compaction

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compaction

The process of compressing soil used to fill the low areas in a parcel of land. Developers typically obtain soil compaction reports before beginning development,but care must be taken to test more than the typical 6-foot depth.It is a common practice for excavating companies and unscrupulous landowners to use substandard fill material, such as tree trunks and other vegetation that will eventually decompose and reduce volume,and then properly compact only the top 6 feet of fill.Over time,the property will settle,possibly resulting in severe structural problems.

References in periodicals archive ?
It has been reported that as soils dry, topsoil compaction from wheeled agricultural implements is less (Silva et al.
When traffic frequency decreases, the compaction factor diminishes; this decrease is more gradual in a wet soil than a dry one (Hamza and Anderson 2005).
Our experiment examines the combined effects of different levels of soil water and a range of external loads (farm tractors) on soil compaction at three soil depths and relates these to the tyre/ground surface area contact between soil and farm machinery.
Since our intention was to study the effect of external load at certain soil water contents on soil compaction at different soil depths (0-100, 100-200, and 200-300 mm), enough water was applied to wet the first 400 mm of the soil.
This design allows for the direct forming of an OSB mat inside of the box, and the lid allows the mat to be compressed to different compaction ratios.
The experimental design for transverse permeability, shown in Table 1, consisted of six compaction ratios (target panel density/raw material density) for mats formed with 0.
This required the creation of a separate sample for each compaction ratio for a particular flake thickness (Fig.