percent compaction

percent compaction

[pər′sent kəm′pak·shən]
(engineering)
The ratio, expressed as a percentage, of dry unit weight of a soil to maximum unit weight obtained in a laboratory compaction test.
References in periodicals archive ?
The percent compaction required for embankments (i.
The typical scope of work may consist of: *Soil borings, materials sampling, transport & disposal; *Soils testing to provide soil percent compaction and soil classification; *Pavement testing to provide pavement composition, thickness, and density; and *Concrete testing to provide material composition, temperature, slump, air, shrinkage, and strength.
However the results from some other researches indicated a rather poor correlation between PFWD modulus and percent compaction for pavement layers (James et al.
First, the stiffness modules and percent compaction values of a certain layer (fourth layer with two replacements) were considered to ignore the effect of underlying layers stiffness in the analysis.
PFWD] is PFWD stiffness modulus (MPa); Comp is percent compaction (%) and w is moisture content (%).
Next he brought in engineered fill, laid down and compacted in 6-inch layers to bring the soil to 98 percent compaction, tested on site by a soils engineer.
The treated roads can always be driven on with safety at 100 percent compaction because this ensures that the road is stable.
Some even claim that dumping in gravel and crushed rock will result in 95 percent compaction meaning that the density of the dumped soil is 95 percent of the maximum density for that soil.
modulus of deformation, constrained modulus) can easily double when the density increases from 85 to 95 percent compaction (Gemperline and Gemperline 2011).
9, the bedding factor for concrete pipe more than doubles when the gravel density goes from uncompacted to 95 percent compaction.
The goal of a 92 percent compaction rate was achieved.
lifts, and compacted to a minimum of 90 percent compaction via the modified proctor method.