black cotton soil

black cotton soil

[¦blak ¦kat·ən ′sȯil]
(geology)
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
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Setting up the stadium was quite an enormous task as the black cotton soil had to be excavated.
Another study investigated the stabilising effects of electrolyte lignin on some engineering properties of black cotton soil, which contains significant amount of clay fraction, for road construction.
Naturally occurring black cotton soil and commercially available kaolin clay were examined in this study.
Over the past few decades, stabilization is found to be the best technique for reducing the swelling and shrinkage nature of black cotton soil. Various researchers had tried stabilizing black cotton soil using lime, cement, fly ash, rich husk ash, etc.
We guessed what crops were planted in the fields we sped by - and of course, we knew when we were nearing our home state of Maharashtra because we saw the black cotton soil alongside the rails - quite distinct from the reddish soil of some of the southern states.
Santhi and Sayida studied the properties of sisal fiber-reinforced black cotton soil and found that the addition of new fibers decreased the maximum dry density and optimum water content of the soil but improved both the California bearing ratio and unconfined compressive strength [8].
The major lithostratigraphic units in the study area include garnet bearing charnockitic, garnet rich and sillimanite rich metapellataic geneisses (khondalitic) and garnet biotite quartz feldspar gneisses underlain by black cotton soil Chetty Q996),Braun et.al (1998), Shabeer et.al (2005)
The area is essentially covered by lateritic, red sandy and black cotton soils, of which black cotton soil is more predominant and is of insitu type.
class="MsoNormal"Black cotton soil, however, is likely to disintegrate after sometime and therefore you need to use cement as an adhesive to hold the soil together," he offers.

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