expansive soil

expansive soil

Soil that tends to increase in volume as a result of an increase in its water content.
References in periodicals archive ?
Poor Drainage: Clogged gutters, improperly positioned downspouts, landscaping too close to the foundation These can all create situations of poor drainage, external pressure, or expansive soil, and cause foundation damage.
Expansive soil is known as problematic soil causing detrimental effect on pavement system.
2) and a high swelling potential (free swell index = 50%); therefore, it has been described as expansive soil.
Some specific topics include a shallow slope stability analysis method for a vegetated slope, shear strength characteristics of fissure planes in expansive soil, and visualization of grout permeation inside transparent soil.
Remolded samples of clay procured from an expansive soil area in Pakistan were prepared by compacting them at varying moisture content and dry density.
2000) indicated that the expansive soil in the area belongs to eluvial class fissured clay.
Field study of rainfall infiltration into a grassed unsaturated expansive soil slope, Canadian Geotechnical Journal 44: 392-408.
Effect of aging on swelling and swell-shrink behavior of a compacted expansive soil.
Among the topics are modeling resilient modulus of unbound granular materials under repeated loading, measuring soil air suction change during the freezing-thawing process, the pumping test data analyses of andesite rock blocks aquifer with varied hydraulic boundaries by generalized radial flow model, and the numerical simulation of soil-pile interaction in expansive soil foundations.
The principle of the current provisions aiming at getting rid of shrinking and swelling problems of some soils rests on two possible choices [16]: Either to adapt the structure to the movements of soils; or to intervene on expansive soil.
This featured project highlights the effects of poor-quality gunite, particularly when it meets expansive soil.