e) According to laboratory_testing results, the hydraulic conductivity (coefficient of permeability of < 1X10' cm/sec of a soil with up to 50 to 60% gravel (i.e. clayey silty gravel, GC-GM). Do you think this soil can be used as a landfill liner? Why and Why not?

e) According to laboratory_testing results, the hydraulic conductivity (coefficient of permeability of < 1X10' cm/sec of a soil with up to 50 to 60% gravel (i.e. clayey silty gravel, GC-GM). Do you think this soil can be used as a landfill liner? Why and Why not?

Principles of Foundation Engineering (MindTap Course List)

8th Edition

ISBN:9781305081550

Author:Braja M. Das

Publisher:Braja M. Das

Chapter2: Geotechnical Properties Of Soil

Section: Chapter Questions

Problem 2.11P

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Concept explainers

Landfills

The landfill is a site used for the disposal of waste materials. The landfill is a solid waste facility that is often known as a dumping ground. The image below shows a landfill site in Hawaii. Landfilling is the most ancient and common method used for the disposal of waste. For the landfill, a deep trench is constructed in an isolated place away from the city. The trench for landfills is designed properly after analyzing the total population and the waste generation per capita. The waste is dumped into the trench and after every layer of waste, a layer of soil is spread on the top of it.

Question

e) According to laboratory_testing results, the hydraulic conductivity (coefficient of
permeability of < 1X10' cm/sec of a soil with up to 50 to 60% gravel (i.e. clayey
silty gravel, GC-GM). Do you think this soil can be used as a landfill liner? Why and
Why not?

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A silt clay soil has a plastic limit of 25 and a plasticity index of 30. 70 CH 60 CL U-b RI0.73(L 20) MH |-line OL OF CL-ML ML OH or OL 10 16 20 30 $0 60 70 80. Liquid limit 90 100 a. If the natural water content of the soil is 35%, what is the liquidity index? b. What type of soil is this using the USCS. c. What type of soil is this using the AASHTO system?
PROBLEM NO. 2 A fined grained soil (no sand) is found to have a liquid limit of 70%, and a plastic limit of 38%. 70 CH 60 PIOLL- -line RZ0.73(L 20) CL U-e 10 OL 30 MH -CL- ML 10 ML OH or OL 10 16 20 30 40 $0 70 80 Liquid limit a. What is the plasticity index for this soil? b. On the plasticity chart for USCS, what soil type is 90 100 this? c. On the plasticity chart for the AASHTO Classification System, what soil type is this? Plasticitý index
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What is the soil type based on the USCS classification. cent paing Sieve#4, 52% Per nt pass Sieve#10, 42% Perce bassin Sieve#200, 10% LL=19, P 13,C 2.1, Cu38 O GC O GC-GM O GW-GC-GM O GW-GC
A soil sample is having liquid limit of 60% and plastic limit of 25%. This soil can be classified as A CH B MH Your answer is C MI D CI
Calculate the settling velocity of the sandy materials present in the wastewater inside the grit removal chamber, if you know that the amount of discharge is 5000 m3/ day, and the specific gravity of the sand particles is 2.0, and their diameter is 0.15 mm, CD= 0.4
2-Calculate the settling velocity of the sandy materials present in the wastewater inside the grit removal chamber, if you know that the amount of discharge is 10,000 m3/ day, and the specific gravity of the sand particles is 2.3, and their diameter is 0.15 mm, CD= 0.4.
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Note# Honorable expert teacher kindly solve each and every step of the Q#1 as soon as possible, its urgent for today..i will be very thankful to u for this kind favor. Course; is Geotechnical Engineering-II. ( Department; Civil engineering department )
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