Q-In a groundwater field test, a tracer took 8 hours to travel between two observation wells which are 56 m apart. The difference in water table elevations in these wells was 0.70m. The volume of the void of the aquifer is 30% of the total volume of the aquifer. What is the hydraulic conductivity of the aquifer, if the dynamic viscosity of water is 0.995×10 ³Ns/m³?

Q-In a groundwater field test, a tracer took 8 hours to travel between two observation wells which are 56 m apart. The difference in water table elevations in these wells was 0.70m. The volume of the void of the aquifer is 30% of the total volume of the aquifer. What is the hydraulic conductivity of the aquifer, if the dynamic viscosity of water is 0.995×10 ³Ns/m³?

Principles of Geotechnical Engineering (MindTap Course List)

9th Edition

ISBN:9781305970939

Author:Braja M. Das, Khaled Sobhan

Publisher:Braja M. Das, Khaled Sobhan

Chapter7: Permeability

Section: Chapter Questions

Problem 7.17P

See similar textbooks

Similar questions

Qs. The difference between the free water levels in two wells 48 m part in an aquifer is 0.6m. It took an interval of 8 hours between detecting the traces of a tracer material at the two wells in succession. The porosity of the aquifer is 25%. The coefficient of permeability of the aquifer is_______ cm/sec.please dont solve wrong
In a field test, a time of 6 hours was required for a tracer to travel through an aquifer from one well to another. The observation wells were 42 m apart and the difference in their water levels was found to be 0.42 m. Assuming porosity equal to 20% viscosity of water, v = 0.01 cm?/s, with reference to above statement which of the following option(s) is/are correct? Find Coefficient of permeability Coefficient of intrinsic permeability Coefficient of intrinsic permeability
In a groundwater field test, a tracer took 8 hours to travel between two observation wells which are 56 m apart. The difference in water table elevations in these wells was 0.70m. The volume of the void of the aquifer is 30% of the total volume of the aquifer. What is the hydraulic conductivity of the aquifer, if the dynamic viscosity of water is 0.995x10-³Ns/m³?
PROBLEM NO. 3 SOIL PERMEABILITY A pump test was conducted on a test well drilled into a confined aquifer, with the results showr ** elow. If water was pumped at a steady flow of 205 gal/min, deter... the coefficient of permeability (k in ft/sec) of the permeable soil in the aquifer. 150 ft 75 ft IMPERMEABLE LAYER 20 ft: 12 ft TEST WELL IMPERMEABLE LAYER AQUIFER 16 ft OBSERVATION WELLS Lectures 5
Solve
In a field test, a time of 5 hour was required for the tracer to travel through an aquifer from one well to another. Difference in the water levels of observation wells which are 42 m apart, is 0.42 m if the porosity of soil medium is 0.25, coefficient of permeability will be:
PROBLEM 1: 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?. The test temperature was 20°C. the Calculate coefficient of permeability? a. 0.261 cm/s b. 0.960 cm/s c. 0.204 cm/s d. 0.178 cm/s
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^-1
I will upvote for correct answer
S
please answer all parts
The results of a constant-head permeability test for a sand sample having a sectional area of 10000mm2 and a length of 200 mm are as follows: (1) Constant head difference 400mm (2) Time of collection of water = 30 seconds (3) Volume of water collected = 600 cm3. The hydraulic conductivity is: Oa. 1.0 mm/sec Ob. 1,7mm/sec c. 2.9 mm/sec O d. 0.5mm/sec