A small tube with a cross-sectional area of 30 cm? is filled with soil and laid horizontally. The open end of the tube is saturated, and after 30 minutes, 150 cm3 of water have infiltrated into the tube. If the saturated hydraulic conductivity of the soil is 0.3 cm/hr, determine how much infiltration would have taken place in ten minutes if the soil column had initially been placed upright with its surface saturated. O 2.94 cm O 1.78 cm O 2.29 cm O None of the choices O 1.39 cm

A small tube with a cross-sectional area of 30 cm? is filled with soil and laid horizontally. The open end of the tube is saturated, and after 30 minutes, 150 cm3 of water have infiltrated into the tube. If the saturated hydraulic conductivity of the soil is 0.3 cm/hr, determine how much infiltration would have taken place in ten minutes if the soil column had initially been placed upright with its surface saturated. O 2.94 cm O 1.78 cm O 2.29 cm O None of the choices O 1.39 cm

Fundamentals of Geotechnical Engineering (MindTap Course List)

5th Edition

ISBN:9781305635180

Author:Braja M. Das, Nagaratnam Sivakugan

Publisher:Braja M. Das, Nagaratnam Sivakugan

Chapter6: Hydraulic Conductivity

Section: Chapter Questions

Problem 6.15P

See similar textbooks

Similar questions

A small tube with a cross-sectional area of 30 cm² is filled with soil and laid horizontally. The open end of the tube is saturated, and after 30 minutes, 150 cm³ of water have infiltrated into the tube. If the saturated hydraulic conductivity of the soil is 0.3 cm/hr, determine how much infiltration would have taken place in ten minutes if the soil column had initially been placed upright with its surface saturated. 02.94 cm O 1.78 cm O 2.29 cm O None of the choices O 1.39 cm
A small tube with a cross-sectional area of 65 cm2 is filled with soil and laid vertically with its upper surface saturated. The open end of the tube is saturated, and after 22 minutes, 124 cm3 of water have infiltrated into the tube. If the saturated hydraulic conductivity of the soil is 0.55 cm/h, determine how much infiltration would have taken place in 45 minutes if the soil column had initially been placed horizontal
A 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.
A circular tube of length 500 mm and cross-sectional area 50 cm2 is placed horizontally and filled with soil A of length 200 mm and soil B of length 300 mm. The head difference between the inlet and outlet of tube is 20 cm. The coefficient of permeabilities of soil A and soil B are 2 mm/s and 2.5 mm/s respectively. The discharge taking place through the soil A is cm3/s.
Please answer with complete solution and Fbd. A field sample of an unconfined aquifer is packed in a test cylinder. The length and diameter of the cylinder are 60cm and 8cm, respectively. The field sample is tested for a period of 2min under a constant head difference of 18.5 cm. As a result, 50cm3 of water is collected at the outlet. Determine the hydraulic conductivity of the aquifer sample.
A 300 mm diameter test well penetrates 24 m. below the static water table. After 24 hours of pumping at 69 liters per second, the water level in an observation well at a distance of 96 m. from the test well is lowered by 0.60 and the other observation well at a distance of 34 m. from the test well, the drawdown is 1.2 m a) Compute the coefficient of permeability of the unconfined aquifer b) Compute the transmissivity of the unconfined aquifer.
Q5 Consider seepage occurring in the soil layers within the U-tube below. It is given that: H=1.5m; and that ka-3x10 m/s kg-3x10 m/s kc-3x10 m/s a) What is the hydraulic gradient in each of the soil layers A, B, and C? b) What is the discharge velocity in each of the three layers? c) What is the flow rate q through the U-tube? H- 1.5m Overflow Im A: Im C L=Im
Don't copy from other solutions thank you. Three piezometers have been installed in the confined aquifer having a uniform thickness of 4.6 m. and hydraulic conductivity of 2 x 104 m/s. a) Compute the hydraulic grądient. b) Compute the transmissivity in m2/day. c) Compute the flow rate per unit width of the aquifer in liters/day.
A soil sample is placed in a 1m long and 10cm diameter tube. A constant supply of water is allowed to flow from inlet to outlet. The total water head at the inlet is 2m and the total water head at the outlet is 1m. The hydraulic conductivity is 0.001 cm/s. Which of the following answer is correct? O a. The flow velocity is 0.001 cm/s Ob. The flow velocity is 25 cm/s c. The hydraulic gradient in the tube is 2 Od. The hydraulic gradient in the tube is 0.001
For the flow net shown below, the soil is isotropic having a permeability of 0.002 cm/sec. Determine the following: - Seca a. The flow rate in m'/day/m length. b. The pore-water pressure at point P. c. The factor of safety against piping. (e=0.7 and G, = 2.7). [ 15m ܗܘܐ Impervious stratum 1+2 0-7m 4-5m 11 q=k HNF Nd
Question One Determine the flow rate in a confined aquifer with a hydraulic conductivity of 20m/d, and thickness of 6.6m. The initial piezometric surface is 14.53 above the lower confining bed, causing the piezometric surface to be 13.85m at a radius of 40m and a 14.31m at a radius of 85m. The solution should include a labeled diagram.
49. A pumping test was made in a sand layer extending to a depth of 16m. The initial groundwater table was located 2m below the ground surface. Observation wells were sighted at distances 4m and 9.5m from the pumping well. Using a discharge of 0.4 cubic meters per hour, a steady level is attained at the pumping well. The measured drawdowns at the two observation wells are 2m and 0.25m respectively. Determine the coefficient of permeability of the soil.