The coefficient of permeability of fine sand is 0.012 cm/sec at a voids ratio o0.57. Estimate the increased permeability using the Kozeny-Carman formula of this same sand when its voids ratio has increased to 0.72. O 0.202 O 0.022 O 0.220 O 0.230

The coefficient of permeability of fine sand is 0.012 cm/sec at a voids ratio o0.57. Estimate the increased permeability using the Kozeny-Carman formula of this same sand when its voids ratio has increased to 0.72. O 0.202 O 0.022 O 0.220 O 0.230

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

Related questions

Q: The void ratios at the densest, loosest and natural states of a sand deposit are 0.2, 0.6 0.4,…

Q: The dry density of a sand with porosity of 0.37 is 1.61 Mg/m. Calculate the void ratio of the soil:…

A: Introduction : In this question we have to determine the value of void ratio . Void ratio is defined…

Q: at 0.45 porosity the hydraulic conductivity of the sand is 0.010 cm/sec what is the hydraulic…

A: Given:- When the porosity of the sand = 0.45 The hydraulic conductivity of the sand = 0.010 cm/sec…

Q: The difference between maximum void ratio and minimum void ratio of a sand sample is 0.30, if the…

A: Find void ratio of sample in its loosest state,emax=?

Q: The coefficient of permeability of a sand at a void ratio of 0.62 is 0.03 cm/sec. estimate the…

Q: The results of a constant head permeability test for a fine sand are as follows: Diameter of the…

A: solution For constant head permeability dia of sample d=33cm Area=π4d2=π4×332=855.3cm2Length of the…

Q: A loose, uncompacted sand fill 6 ft in depth has a relative density of 40%. Laboratory tests…

Q: An undisturbed sample of fine sand is tested in the laboratory and found to have a dry mass of 3.23…

Q: consolidated clay specimen, the results o 10 lb/ft², Deviator stress at failure = 3,65:

Q: The effective grain size of a loose uniform sand is 0.06 cm. Find the coefficient of permeability of…

A: given- Effective grain size-D10=0.06 cm

Q: Refer to the soil profile shown in Figure P2.12. The clay is normally consolidated. A laboratory…

A: Calculate the unit weight of the soil γd-sand = γwG1+e =9.81×2.661+0.55…

Q: For a falling laboratory permeability test on a fine sand, the following data are given: Length of…

A: Given data: Length of specimen = 10 cm.Diameter of specimen = 9.5 cm.Diameter of standpipe = 1.5…

Q: subject: Geotechnical Engineeringbook: principle of foundation engineering - Braja M Das

A: Given

Q: A normally consolidated clay has the following values. Void ratio, e k (cm/sec) 1.5 0.2 × 10-6 1.9…

Q: John is analyzing a silty sand. it has a void ratio in loosest condition equal to 0.87 and a void…

Q: a void ratio of 0.41. The m m³. Compute the specific

Q: The coefficient of permeability of a sand at a void ratio of 0.62 is 0.03 cm/s. Estimate the…

Q: h=1.2 m H1=1 =0.8 Soil H2=2 m valve open In flow

Q: The coefficient of permeability of the sand at a void ratio of 0.62 is 0.03 cm/s. The permeability…

Q: The relationship between the relative density, Dr, and the angle of friction, phi prime, of a sand…

Q: At 0.45 porosity the hydraulic conductivity of the sand is 0.010 cm/sec. What is the hydraulic…

A: The initial porosity is (n1) is 0.45. The final porosity is (n2) is 0.50 The initial hydraulic…

Q: The dry density of a sand with porosity of 0.37 is 1.61 Mg/m. Calculate the void ratio of the soil:…

A: The porosity of the sand is = n = 0.37 The relationship between void ratio (e) and porosity (n) is…

Q: Void ratio is defined as e = VVs, where V, is the volume of the voids, and V, is the volume of the…

Q: The dry unit weight of a sand sample in the loosest state is 13.34 kN/m³ and in the densest state,…

Q: From the application of given pressure, the anticipated primary consolidati 0.064 mm. What is the…

A: Anticipated primary consolidation settlement = 0.064mm Average degree when settlement is 0.02mm

Q: Determine the void ratio if porosity is 0.334

Q: A sample of dry sand is subjected to a triaxial test. The angle of internal friction is 36°. If the…

Q: Find the value of Porosity if void ratio is 0.69

A: Given data : The value of porosity=n n=0.69 To find : Void ratio

Q: The wet density of a sample of sand found at a site is 1.85 Mg/cubic meter with a water content of…

Q: Take a look at the figure below. Estimate the primary consolidation settlement in the clay layer.…

A: LL represents liquid limit of clay

Q: vertical stress at the middle of the clay layer will increase by 132 kPa. Ca consolidation…

Q: A consolidated-drained triaxial test was conducted on sand. The results are as follows: Confined…

A: Using formula to get internal friction angle

Q: Determine the void ratio if porosity 0.137

A: The given question is related with geotechnical engineering . In this question we are provided with…

Q: Derive relation between void ratio and porosity and draw graph for degree of saturation.

