swelling clay

swelling clay

[′swel·iŋ ¦klā]
(geology)
Clay that can absorb large amounts of water, such as bentonite.
McGraw-Hill Dictionary of Scientific & Technical Terms, 6E, Copyright © 2003 by The McGraw-Hill Companies, Inc.
References in periodicals archive ?
These include: Advanced cement bond logging and logging through multiple casings LWIV riserless P&A for subsea wells Next generation tubing and casing removal solutions Improved section milling tooling New barriers as an alternative to cement, like the use of natural barriers such as swelling shale and swelling clay or squeezing salt Thermite and bismuth alloy plugs Finally, standard forms are emerging for the decommissioning market.
Alteration of swelling clay minerals by acid activation, Applied Clay Science 44(1-2): 105-115.
of Boise, Idaho Amount: $2,399,730.90 Project: Elephant Butte swelling clay reconstruction U.S.
Gerard, "Grafting of swelling clay materials with 3-aminopropyltriethoxysilane," Journal of Colloid and Interface Science, vol.
However, some previous research noted that cracking and hydraulic conductivity of swelling clay or rocks are controlled by plasticity and swelling [27].
Montmorillonite mineral is regarded as swelling clay for the reason that water molecules easily enter the interlayer along the silicon-oxygen plane, which will increase the distance between the layers and causing the volume expansion.
The firm required additional time to overcome difficulties of squeezing salt and a swelling clay section which required the running of an extra casing interval.
However, it still remains one of the most difficult measurements to perform with a high degree of accuracy in swelling clay soils, particularly at the wet end.
If swelling clay minerals occur in the fractures, expansion of the clays may cause the fractures to close, reducing the water movement along the fractures.
Nitrate and chloride leaching in a swelling clay soil.