Principles of Geotechnical Engineering (MindTap Course List)
9th Edition
ISBN: 9781305970939
Author: Braja M. Das, Khaled Sobhan
Publisher: Cengage Learning
expand_more
expand_more
format_list_bulleted
Question
Chapter 4, Problem 4.2CTP
(a)
To determine
The range of liquidity index for each soil over the range of moisture content.
(b)
To determine
Find the probable engineering behaviour of each soil as the moisture content changes.
Expert Solution & Answer
Trending nowThis is a popular solution!
Students have asked these similar questions
Express the answers in the nearest three decimal numbers.
NOTE: Refer to MM = 08 and DD = 26
11. The range of water content between the liquid and plastic
limits is termed as:
A. liquid limit
B. plasticity index
C. plastic limit
D. shrinkage limit
12. A container of volume 3.25 x 10-3 m³ weighs 10.8 N. Dry sand
was poured to fill the container. The container and the sand
weigh 62.5 N. Calculate the porosity of the sand. Assume Gs =
2.72.
A. 67.74%
C. 43.56%
B. 40.38% 0 mod
D. 54.25%
3. The capillary pressure data for a water-oil system are given below:
Sw
Pc
0.25
35
0.30
16
0.40
8.5
0.50
1.0
The core sample used in generalizing the capillary pressure data was
taken from a layer that is characterized by an absolute permeability of
300 md and a porosity of 17%. Generate the capillary pressure data for
a different layer that is characterized by a porosity and permeability of
15%, 200 md, respectively. The interfacial tension is measured at 35
dynes/cm.
Chapter 4 Solutions
Principles of Geotechnical Engineering (MindTap Course List)
Ch. 4 - During Atterberg limit tests in the soil mechanics...Ch. 4 - Prob. 4.2PCh. 4 - Prob. 4.3PCh. 4 - Results from a liquid limit test conducted on a...Ch. 4 - The following data were obtained by conducting...Ch. 4 - Refer to the soil in Problem 4.5. Using the...Ch. 4 - Following results are obtained for a liquid limit...Ch. 4 - Prob. 4.8PCh. 4 - Prob. 4.9PCh. 4 - Prob. 4.10P
Knowledge Booster
Similar questions
- One of the most challenging problems in environmental remediation is isolated blobs of contaminated fluid that become trapped in soils by capillary forces (i.e., surface tension). The pore space can be analyzed by analogy to a thin-diameter glass tube. Under the conditions given, what is the maximum length of water, I, that can be retained in the vertical glass tube shown? [mm] • contact angle 0 = 0⁰ • surface tension o= 72 dyn/cm = 0.072 N/m • tube diameter D = 2.0 mm • ● neglect the small volume of water above the meniscus the weight of water completely removes the curvature in the lower air-water interfacearrow_forwardThe Langelier Index is an approximate indicator of the degree of saturation of calcium carbonate in water. What factors is not one of the water quality parameters that are taken into account when computing Langelier index? A. pH B. Alkalinity C. Calcium concentration D. total dissolved solids E. Water turbidityarrow_forward(d) Ca(HCO3)2 = 150 mg/L; Mg(HCO3)2 = 200 mg/L; CaSO4 = 180 mg/L; MgCl2 = 95 mg/L; CaCl2 = 137 mg/L; turbidity = 15 mg/L; NaCl = 58.5 mg/L. Calculate: (i) Carbonate and non-carbonate hardness in degree Clark. (ii) The cost of limesoda process, if lime (95% pure) is Rs.200/10 Kg and soda (86%pure) is Rs. 400/10 Kg for softening of 150,000 liters of hard water using Al2(SO4)3 as a coagulant @ 28.5 mg/L. (iii) A hard water sample having 530 ppm CaCO3 equivalent hardness was completely softened on passing over a zeolite bed. The exhausted bed was subsequently regenerated using 75 liters of 45 percent brine solution. Calculate the quantity of hard water that has been softened using zeolite softener.arrow_forward
- #2arrow_forwardOne of the most significant properties influence on porosity quality is: Clay minerals and solution grain shape and grain packing Grain size and grain size distribution None of thesearrow_forwardYou have 1 mL (total volume) sample of quartz spheres, and it has a mass of 2.00g . What is the Void Ratio, using only the above information? Void Ratio: e = Vv /Vs Vv= volume of voids Vs = volume of solidsarrow_forward
- 4. Select the correct answer: 1-Porosity is directly proportional with: a) Sample bulk density, Solid volume, and Void ratio of a sample b) Voids volume, Water content c) Solid volume, Void ratio, Total Volume, and Sample solid density d) Nonearrow_forwardDescribe the void ratio changes from the initial state to the consolidated state and to the failure state and then explain the causes for the changes.arrow_forwardA soil is made up of identical spherical aggregates of bulk density P= 1.3 g/cm3 whose solid phase has a particle density of pm= 2.65 g/cm3. The aggregates are packed into an arrangement with an interaggregate porosity of 0.4. Calculate the bulk density of the soil, the aggregate porosity, and the total porosity of the soil. What is the wet bulk density of the soil if the aggregates are water saturated and the interaggregate space is filled with air?arrow_forward
- Explain the structure and cation exchange properties of different layer silicates and their roles in soil formationarrow_forwardAn irregular lump of saturated clay with a mass of 605.2 g was coated with paraffin wax. The total mass of the coated lump (in air) was 614.2 g. The volume of the coated lump was found to be 311 ml by displacement in water. After carefully removing the paraffin wax, the lump of clay was over-dried to a dry mass of 479.2 g. The specific gravity of the hardened wax is 0.90. Determine the water content, specific gravity, dry unit weight and void ratio.arrow_forwardAt a depth of 8 km in the ocean the pressure is 82.26 MPa. Assume the specific weight at the surface to be 10.10 kn/m^3 and that the average bulk modulus is 2344 MPa for that pressure range. (a) what will be the change in specific volume between that at the surface and at the depth? (b) what will be the specific volume at that depth? (c) what will be the specific weight at that depth?arrow_forward
arrow_back_ios
SEE MORE QUESTIONS
arrow_forward_ios
Recommended textbooks for you
- Principles of Geotechnical Engineering (MindTap C...Civil EngineeringISBN:9781305970939Author:Braja M. Das, Khaled SobhanPublisher:Cengage LearningFundamentals of Geotechnical Engineering (MindTap...Civil EngineeringISBN:9781305635180Author:Braja M. Das, Nagaratnam SivakuganPublisher:Cengage Learning
Principles of Geotechnical Engineering (MindTap C...
Civil Engineering
ISBN:9781305970939
Author:Braja M. Das, Khaled Sobhan
Publisher:Cengage Learning
Fundamentals of Geotechnical Engineering (MindTap...
Civil Engineering
ISBN:9781305635180
Author:Braja M. Das, Nagaratnam Sivakugan
Publisher:Cengage Learning