Question 2 * The permeameter in a permeability test setup involves a soil sample 200 mm diameter and a length of 30 mm. The height of water is kept constant at 400 mm. In a duration of 4 min, water was collected in the graduated flask having a volume of 420 cu. cm. Determine the following. Flow Rate o Hydraulic gradient Hydraulic conductivity
Q: A constant head permeameter has a cross-sectional area of 175 cm2 and is used to measure the…
A: Given data, Soil sample length = 40 cm Area = 175 cm^2 Head difference = 60 cm Volume = 100 ml Time…
Q: A constant head permeability test was carried out on a cylindrical sample of sand 4 in. in diameter…
A: Given data For the constant head permeability test Diameter of sample of sand (D) = 4 in Height…
Q: At e = 0.8, the hydraulic conductivity of a soil sample is 0.010 cm/sec. Determine the hydraulic…
A: Given: Void ratio 1, e1 = 0.8 Hydraulic conductivity at first void ratio, K1 = 0.010 cm/s Void ratio…
Q: Water levels in the test setup shown below remain constant. (a) Determine the pressure head (hp),…
A: given data :- hydraulic conductivity =.14cm/sec
Q: 1. The most suitable roller to compact a thick layer of silty soil is 2. Theoretically, coefficient…
A: 1. The most suitable roller to compact a thick layer of silty soil is sheepfoot rollar. The sheep…
Q: A permeameter of 8.2 cm diameter contains a sample of soil of length 35 cm. It can be used either…
A:
Q: 1.11 A sample of soil 10 cm diameter, 15 cm length was tested in a variable head permeameter. The…
A:
Q: Question 32 A laboratory apparatus maintains a constant head in both the upper and lower reservoirs.…
A:
Q: A course sand sample is placed in the constant permcameter test. What is the coefficient of…
A:
Q: falling head hydraulic conductivity test is performed on a sample of soil. The standpipe. having a…
A: Stand pipe diameter = 0.35cm Area = 0.0961cm2 Time taken = 80 sec H1 = 90cm H2 = 70 cm Length =…
Q: 3.Two cylindrical soil specimens (A and B) are subjected to a modified constant head test as shown…
A: when specimen are perpendicular, the discharge flow is same for them.
Q: constant head permeability test was carried out on a sample of sand. The diameter and the length of…
A: We have formula for constant head test asQ=KiAVt=KhLAV=volumet=timeK=Hydraulic…
Q: constant
A:
Q: a. The hydraulic head in the 1.1 cm diameter standpipe through which test water passed dropped from…
A: Given:- The hydraulic head in the 1.1 cm diameter standpipe through which test water passed dropped…
Q: Problem 3. A sand sample of 35 cm2 cross sectional area and 20 cm long was tested in a constant head…
A: Area, Length, Head, discharge, dry weight of soil and specific gravity has been given and it has…
Q: 1. A sand sample of 35 cm² cross sectional area and 20 cm long was tested in a constant head…
A: Given :
Q: 5. According to the constant-head permeability test, calculate the hydraulic conductivity in cm/sec.…
A:
Q: A soil column with a length of 20 cm and cross-sectional area of 50 cm2 was used to measure…
A: Calculate the saturated hydraulic conductivity of the soil.
Q: The permeameter in a permeability test setup involves a sample 200mm diameter and a length of 30mm.…
A:
Q: A pumping test was carried out in a soil bed of thickness 20m and the following measurements were…
A:
Q: Question.2 : A soil sample 25 cm in height and 10 cm in diameter, was tested under a constant head…
A:
Q: A course sand sample is placed in the constant permeameter test. What is the coefficient of…
A: Using Darcy law Q=kia
Q: For a falling head permeability test, these value are given: Length of the soil specimen = 200 mm…
A: Given, Length of the soil specimen, L= 200 mmArea of the soil specimen, A= 1000 mm2Area of the…
Q: Question 33 A laboratory apparatus maintains a constant head in both the upper and lower reservoirs.…
A: Permeability of soil : The ability of soil to enable water to flow through it is referred to as…
Q: 7 3. A constant-head test was conducted on a sample of soil 10 cm long and 50 cm2 in cross-sectional…
A: Given data in question Constant head method Area Length of soil sample Volume collected Time taken…
Q: 1. A falling- head permeability test was run on a soil sample 9.6cm in diameter and 10cm long. The…
A: K = 5 x 10-6 cm/sec Soil sample diameter = 9.6 cm Length of soil sample = 10 cm Head difference = 90…
Q: constant head permeameter, 85 mm in diameter containing fine sand sample 450 mm long, allowed water…
A:
Q: A falling head permeability test was run on a soil sample 9.60cm in diameter and 10cm long. The head…
A: Soil sample dia = 9.6cm Area od soil sample (A) = Πd2/4 = 72.382 cm2 Length of smaple (L) = 10cm…
Q: A constant head test is performed using a permeameter in the laboratory. The graduated cylinder…
A: Note:- Hi! Thank you for the question As per the honor code, We’ll answer the first question since…
Q: Pumping test was carried out in a layer of soil extending to a depth of 28 m. The initial position…
A: We have to determine the coefficient of permeability in m/day according to the given data.
