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- Q618290 subject Q7469421.
- Q618290 subject Q8759368.
- Q618290 abstract "In geotechnical engineering, soil compaction is the process in which a stress applied to a soil causes densification as air is displaced from the pores between the soil grains. When stress is applied that causes densification due to water (or other liquid) being displaced from between the soil grains then consolidation, not compaction, has occurred. Normally, compaction is the result of heavy machinery compressing the soil, but it can also occur due to the passage of (e.g.) animal feet. In soil science and agronomy, soil compaction is usually a combination of both engineering compaction and consolidation, so may occur due to a lack of water in the soil, the applied stress being internal suction due to water evaporation as well as due to passage of animal feet. Affected soils become less able to absorb rainfall, thus increasing runoff and erosion. Plants have difficulty in compacted soil because the mineral grains are pressed together, leaving little space for air and water, which are essential for root growth. Burrowing animals also find it a hostile environment, because the denser soil is more difficult to penetrate. The ability of a soil to recover from this type of compaction depends on climate, mineralogy and fauna. Soils with high shrink-swell capacity, such as vertisols, recover quickly from compaction where moisture conditions are variable (dry spells shrink the soil, causing it to crack). But clays which do not crack as they dry cannot recover from compaction on their own unless they host ground-dwelling animals such as earthworms — the Cecil soil series is an example.".
- Q618290 thumbnail CaseCrawlerWithTamper3658.JPG?width=300.
- Q618290 wikiPageExternalLink www.denichsoiltest.com.
- Q618290 wikiPageExternalLink Green_Infrastructure.html.
- Q618290 wikiPageExternalLink soil-compaction-%e2%80%93-not-conducive-to-root-growth.
- Q618290 wikiPageExternalLink online.php.
- Q618290 wikiPageWikiLink Q1131760.
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- Q618290 wikiPageWikiLink Q7469421.
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- Q618290 wikiPageWikiLink Q8759368.
- Q618290 wikiPageWikiLink Q889539.
- Q618290 wikiPageWikiLink Q9161265.
- Q618290 comment "In geotechnical engineering, soil compaction is the process in which a stress applied to a soil causes densification as air is displaced from the pores between the soil grains. When stress is applied that causes densification due to water (or other liquid) being displaced from between the soil grains then consolidation, not compaction, has occurred. Normally, compaction is the result of heavy machinery compressing the soil, but it can also occur due to the passage of (e.g.) animal feet.".
- Q618290 label "Soil compaction".
- Q618290 depiction CaseCrawlerWithTamper3658.JPG.