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Soil that has not been touched by man or machine. It is soil that has developed naturally and has not been tilled or had chemicals added to it. Such soil is getting harder to find.
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What are the advantages of conducting an experiment on undisturbed soil sample compared to disturbed soil sample?
A disturbed sample is one in which the structure of the soil has been changed sufficiently that tests of structural properties of the soil will not be representative of in-situ conditions, and only properties of the soil grains (e.g., grain size distribution, Atterberg limits, and possibly the water content) can be accurately determined. An undisturbed sample is one where the condition of the soil in the sample is close enough to the conditions of the soil in-situ to allow tests of structural properties of the soil to be used to approximate the properties of the soil in-situ.
What is the definition of sensitivity of soil?
Soil sensitivity is the estimate of a soil's ability to maintain its original strength when bothered or remolded.
How thick should top soil be?
The top soil in your yard should be between 3 and 6 inches deep, depending on how long it has been undisturbed, and how old your house is. The older the house, the more topsoil you should have, due to the composting of grass clippings and leaf matter.
How does no-till farming help to reduce erosion?
With No till farming - conservation tillage, farmers leave the stubble or plant residue on the soil's surface, rather than plowing or disking it into the soil. The new crop is planted directly into this stubble leaving the soil undisturbed. This practice dramatically reduces soil erosion. For a good example of No - Till technology visit the related link below. LEBRON JAMES IS NBA
How do geologist know that rock layers are undisturbed?
the way geologist know that rock layers are undisturbed is the rock layers are folded
How long has the soil been undisturbed in the tropical rainforest?
5 years
Where can the mobile runway edge sheave be anchored?
soil w/ CBR of 15 undisturbed soil any location
What is the minimum CBR value required for a MAAS installation on undisturbed soil?
7
What is the definiton of rhizons?
Sampler used to extract pore-water from undisturbed soil and sediments
What happen when a mixture of soil and water is left on the table undisturbed for along time?
dissolve in water
In an emergency concrete installation what is the minimum number of bolts required in each anchor plate?
on undisturbed soil
What are the advantages of conducting an experiment on undisturbed soil sample compared to disturbed soil sample?
A disturbed sample is one in which the structure of the soil has been changed sufficiently that tests of structural properties of the soil will not be representative of in-situ conditions, and only properties of the soil grains (e.g., grain size distribution, Atterberg limits, and possibly the water content) can be accurately determined. An undisturbed sample is one where the condition of the soil in the sample is close enough to the conditions of the soil in-situ to allow tests of structural properties of the soil to be used to approximate the properties of the soil in-situ.
If the MAAS is going to be installed on undisturbed soil that is less then 7 CBR what anchoring method is recommended?
Dead-man and anchor chain
What is the definition of sensitivity of soil?
Soil sensitivity is the estimate of a soil's ability to maintain its original strength when bothered or remolded.
What does the no-till system of conservation tillage entail?
leaving the soil undisturbed from harvest to planting except for nutrient injection and controlling weeds primarily with herbicides
How can you tell if sedimentary rock is undisturbed?
That would depend on the meaning of 'undisturbed'.
Where is the most undisturbed environment?
the most undisturbed environment is between the border of Alaska and Canada
