Homework Answers
Please rate the answer positive and ask if you have any doubt in comment section.
Add Answer to:
Q.3. A flow net is shown below for a concrete spillway. Assume all elements of the...
Using a flow net, (a) Determine the maximum exit gradient for the seepage conditions; (b) If...
Using a flow net,
(a) Determine the maximum exit gradient for the seepage
conditions;
(b) If the silty sands have a saturated unit weight of 115.0
lb/ft3, calculate the FOS against piping;
(c) Calculate the FOS against heave;
(d) Is the FOS against piping and heave adequate?
105 ft EL 260.3 ft Concrete Spillway Reservoir EL 190.0 ft EL 200.3 ft EL 180.0 ft Aquifer ▼EL 150.0 ft k = 0.01 cm/s EL 105.0 ft Impervious Layer
(1) The flow net with approximate square cells for a concrete dam is shown. The silt...
(1) The flow net with approximate square cells for a concrete dam is shown. The silt has a hydraulic conductivity of 0.2 ft hr. (a) What is the approximately seepage rate (ft/hr/ft)? (b) What are the total head (hr), elevation head (he), and pressure head (h) at points A and B h e (ft) he (ft) hrift) Point A (2) The flow net with approximate square cells for a single sheet pile is shown as below. The hydraulic conductivity of...
Problem 13 a. Draw the flow net for the dam shown below (datum is at the...
Problem 13 a. Draw the flow net for the dam shown below (datum is at the 54 ft bedrock-soil interface). The dam has a 36-ft sheet pile driven into the granular soil layer. Redraw the schematic to scale. Use solid 24 ft 21 ft lines to indicate flow lines and dashed lines to indicate Soil equipotential lines. b. Calculate the rate of seepage at 36 ft the exit of the dam in ft/day per 60 ft Sheet pile unit width...
3. The flow net shown below illustrates flow conditions beneath a concrete dam featuring an upstream...
3. The flow net shown below illustrates flow conditions beneath a concrete dam featuring an upstream "clay blanket" (an impermeable clay layer) and a downstream "cutoff wall", both of which serve to lengthen the flow path. The coefficient of permeability, k, of the permeable strata is 8 x 10 cm/s. a. Calculate the flow rate, q, per day beneath the dam (per m of dam out-of-plane). b. Calculate the total head, elevation head, pressure head, and pore water pressure at...
*need the uplift force Problem 5 Consider the flow net shown below. The sandy soil has...
*need the uplift force
Problem 5 Consider the flow net shown below. The sandy soil has an average saturated unit weight of 20 kN/m and permeability of 0.002 cm/s. Numbers provided are elevations from the interface with the impervious layer. The other "set" of numbers counts the number of head drops. (a) Compute the distribution of pore water pressure acting along the base of the concrete weir, and determine the vertical uplift force that the water pressure exerts on the...
Problem (2) (12) For the concrete dam and soil profile shown in the Figure below, the...
Problem (2) (12) For the concrete dam and soil profile shown in the Figure below, the flow net is cons channel and 8 isted of 3 fNow rops, calculate: a) The rate of seepage under the dam in ft /sec/ft. b) Pore water pressure at points A, C, and D in Ib/ft. c) The uplift force in lb/ft at the base of the dam due to water pressure C use points C and D). 20
Answer All Please, really need it for exam. inwill like back [15) 3. Two lines of sheet pile walls are driven into a river bed to allow excavation of a trench. Water level in the trench is maintai...
Answer All Please, really need it for exam. inwill like
back
[15) 3. Two lines of sheet pile walls are driven into a river bed to allow excavation of a trench. Water level in the trench is maintained at the bottiom of the excavation (level C-F) by pumping Elevations are as follows: Impervious layer (level E-G; datum): Oft Soil surface (level B-B') Water level & soil level in trench (C-F): 40t Water level in river (A-A'): 75 t Tip of...
10. Calculate the following parameters from the flow net below. (a) The seepage under the dam...
10. Calculate the following parameters from the flow net below. (a) The seepage under the dam (in m/s) (b) The uplift pressure at point A under the dam (in kPa) 20 m L-1m 6.5 m Concrete 1 m K4.5 x 10 cm/s 10.5 m AYANAYAYA Impervious
Given the structure and the flow net detailed in Figure 1. The coefficient of permeability(i.e.the hydraulic conductivity) of the soil is 5.0×10-5m/s.(1) Identify all of the boundary conditions.(2) Determine the quantity of seepage.(3) What is the uplift
Given the structure and the flow net detailed in Figure1. The coefficient of permeability(i.e.the hydraulic conductivity) of the soil is 5.0×10-5m/s.(1) Identify all of the boundary conditions.(2) Determine the quantity of seepage.(3) What is the uplift force on the base of the structure?(4) Determine the water pressure at Point A
Draw a flow netlfor the case of a long concrete dam shown in the Figure below...
Draw a flow netlfor the case of a long concrete dam shown in the Figure below and calculate the quantity of seepage underneath the dam. The soil underneath the dam is homogeneous and isotropic with a coefficient of permeability of 1.8 x 106 m/s. Determine the minimum weight of the dam required to maintain a factor of safety of 1.5 against the uplift of the dam. If the saturated unit weight of the soil is 18 KN/mP, check whether quicksand...
