Accession Number : ADA290888

Title :   SMIAC Bulletin, Volume 95- 2, January 1995. Soil Suction.

Corporate Author : ARMY ENGINEER WATERWAYS EXPERIMENT STATION VICKSBURG MS

PDF Url : ADA290888

Report Date : JAN 1995

Pagination or Media Count : 4

Abstract : Foundation and pavement damage often results from construction on reactive clay soils where the potential for differential movement is affected by moisture migration. One might expect moisture to move readily from soils with high water contents to those with low water contents. Such predictions are reasonable when the soils have similar grain sizes. But what happens when soil gradations are not alike? Moisture has actually been shown to move from coarse grained sands with low water contents to clays with much higher water contents because of negative pore water pressure sometimes referred to as soil suction. Researchers have identified soil suction as a useful predictor of the potential for damaging movement in areas where reactive clay is prevalent. (MM)

Descriptors :   *CLAY, *PORE PRESSURE, *SOIL STRUCTURE INTERACTIONS, PERMEABILITY, PAVEMENTS, MOISTURE CONTENT, FOUNDATIONS(STRUCTURES), SUCTION, GEOTECHNICAL ENGINEERING.

Subject Categories : Soil Mechanics

Distribution Statement : APPROVED FOR PUBLIC RELEASE