Expansive clay is a clay soil that is prone to large volume changes (swelling and shrinking) that are directly related to changes in water content. Soils...

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...

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

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)...

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"...

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...

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

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

which it claimed as its historic territory.⁰ In 1853, Clay granted 10 acres of his expansive lands to John G. Fee, an abolitionist who founded the town...

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

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

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

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...

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

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,...

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

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...

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...

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...

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

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...

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...

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...

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

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...

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

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

the paper “Use of Geosynthetics to Mitigate Problems Associated with Expansive Clay Subgrades.” Vol. 28, No. 3, pp. 279-302. "Jorge G. Zornberg, Ph.D.,...

Madison as a key adviser and ally in Congress. Hamilton implemented an expansive economic program, establishing the First Bank of the United States, and...