Using a flow net,
(a) Determine the maximum exit gradient for the seepage
conditions;
(b) If the silty sands have a saturated unit weight of 115.0
lb/ft3, calculate the FOS against piping;
(c) Calculate the FOS against heave;
(d) Is the FOS against piping and heave adequate?
105 ft EL 260.3 ft Concrete Spillway Reservoir EL 190.0 ft EL 200.3 ft EL 180.0 ft Aquifer ▼EL 150.0 ft k = 0.01 cm/s EL 105.0 ft Impervious Layer
(1) The flow net with approximate square cells for a concrete dam is shown. The silt has a hydraulic conductivity of 0.2 ft hr. (a) What is the approximately seepage rate (ft/hr/ft)? (b) What are the total head (hr), elevation head (he), and pressure head (h) at points A and B h e (ft) he (ft) hrift) Point A (2) The flow net with approximate square cells for a single sheet pile is shown as below. The hydraulic conductivity of...
Problem 13 a. Draw the flow net for the dam shown below (datum is at the 54 ft bedrock-soil interface). The dam has a 36-ft sheet pile driven into the granular soil layer. Redraw the schematic to scale. Use solid 24 ft 21 ft lines to indicate flow lines and dashed lines to indicate Soil equipotential lines. b. Calculate the rate of seepage at 36 ft the exit of the dam in ft/day per 60 ft Sheet pile unit width...
3. The flow net shown below illustrates flow conditions beneath a concrete dam featuring an upstream "clay blanket" (an impermeable clay layer) and a downstream "cutoff wall", both of which serve to lengthen the flow path. The coefficient of permeability, k, of the permeable strata is 8 x 10 cm/s. a. Calculate the flow rate, q, per day beneath the dam (per m of dam out-of-plane). b. Calculate the total head, elevation head, pressure head, and pore water pressure at...
*need the uplift force
Problem 5 Consider the flow net shown below. The sandy soil has an average saturated unit weight of 20 kN/m and permeability of 0.002 cm/s. Numbers provided are elevations from the interface with the impervious layer. The other "set" of numbers counts the number of head drops. (a) Compute the distribution of pore water pressure acting along the base of the concrete weir, and determine the vertical uplift force that the water pressure exerts on the...
Problem (2) (12) For the concrete dam and soil profile shown in the Figure below, the flow net is cons channel and 8 isted of 3 fNow rops, calculate: a) The rate of seepage under the dam in ft /sec/ft. b) Pore water pressure at points A, C, and D in Ib/ft. c) The uplift force in lb/ft at the base of the dam due to water pressure C use points C and D). 20
Answer All Please, really need it for exam. inwill like
back
[15) 3. Two lines of sheet pile walls are driven into a river bed to allow excavation of a trench. Water level in the trench is maintained at the bottiom of the excavation (level C-F) by pumping Elevations are as follows: Impervious layer (level E-G; datum): Oft Soil surface (level B-B') Water level & soil level in trench (C-F): 40t Water level in river (A-A'): 75 t Tip of...
10. Calculate the following parameters from the flow net below. (a) The seepage under the dam (in m/s) (b) The uplift pressure at point A under the dam (in kPa) 20 m L-1m 6.5 m Concrete 1 m K4.5 x 10 cm/s 10.5 m AYANAYAYA Impervious
Draw a flow netlfor the case of a long concrete dam shown in the Figure below and calculate the quantity of seepage underneath the dam. The soil underneath the dam is homogeneous and isotropic with a coefficient of permeability of 1.8 x 106 m/s. Determine the minimum weight of the dam required to maintain a factor of safety of 1.5 against the uplift of the dam. If the saturated unit weight of the soil is 18 KN/mP, check whether quicksand...
Most questions answered within 3 hours.
-
Suppose that XX is a random variable with mean 16 and standard
deviation 5 . Also...
asked 32 minutes ago -
Calculate the number density of argon gas at a temperature of
24C and a pressure of...
asked 3 hours ago -
Alternative
Classification
How to Estimate
Probabilities from Data? ( For continuous Attributes)
And How to generate...
asked 3 hours ago -
An explosion breaks a 20.0-kg object into three parts. The
object is initially moving at a...
asked 4 hours ago -
Calculate the approximate number of residues of Rubisco, which
is involved in carbon fixation in plants,...
asked 5 hours ago -
Other decisions about scientific claims can have a much broader
impact.ENERGYarrow-10x10.png, environment, health, security - all...
asked 6 hours ago -
I need to write a research paper and work cited about this
topic: The United States...
asked 6 hours ago -
Hello! I was wondering if I could have some help?
If the vapor pressure of carvone...
asked 7 hours ago -
An economist wants to estimate the mean per capita income (in
thousands of dollars) for a...
asked 7 hours ago -
What would be the input/output characteristic of a circuit
obtained by putting two of your 2's-complementers...
asked 7 hours ago -
In Drosophila, the transition from the syncytial blastoderm
stage to the cellular blastoderm stage is a...
asked 8 hours ago -
Project management question:
Name 3 different types of resources (hint: humans are one
type)
asked 8 hours ago