Kath-2c'tan 45º - (10 marks) (b) Determine the horizontal active thrust on the 7.5...
5) (25 points) A sheet pile wall is constructed as shown in the figure. Groundwater m below the ground surface Soil properties for clay: c' Soil properties for sand:4, 10 kPa, φ,-26", and γ = 18 kN/㎡ 32°, and -20 kNm? a. 20 points) Plot active and passive lateral earth pressures on both si b. (5 points) Calculate the passive horizontal force acting on the wall. 20 kN/m2 clay sand 2 m wall
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