A: Void ratio denoted by (e) And porosity is denoted by (n)

Q: The results of a constant head permeability test for a fine sand are as follows: Diameter of the…

Q: If the hydraulic conductivity of a sand at a void ratio of o.6 is o.03 cm/s, its value at the void…

Q: A sample of uniform sand has a porosity of 43%. From the lab test, the value of the void ratio in…

A: Given: The porosity is 43%. The minimum void ratio is 0.35. The maximum void ratio is 0.85. The…

Q: A sandpackof uniform fine grains has an effective porosity of 0.2. The  average grain size diameter…

Q: The results of a constant head permeability test for a fine sand are as follows: Diameter of the…

A: Given data of constant head permeability test Diameter of the sample (Ds) = 47 cm Length of sample…

Q: George is analyzing a silty sand. It has a void ration in loosest condition equal to 0.88 and a void…

A: GIVEN- Void ratio of sand in loosest condition (emax) = 0.88…

Q: A normally consolidated clay has the following values. Void ratio, e k (cm/sec) 1.7 0.2 x 10-6 1.9…

Q: A normally consolidated clay has the following values. Void ratio, e k (cm/sec) 1.4 0.2 x 10-6 1.9…

Q: ) The dry unit weight of a sand witha porosity of 0.387 is 99.841b/A', Find the void ratie

A: Given data : Porosity (n)=0.387Dry unit weight (γDry)=99.84 lb/ft3 Porosity is defined as the ratio…

Q: The coefficient of permeability of fine sand is 0.022 cm/s at a void ratio of 0.72. Estimate…

A: Appreciate if there is detailed work with explanation and finds you helpful for ease of…

Q: A clay layer 5 m thick has double drainage. It was consolidated under a load of 127.5 kN/m2. The…

Q: From the figure shown, for a permeability of 0.001 cm/sec and a void ratio of 0.67. O Compute the…

Q: A clay sample has a void ratio of 0.50 in dry state and specific gravity of solids = 2.70. Its…

Q: at 0.45 porosity the hydraulic conductivity of the sand is 0.010 cm per second what is the hydraulic…

A: The given data is: S. No. Porosity Hydraulic Conductivity 1. 0.45 0.010 cm/seconds 2. 0.50 ?

Q: Determine the porosity if void ratio is 0.45

Q: Define the term critical void ratio.

A: When a sample of sand is either in loose state or in dense state, when acted upon by shearing stress…

Question

I need an answer. Asap ty

subject: Soil mechanics (geotechnical engineering)

The coefficient of permeability of fine sand is 0.012 cm/sec at a voids ratio o0.57. Estimate the
increased permeability using the Kozeny-Carman formula of this same sand when its voids ratio
has increased to 0.72.
O 0.202
O 0.022
O 0.220
O 0.230

Study of soil under various loading conditions for different structures. The stability of slopes, foundation planning and designing, shear and bearing capacity of soil are common areas of geotechnical engineering.

Expert Solution

This question has been solved!

Explore an expertly crafted, step-by-step solution for a thorough understanding of key concepts.

SEE SOLUTION Check out a sample Q&A here

Step 1

VIEW

Step 2

VIEW

Step by step

Solved in 2 steps with 2 images

SEE SOLUTION Check out a sample Q&A here

Knowledge Booster

Learn more about

Need a deep-dive on the concept behind this application? Look no further. Learn more about this topic, civil-engineering and related others by exploring similar questions and additional content below.

Similar questions

The coefficient of permeability of fine sand is 0.12 cm/sec at a void ratio of 0.37. Estimate the increase in the permeability using the (a) kozeny-carman formula (b) casagrande formula of the same sand when its void ratio has increased by 0.45.
The coefficient of permeability of a sand at a void ratio of 0.62 is 0.03 cm/s. Estimate the coefficient of permeability at a void ratio of 0.48 using Casagrande equation.
The coefficient of permeability of sand at a void ratio of 0.80 is 0.47 mm/s. Estimate the coefficient of permeability of this sand at a void ratio of 0.50.
A wet sand sample has a volume of 4.64 x 10-4 m3 and weighs 8N. After oven-drying, the weight reduces to 7.5N. Don't assume the value of Gs.Calculate the following: a. Void ratio b. Degree of saturation.
Estimate coefficient of permeability for a sand deposit where field testing indicates that the in-situ e=0.50 and D10=0.55 mm and Cu = 8. Using the information from (1) determine the D60 particle size using the Kozeny-Carman equation.
A falling-head permeability test on a specimen of fine sand 17.5 cm2 in area and 15.0 cm long gave a k of 8.5×10-4 cm/s. The dry mass of the sand specimen was 250 g and ρs was 2.71 Mg/m3. Compute the coefficient of permeability of the sand for a void ratio of 0.70.
The value of hydraulic conductivity of the sand is 0.010 cm/sec for porosity of 0.4. Determine the hydraulic conductivity at porosity of 0.55?
A sample of sand has a relative density of 40% witha solid specific gravity of 2.65. The minimum voidratio is 0.45 and the max. void ratio is 0.97.a) Determine the void ratio of the sand at arelative density of 40%.b) What is the density of this sand in asaturated condition?c) If the sand is compacted to a relativedensity of 65%, what will be the decrease inthickness of a 4 ft. thick layer.
The results of a constant head permeability test for a fine sand are as follows: Diameter of the sample = 27 cm Length of sample = 88 cm Constant head difference = 52 cm Time of collection = 496 secs Weight of water collected = 379 grams Find the seepage velocity in cm/min. if the void ratio is 0.41. Round off to four decimal places.
The results of a constant head permeability test for a fine sand are as follows: Diameter of the sample = 31 cm Length of sample = 98 cm Constant head difference = 52 cm Time of collection = 364 secs Weight of water collected = 448 grams Find the seepage velocity in cm/min. if the void ratio is 0.33. Round off to four decimal places. Answer: 0.3943
an undisturbed 1200 cm^3 sample of sand weighs 19.5 N when dry. The void ratios at the maximum and minimum unit weight were determined to be 0.43 and 0.92. The specific gravity of solids is known to be 2.73. Calculate the relative density in %
The results of a constant head permeability test for a fine sand are as follows: Diameter of the sample = 41 cm Length of sample = 66 cm Constant head difference = 30 cm Time of collection = 473 secs Weight of water collected = 416 grams Find the seepage velocity in cm/min. if the void ratio is 0.43.