Fundamentals of Geotechnical Engineering (MindTap Course List)
5th Edition
ISBN: 9781305635180
Author: Braja M. Das, Nagaratnam Sivakugan
Publisher: Cengage Learning
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Chapter 2, Problem 2.11P
To determine
Calculate the diameter of the smallest-size particles that have settled beyond the zone of measurement at 120 min time duration.
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Q 2: Calculate the (We) and permeability (k), where the data are available:
Pi=2500 psi
Þ-2460 psi
water influx constant = 1000 bbl/month/psi.
radius of aquifer = 15750
radius of reservoir= 2250"
Time months
water viscosity 0.25 ep
Pressure psi
2500
12
2480
thickness of the aquifer-30 ft
24
2470
-20
36
2464
48
2460
subject: hydrology. if possible pls give a detailed answer for me to understand
Ground surface
Groundwater table (free surface)
Direction
of seepage
H
Impervious layer
A permeable soil layer is underlain by an impervious layer, as shown in the figure above. With k = 5.5 × 10 -4 cm /s for the permeable layer, calculate the rate of seepage through it in m° / hr /m
length. Given: H = 4.4 m and a = 9 °.
(Enter your answer to three significant figures.)
q =
m / hr /m
Chapter 2 Solutions
Fundamentals of Geotechnical Engineering (MindTap Course List)
Ch. 2 - Prob. 2.1PCh. 2 - Following are the results of a sieve analysis: a....Ch. 2 - For a soil, given: D10 = 0.08 mm D30 = 0.22 mm D60...Ch. 2 - For a soil, given: D10 = 0.08 mm D30 = 0.22 mm D60...Ch. 2 - Repeat Problem 2.2 with the following results of a...Ch. 2 - Repeat Problem 2.2 with the following results of a...Ch. 2 - The particle characteristics of a soil are given...Ch. 2 - Redo Problem 2.7 according to the USDA system...Ch. 2 - Redo Problem 2.7 according to the AASHTO system...Ch. 2 - In a hydrometer test, the results are as follows:...
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- CEN-333 Geotechnicalarrow_forwardbai 10arrow_forwardFor the constant head permeability test apparatus shown, cross-sectional area A flow, distance / between stand 78.5 cm² perpendicular to the direction Flow is vertically downwards through the sample. When the pipes = 10.0 cm. head loss h between the two standpipes is 5 cm, the volume of water which flows through the sample is 100 cm³ per minute. (a) What is the hydraulic gradient through the sample? Area A (b) What is your estimate of the coefficient of permeability k in cm/sec? How much (c) The exit point of the water is maneuvered so that the head loss h is increased 10 cm. water (in cm³) will flow through the sample in 2 minutes?arrow_forward
- In Hydrometer test, we commonly do a few corrections to the readings we take off the Hydrometer stem.First, discuss why we need these corrections. Second, list and discuss the common corrections we make duringa Hydrometer readingarrow_forwardBy keeping the water level constant at 42 cm according to the sample subcode, a permeability test with a permeability cell of 8 cm diameter was carried out in a laboratory environment with a temperature of 20 0C. As the pure water collected during the 1 minute measurement after the steady flow observed in the experiment is as given in the form; Evaluate the permeability of the floor by finding the permeability coefficient in cm / sec.arrow_forwardplease answer correct.arrow_forward
- Figure shows the layers of soil in a tube 100 mm x 100 mm in cross-section water is supplied to maintain a constant head difference of 400 mm across the sample. The hydraulic conductivities of the soils in the direction of flow through them are shown in the figure. Compute the rate of supply in cu.cm/hr. * Water supply 295.90 0.08219 400 Out flow 0.0002959 100 Direction of flow 8.219 100 em/sée. cm/iec. cm/sec 200 200 200 himarrow_forwardFrom the given figure. From the e-log p plot, two points were given. p1 = 80 kPa e1 = 0.60 p2 = 150 kPa e2 = 0.40 Determine the Liquid Limit.arrow_forwardCurrent Attempt in Progress Determine the elevation difference, Ah, between the water levels in the two open tanks shown in the figure below. Assume SG = 0.83. Ah = m 1 m SG Water 0.4 m Aharrow_forward
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