Q: A 300-mm diameter static test well penetrates 27 is pumped at liters per second for 24 hrs. The…
A:
Q: A sample of soil 10 cm diameter, 15 cm length was tested in a variable head permeameter. The initial…
A: It is required to find the coefficient of permeability of soil meters per day.
Q: Q2: Two cylindrical specimens A and B of the same soil, of 50 and 75 mm diameter, respectively, are…
A: V=340g Time=10min
Q: A pumping test was carried out in confined aquifer thickness 2 m and the following measurement was…
A:
Q: constant-head permeability test was conducted on a soil sample retained inside a with a length of…
A: WE KNOWk=qLAhq=VolumeTimeVolume=55cm3time=3hr 15min=195min=195·60 sec
Q: 4. A falling-head permeability test was run on a soil sample 9.6 cm in diameter and 10 cm long. The…
A:
Q: A falling head permeability test was run on a soil sample 9.60cm in diameter and 10cm long. The head…
A:
Q: A pumping test was performed in a well penetrating a confined aquifer to evaluate the coefficient of…
A: Data provided in the question: Equilibrium Discharge, Q = 200 cm3/sec Water level, h1 = 6 m = 600 cm…
Q: The attached figure shows the soil sample prepared and setup for constant head permeability test. If…
A:
Q: A falling head hydraulic conductivity test is performed on a sample of soil. The stand pipe having a…
A: Given data in question Diameter of standpipe Diameter of soil sample Length of soil sample Time…
Q: In a falling-head permeability test the following the apparatus was measured: Internal diameter of…
A: Falling head permeability test used to- -determine the…
Q: Problem (4) The following results have been reported for field pumping test from a well, where the…
A: Given, Disharge (q) = 0.68 m³/min h1= 5.6m h2= 5m r1=60m r2= 30m Our aim is to determine the,…
Q: The rate of upward seepage taking place through a granular soil contained in a tank is 976.5…
A:
Q: A pumping test was carried out in a soil bed of thickness 20m and the following measurements were…
A:
Q: A constant-head permeability test is performed in a laboratory where the soil sample is 25 cm in…
A:
Q: Water resources H.W No. 4 Q1-Falling head permeability test, given soil sample: length is 50.8 cm,…
A: Given data Length of soil sample Area of soil sample Area of stand pipe Head Time
Q: Practice Problem 2: Refer to Figure 1.12. If Hi = 1.5 m, H2 = 2.5 m, h = 1.5 m, e =0.49, G, = 2.66,…
A: Fluid mechanics is an essential subject in civil engineering since it deals with the study of fluids…
Q: * The permeameter in a perrneability test setup involves a soil sample 200 mm diameter and a length…
A:
Q: A constant-head permeability test is performed where the hydraulic gradient is 0.75. The…
A: Given Data: The hydraulic gradient of the sample is i=0.75. The cross-sectional area of the sample…
Q: A sand sample of 35 sq. cm cross sectional area and 20 cm long was tested in a constant head…
A: For the given sand sample,
Trending now
This is a popular solution!
