2007
DOI: 10.1590/s0100-204x2007000200015
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Soil compaction due to forest harvest operations

Abstract: -The objective of this work was to determine, through the use of the bearing capacity model, the traffic effects of the forest harvest operations on the preconsolidation pressure (σ p ), during one cycle of the eucalyptus plantation. The work was conducted using undisturbed soil samples, collected at the surface of the A horizon and in the top of the B horizon of an Udult (PA), Aquox (FX) and Udox (LA) soils. The undisturbed soil samples were used in the uniaxial compression tests. The soil sampling was done b… Show more

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Cited by 31 publications
(30 citation statements)
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“…The number of compacted samples did not differ much between horizons (Table 4), although higher compaction is usually noticed in the most shallow layers (Ampoorter et al, 2007;Dias Junior et al, 2007;Dias Junior et al, 2008). The upper BA horizon in these soils often presents a high mechanical strength and may become more severely hampered by additional compaction.…”
Section: Soil Compaction Caused By Harvester's Trafficmentioning
confidence: 92%
See 1 more Smart Citation
“…The number of compacted samples did not differ much between horizons (Table 4), although higher compaction is usually noticed in the most shallow layers (Ampoorter et al, 2007;Dias Junior et al, 2007;Dias Junior et al, 2008). The upper BA horizon in these soils often presents a high mechanical strength and may become more severely hampered by additional compaction.…”
Section: Soil Compaction Caused By Harvester's Trafficmentioning
confidence: 92%
“…It has been used as an indicator of the soil mechanical strength and load bearing capacity to estimate more accurately the risk of soil compaction in various studies regarding forest harvest operations (Dias Junior et al, 2008Martins et al, 2013;Leite, 2010). Soil precompression stress and hence soil load bearing capacity decrease exponentially with increase in soil moisture (Lima et al, 2006;Mosaddeghi et al, 2006;Dias Junior et al, 2007;Ajayi et al, 2013); making these soil properties specially relevant in management strategies aiming to minimize the risk of additional soil compaction caused by traffic with farm machinery (Dias Junior et al, 2005;Pais et al, 2013;Severiano et al, 2013).…”
Section: Introductionmentioning
confidence: 99%
“…Assim, para um correto planejamento das atividades mecanizadas, é necessário o conhecimento do comportamento compressivo em diferentes classes de solo (Dias Júnior et al, 2007), baseados no manejo e na variação do conteúdo de água no solo (Oliveira et al, 2003). A minimização dos impactos na estrutura dependerá da adequação da trafegabilidade das máquinas sobre o solo em diferentes condições climáticas ao longo da safra canavieira.…”
Section: Introductionunclassified
“…The maximum tension that the soil has been already subjected is known as pre-consolidation pressure (or historic tension), which reflects the history of soil tensions, indicating, theoretically, the highest pressure that the soil has already supported in the past, in addition to being also an estimation of soil load bearing capacity (Dias junior et al, 2007). Uniaxial compression tests have been used to evaluate soil compaction.…”
Section: Introductionmentioning
confidence: 99%