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6. A slope has the following parameters. H-6 m, β = 18.43°, φ= 200, C-6 kPa γ-20kN/m" The water t...
Problem 2 Active c = 0 kPa φ = 30° γ = 17 kN/m2 8 m...
Problem 2 Active c = 0 kPa φ = 30° γ = 17 kN/m2 8 m Passive 3m c=0kPa φ-300 γ = 17 kN/m? Calculate the normal and shear forces acting on passive and active sides, when there is no ground water table. (look at active side and passive side separately) Note: Use Rankine theory to calculate Ka and K
A 6 m deep slope is going to be excavated in a deep soil deposit. The...
A 6 m deep slope is going to be excavated in a deep soil
deposit. The geometry of the slope is shown in
the following figure. Assume. The soil has the following
properties:
t = 20 kN/m3, cu = 20 kPa, = 5o
Water table is well below the toe of the embankment.
(a) Calculate the slope batter angle, , for which slope failure
would occur.
(b) Assume a slope batter angle of ranging from 40o to 60o...
Please 7. As shown below, a cantilever type of retaining wall of 7.3 m high with two soil layers behin d the wall. The following parameters can be used: (i) soil l: c-0, φ-40° and γ-17 kNm3; (ii) soi...
Please
7. As shown below, a cantilever type of retaining wall of 7.3 m high with two soil layers behin d the wall. The following parameters can be used: (i) soil l: c-0, φ-40° and γ-17 kNm3; (ii) soil 2: c-5 kN m 2, ф-35° andy-20 kN/m3; Assume a reduction factor k ,2/3 to comsider the cohesion and rietion angle at the base slaby the unit wecight of concrete be assumed to be 23.5 kN/m3. Calculate the factors of safety...
A 6 m deep slope is going to be excavated in a deep soil deposit. The geometry of the slope is shown in the following fi...
A 6 m deep slope is going to be excavated in a deep soil
deposit. The geometry of the slope is shown in the following
figure. Assume. The soil has the following
properties:
yt = 19
kN/m3,
cu = 20
kPa,
u = 0o
R = 10
m,
AB = 2 m
Water table is well below the toe of the embankment. Note:
only a is a variable input.
Find the net area and the centroid of this net area...
Geomechanics (b) Figure 1 shows a water retaining embankment with a slope of 1:2 (vertical kN/m'....
Geomechanics
(b) Figure 1 shows a water retaining embankment with a slope of 1:2 (vertical kN/m'. The clay soil has an undrained cohesion of 30 kPa and a saturated unit weight of i18 following information is given: Area FBDE-42m2 (above water level) Centroidal distance dA-13m Area AED 144m2 (below water level) Centroidal distance, ds -4.5m Angle AOF-83 Radius of circular slip plane, R- 22.5m (i) Determine the total disturbing moment by considering the forces Wa Ws and Pw (Gfi) Determine...
5-30 Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 30 m/s and leaves...
5-30 Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 30 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 80 cm². Determine (a) the mass flow rate through the nozzle, (b) the exit temperature of the air, and (c) the exit area of the nozzle. Answers: (a) 0.5304 kg/s, (b) 184.6°C, (c) 38.7 cm P = 300 kPa T, = 200°C Vi = 30 m/s A = 80 cm AIR...
Water at T = 25°C is drawn from an underground detention tank and discharged into a...
Water at T = 25°C is drawn from an underground detention tank and discharged into a drain using a 6-m-long pipe and pump (Figure 1). The pipe has a diameter of 100 mm and a friction factor of f = 0.02. The atmospheric pressure is 101.3 kPa. The velocity through the pipe is 4 m/s and h = 4 m Neglect minor losses. Part A Determine the available NPSH. Express your answer using three significant figures. IVO ALP O vec...
6. Practice with units: a. An aquarium has a capacity (volume) of 200 gallons. The aquarium...
6. Practice with units: a. An aquarium has a capacity (volume) of 200 gallons. The aquarium owner has a hose for emptying the tank that has a cross section area of 2 inch. If the owner moves water through the hose at a velocity of 1.5 ft/s, how long will it take to drain the aquarium in minutes? Show all work for full credit. b. Determine the unit of y that makes the piezometric head (H) expression consistent in base...
H=6 m Clay e0-1.1 Bedrock 2- Details of a rei draina nforced concrete cantilever retaining wall...
H=6 m Clay e0-1.1 Bedrock 2- Details of a rei draina nforced concrete cantilever retaining wall are shown in the following figure. Due to inadequate the soi front of the wall ge the water table has risen to the level indicated. Assuming the angle of friction between base of the wall l to be ( )?, determine factor of safety against overturning and sliding. Neglect passive pressure in l9 400 psf Yconcrete 150 pcf, Ydry 108 pcf, Ysat 130 pcf...