Step by step
Solved in 2 steps with 2 images
- The permeameter in a perrneability test setup involves a soil sample 200 mm diameter and a length of 30 mm. The height of water is kept constant at 400 mm. In a duration of 4 min, water was collected in the graduated flask having a volume of 420 cu. cm. Determine the following. Flow Rate Hydraulic gradient Hydraulic conductivityA constant head test is performed using a permeameter in the laboratory. The graduated cylinder collects 892 cm3 of water in 112 seconds. The soil specimen diameter = 18 cm , th elevation of water in upper-most piezometer is 181 com , the elevation of water in lowest piezometer is 116.6 cm and the piezometer inlets are evenly spaced at 16.7 cm on center. Compute the hydraulic conductivity, k and choose the correct answer below based on that. O A. 2.1 x 10^-3 cm/second O B. 1.5 x 10^-2 cm/second O C. 2.91 x 10^-2 cm/second O D. 2 x 10^-2 cm/second QUESTION 10 Given: -Applied stress on a soil = 122 kPa %3D -Influence Factor = 0.4 Compute the change in stress at 10 m below the edge of 25 m dimeter oil tank and select the correct answer from below: O A. Change in stress = 44 kPa O B. Change in stress = 49 kPa O C. Change in stress = 40 kPa O D. Change in stress = 42 kPa %3DP 4: A sand sample of 35cm2 cross sectional area and 20cm long was tested in a constant head permeameter. Under a head of 60cm, the discharge was 120ml in 6min. The dry weight of sand used for the test was 1120g, and G3=2.68. Determine (a) the hydraulic conductivity in cm/s, (b) the discharge velocity, and (c) the seepage velocity. Answers: a) 3.174 x 103 cm/s, b) 9.52 x 10³ cm/s, c) 2.36 x 10-² cm/s
- Don't attempt wrong i will downvote.....A cylindrical soil sample, 7.3 cm in diameter and 16.8 cm in height, is tested in a constant-head permeability apparatus. A constant head of 75 cm is maintained during the test. After 1 minute of testing, a total of 945.7 gm of water was collected. The temperature was 20 oC. The void ratio of the soil was 0.43. Calculate the following: 1. The hydraulic gradient 2. The flow rate 3. The discharge velocity 4. The seepage force per unit volume 5. The coefficient of permeabilityA sand sample of 35m cm^2 cross sectional area and 20cm long was tested in a constant head permeameter. Under a head of 60 cm, the discharge was 120 ml in 6min. The dry weight of sand used for the test was 1120 g, and Gs= 2.68 A. Determine the hydraulic conductivity in cm/sec. B.Determine the discharge velocity in cm/sec. C. Determine the seepage velocity in cm/sec.****PROVIDE STEP BY STEP SOLUTION SOLVING H1 AND H2 VALUES in part B***** A constant head permeability test is performed on soil that is 2 cm x 2 cm square, and 2.5cm long. The head difference applied during the test is 20 cm and 7 cm3 is collected over a time of 100 sec. Provide step by step solution. a) Compute the permeability based on these test conditions and results. b) A falling head test is conducted on the same soil specimen at the same time (t1 – t2 = 100 sec), and the standpipe diameter is 0.8 cm. If the average head during the test should be 18 cm, what are h1 and h2 values, provide step by step solution solving h1 and h2 values.
- A sample of sand, 5 cm in diameter and 15 cm long, was prepared at a porosity of 60% in a constant-head apparatus. The total head was kept constant at 30 cm and the amount of water collected in 5 seconds was 40 cm^3. The test temperature was 20 deg C. Calculate the hydraulic conductivity. Provide a diagram a.5.0 x 10^-2 b.3.47 x 10^-2 c.2.0 x 10^-1 d.6.7 x 10^-1A constant-head permeability test is performed in a laboratory where the soil sample is 25 cm in length and 6 cm2 in cross section. The height of water is maintained at 2 ft at the inflow end and 6 in. at the outlet end. The quantity of water flowing through the sample is 200 ml in 2 minutes. (a) Make a sketch of the described conditions. (b) What is the coefficient of permeability in millimeters per minute?Afalling head permeability test was performed on a sample of clean uniform sand. The initial hydraulics head was 900 mm, the final head was 400 mm, 60 sec were required for the water level in the standpipe to fall. The cross-sectional area of the standpipe was 100 mm2. The sample was 40 mm in diameter and had a length of 180 mm. Determine the coefficient of permeability in Darcy's Law.
- A pumping test was carried out in a soil bed of thickness 20m and the following measurements were recorded. • Rate of pumping = 9.5x103 m³/s • Drawdowns in observation wells located at 13m and 33m from the center of the pumping well were 2.00m and 1.27m, respectively from the initial groundwater level. • Initial groundwater level was located at 1.9m below ground level. Determine hydraulic conductivity in cm/s4. A constant-head permeability test was conducted on a soil sample retained inside a cylindrical mould with a length of 40cm and an inner diameter of 18cm. In the test setup, a total of 55cm³ of water was collected during 3 hours and 15 minutes after reaching a constant-head difference of 60cm. a. Calculate the hydraulic conductivity (cm/s) of the soil sample. b. Estimate the type and permeability class of the soil. (Show all working calculations.)← Darcy' Law A sand sample of 35 m² cross sectional area and 20 cm long was tested in a constant head permeameter. Under a head of 60 km, the discharge was 120 ml in 6 min. The dry unit weight of sand used for the test was 1120 g. and GS = 2.68 Take Sw = 1 g/ cm³ The hydraulic conductivity (in cm/sec) is × 10-³ X