Expansive clay, also called expansive soil, is a clay soil prone to large volume changes (swelling and shrinking) directly related to changes in water...

less than 40% clay are called loam. Soils high in swelling clays (expansive clay), which are clay minerals that readily expand in volume when they absorb...

more than half the clay content should be expansive clays, with the remainder non-expansive illite or kaolinite. Too much expansive clay results in uneven...

Expansivity may refer to: Expansive homeomorphism Expansive Poetry Expansive clay Expansive Catasetum Expansive drill bit Expansive Heart Expansion (disambiguation)...

spaces filled with clay minerals. Clay chemistry – The chemical structures, properties and reactions of clay minerals Expansive clay – Clay soil prone to swelling...

Green, Eric. "Foundations of Expansive Clay Soil" (PDF). Archived from the original (Part 1 – The Science of Expansive Clay) on 27 May 2008. "3 Land Resources"...

Bentonite composed predominantly (>70%) of montmorillonite or other expansive clays, are preferred and most commonly used in GCLs. A general GCL construction...

cause problems to the structure which the foundation is supporting. Expansive clay soils can also cause problems. Underpinning Structural settlement Interference...

the Irvinton House Museum in Richmond, Kentucky. In 1853, Clay granted 10 acres of his expansive lands to John G. Fee, an abolitionist who founded the town...

is problematic and is known as shrink–swell soil, or expansive soil. The amount of certain clay minerals that are present, such as montmorillonite and...

65% – 75%. Soils with low clay content, or with no more than 15% non-expansive clay, are suitable for stabilized earth. The clay percentage may be reduced...

not be used in areas with expansive clay soil. While elevated structural slabs actually perform better on expansive clays, it is generally accepted by...

ion-exchange capacity determines the swelling capacity of swelling or expansive clay such as montmorillonite, which can be used to "capture" pollutants and...

primarily from an appropriate mix of fairly dry inorganic subsoil, non-expansive clay, sand, and aggregate. Forming compressed earth blocks requires dampening...

species to grow, and forest is uncommon. Vertisols have a high content of expansive clay minerals, many of them belonging to the montmorillonites that form deep...

blackland prairies and is the Texas state soil. The series is composed of expansive clays and is considered one of the classic vertisols. Houston black soils...

effective in attenuating heaving of expansive subgrade clay soils. A field test project on Amtrak's NE Corridor suffering clay mud-pumping demonstrated how the...

be caused by frost heave or the swelling of expansive soils. Expansive soils, such as certain types of clay, may swell as a result of canal discharge,...

portal Argillaceous minerals Bentonite Clay Clay chemistry Clay mineral Clay–water interaction Expansive clay Hectorite Montmorillonite Nontronite Saponite...

various forms of expansive clay. Generally impervious to water, clays are useful in creating the core of earthen dams. Expansive clays, in particular,...

occurs when soils dry and the potassium is bonded between layers of 2:1 expansive clay minerals such as illite, vermiculite or montmorillonite. Under certain...

blackland prairies were some of the first areas farmed in Texas. Highly expansive clays with characteristic dark coloration, called the Houston Black series...

McManus. Published Vol 5, No3, September 1996 Road and Transport Research Expansive Clay soils and Vegetative influence on shallow foundations, ASCE Geotechnical...

reconstruction of its lone runway. Officials found soil issues from expansive clay at the airport only a few years after its opening, and sealed cracks...

Stabilization can be used to treat a wide range of sub-grade materials from expansive clays to granular materials. Stabilization can be achieved with a variety...

codes, at a water content of 50%[clarification needed] for expansive soils, like expansive clays. Hydraulic conductivity tests There are several tests available...

performance. In many modern tract homes, especially those built upon expansive (clay) soil the building is constructed upon a single and relatively thick...

the company, he set the goal of producing one bomber per hour at Ford's expansive Willow Run manufacturing complex, where the B-24 was produced. It was...

regions are also apt to accumulate carbonates and certain types of expansive clays (calcrete or caliche horizons). In tropical soils, when the soil has...

capacity of 300 kilopascals (6,300 lb/sq ft). Soils such as sand, peat and expansive clay, and areas subject to subsidence or liquefaction are not considered...