1)For activity H – Attach the back, what is/are the predecessor(s)? Choose all that apply. C...
1)For activity H – Attach the back, what is/are the
predecessor(s)? Choose all that apply. C D I H G F E
2)Draw your project network diagram based on the information
provided. Based on your network diagram, what is (are) the
successor node(s) for activity E? Choose all that apply. I C F G H
D
3)What are the critical activities (with zero slack time) for this
project? Choose all that apply. Choose all that apply. G H B A...
Problem 2 Active c = 0 kPa φ = 30° γ = 17 kN/m2 8 m Passive 3m c=0kPa φ-300 γ = 17 kN/m? Calculate the normal and shear forces acting on passive and active sides, when there is no ground water table. (look at active side and passive side separately) Note: Use Rankine theory to calculate Ka and K
A 6 m deep slope is going to be excavated in a deep soil
deposit. The geometry of the slope is shown in
the following figure. Assume. The soil has the following
properties:
t = 20 kN/m3, cu = 20 kPa, = 5o
Water table is well below the toe of the embankment.
(a) Calculate the slope batter angle, , for which slope failure
would occur.
(b) Assume a slope batter angle of ranging from 40o to 60o...
Please
7. As shown below, a cantilever type of retaining wall of 7.3 m high with two soil layers behin d the wall. The following parameters can be used: (i) soil l: c-0, φ-40° and γ-17 kNm3; (ii) soil 2: c-5 kN m 2, ф-35° andy-20 kN/m3; Assume a reduction factor k ,2/3 to comsider the cohesion and rietion angle at the base slaby the unit wecight of concrete be assumed to be 23.5 kN/m3. Calculate the factors of safety...
A 6 m deep slope is going to be excavated in a deep soil
deposit. The geometry of the slope is shown in the following
figure. Assume. The soil has the following
properties:
yt = 19
kN/m3,
cu = 20
kPa,
u = 0o
R = 10
m,
AB = 2 m
Water table is well below the toe of the embankment. Note:
only a is a variable input.
Find the net area and the centroid of this net area...
Geomechanics
(b) Figure 1 shows a water retaining embankment with a slope of 1:2 (vertical kN/m'. The clay soil has an undrained cohesion of 30 kPa and a saturated unit weight of i18 following information is given: Area FBDE-42m2 (above water level) Centroidal distance dA-13m Area AED 144m2 (below water level) Centroidal distance, ds -4.5m Angle AOF-83 Radius of circular slip plane, R- 22.5m (i) Determine the total disturbing moment by considering the forces Wa Ws and Pw (Gfi) Determine...
5-30 Air enters an adiabatic nozzle steadily at 300 kPa, 200°C, and 30 m/s and leaves at 100 kPa and 180 m/s. The inlet area of the nozzle is 80 cm². Determine (a) the mass flow rate through the nozzle, (b) the exit temperature of the air, and (c) the exit area of the nozzle. Answers: (a) 0.5304 kg/s, (b) 184.6°C, (c) 38.7 cm P = 300 kPa T, = 200°C Vi = 30 m/s A = 80 cm AIR...
Water at T = 25°C is drawn from an underground detention tank and discharged into a drain using a 6-m-long pipe and pump (Figure 1). The pipe has a diameter of 100 mm and a friction factor of f = 0.02. The atmospheric pressure is 101.3 kPa. The velocity through the pipe is 4 m/s and h = 4 m Neglect minor losses. Part A Determine the available NPSH. Express your answer using three significant figures. IVO ALP O vec...
6. Practice with units: a. An aquarium has a capacity (volume) of 200 gallons. The aquarium owner has a hose for emptying the tank that has a cross section area of 2 inch. If the owner moves water through the hose at a velocity of 1.5 ft/s, how long will it take to drain the aquarium in minutes? Show all work for full credit. b. Determine the unit of y that makes the piezometric head (H) expression consistent in base...
H=6 m Clay e0-1.1 Bedrock 2- Details of a rei draina nforced concrete cantilever retaining wall are shown in the following figure. Due to inadequate the soi front of the wall ge the water table has risen to the level indicated. Assuming the angle of friction between base of the wall l to be ( )?, determine factor of safety against overturning and sliding. Neglect passive pressure in l9 400 psf Yconcrete 150 pcf, Ydry 108 pcf, Ysat 130 pcf...
1)For activity H – Attach the back, what is/are the
predecessor(s)? Choose all that apply. C D I H G F E
2)Draw your project network diagram based on the information
provided. Based on your network diagram, what is (are) the
successor node(s) for activity E? Choose all that apply. I C F G H
D
3)What are the critical activities (with zero slack time) for this
project? Choose all that apply. Choose all that apply. G H B A...
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