swelling clay

swelling clay

[′swel·iŋ ¦klā]
(geology)
Clay that can absorb large amounts of water, such as bentonite.
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References in periodicals archive ?
90 Project: Elephant Butte swelling clay reconstruction U.
A roundup of top bidders for Feb. 9, 2018
Alteration of swelling clay minerals by acid activation.
Modification of Ntezi bentonite structure by hydrochloric acid: process kinetics and structural properties of the modified samples
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.
Northern Petroleum completes drilling of Tiendeveen -1 exploration well
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.
Field calibration of ThetaProbe (ML2x) and ECHO probe (EC-20) soil water sensors in a Black Vertosol
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.
Distribution of Soils in Ohio that are Described with Fractured Substratums in Unconsolidated Materials(1)
Nitrate and chloride leaching in a swelling clay soil.
Playa lakes on the Southern High Plains in Texas: reevaluating infiltration
2005), coupled with the frequent calculation of either inflated or negative conductivities, has led to skepticism about the usefulness and reliability of disc permeameters as a tool for measuring hydraulic properties of swelling clay soils.
Improved measurement of conductivity on swelling clay soils using a modified disc permeameter method
Usterts are self-mixing soils containing >35% shrinking and swelling clay.
Wettability of soil aggregates from cultivated and uncultivated Ustolls and Usterts
This trend reflects differences in clay content and type, with the northernmost areas having greater clay contents and proportions of swelling clay minerals, and a relative absence of mica and kaolinite in both the total and fine clay fractions.
The hydrology of Vertosols used for cotton production: I. Hydraulic, structural and fundamental soil properties
Topics included the Memorial Park Demonstration Project; funding for and efforts to make better, sustainable streets and drainage systems under the Rebuild Houston plan; and case studies highlighted using the Potential Vertical Rise (PVR) method used to predict the behavior of swelling clay soils.
Infrastructure, energy top CIGMAT 2014 agenda
Jayawardane NS, Meyer WS, Barrs HD (1983) Moisture measurement in a swelling clay soil using neutron moisture meters.
Field swelling, shrinking, and water content change in a heavy clay soil
Despite the above-mentioned drawbacks, the alkylammonium method is considered to be the most reliable method for measuring the layer charge of swelling clay minerals in a mixture of minerals.
Layer charge characteristics of smectites from Vertosols (Vertisols) of New South Wales

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