Numerical modeling of soil compaction in a sugarcane crop using the finite element method

Silva, Raguiara P.; Rolim, Mário M.; Gomes, Igor Fernandes; Pedrosa, Elvira M. R.; Tavares, Uilka Elisa; Santos, Alexandre Nascimento dos

doi:10.1016/j.still.2018.03.019

Cited by 40 publications

(12 citation statements)

References 26 publications

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“…Changes in soil bulk density, water content at the field capacity and soil texture and structure may affected these soil physical functionalities. Furthermore, loss of soil structure and changes in soil texture due to intensive tillage for sugarcane monoculture systems and successive mechanized harvesting with heavy machinery (Silva et al 2018;Cavalcanti et al 2019) during long crop growth cycle seems to have induced consequent changes in pore architecture, soil particle size distribution which caused changes in soil water retention and negatively impacted field capacity.…”

Section: Effects Of Long-term Sugarcane Monoculture On Some Soil Physical Propertiesmentioning

confidence: 99%

Alluvial Soil Quality Indicators As Affected By Different Land-Uses. مؤشرات جودة التربة الطمييه تحت تأثير الاستخدامات المختلفة للأراضي.

El-Azeim

Menesi

El-Mageed

2021

Journal of Soil Sciences and Agricultural Engineering

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Soil deterioration and yield decline are the main factors affecting the environmental sustainability of long-term irrigated sugarcane monoculture. This research was conducted to detect changes of soil physical, chemical and physicochemical quality parameters associated with intensive irrigated sugarcane monoculture with groundwater for long term. Sugarcane monoculture resulted in a severe impact on some soil physical indicators of soil quality as increased the soil bulk density and reduced soil clay content, decreased soil aggregate stability and the water content at the field capacity causing decreases in soil porosity and decline in soil fertility. Significant impacts on some soil chemical indicators of soil quality were also recorded as reduced soil organic matter content and increased soil pH and EC producing soil salinity. Fields under long-term irrigated sugarcane monoculture had low OM values ranged from 2.09 to 2.61% while areas under crop rotation had the highest OM values ranged from 2.62 to 3.39%. Fields under sugarcane monoculture system had higher pH, EC and SAR values ranged from 7.96 to 8.41, from 2.98 to 4.22 dS m -1 and from 7.75 to 11%, while fields under crop rotation system had the lowest pH, EC and SAR values ranged from 7.64 to 7.92, 1.41 to 2.42 dS m -1 and from 4.51 to 5.86%, respectively. From these results, it could be concluded that long term sugarcane monoculture has significantly deteriorated soil physical and chemical properties indicating the urgent demand for more sustainable management practices to preserve soil quality.

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Section: Effects Of Long-term Sugarcane Monoculture On Some Soil Physical Propertiesmentioning

confidence: 99%

Alluvial Soil Quality Indicators As Affected By Different Land-Uses. مؤشرات جودة التربة الطمييه تحت تأثير الاستخدامات المختلفة للأراضي.

El-Azeim

Menesi

El-Mageed

2021

Journal of Soil Sciences and Agricultural Engineering

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“…A good approximation of the numerical results to those obtained in the experimental tests was also found in the study of Silva et al [28], with mean relative errors lower than 5%. Silva et al [36] made comparison of the simulation and experimental void ratio-log vertical effective stress curves of the oedometric tests on compacted soil for water contents of 10%, 15% and 20%.…”

Section: Figure 3 Time-compression Behavior Of the Stabilized Peat Umentioning

confidence: 99%

Analytical and Numerical Modelling of One-Dimensional Consolidation of Stabilized Peat

Wong

Somanathan

2019

Civ Eng J

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The objective of the paper is to compare and evaluate analytical and numerical solutions of one-dimensional consolidation of stabilized peat. The type of analytical method used to solve the problem is exact method by separation of variables and utilization of Fourier series. Plaxis 2D 8.2 Professional version software was used to find numerical solution to the problem by employing the finite element method. One-dimensional consolidation problem of stabilized peat was solved numerically and validated with the one solved analytically based on laboratory experimental results. From the results, it was discovered that the consolidation characteristics of stabilized peat evaluated numerically were found to have close approximation to those evaluated analytically. There is a novel value in developing an accurate numerical prediction for the vertical consolidation of stabilized peat considering the complexity of the soil treatment method. It must be noted that peat is highly problematic because it is produced from plant decomposition with extremely high organic matter. 399 for 7 days before testing. It is notable that oedometer consolidation apparatus is sufficient for testing the stabilized soil due to the fact that the soil was homogeneously mixed with the binding admixtures and silica sand. As such, it could be reliably used to simulate the one-dimensional deformation and drainage characteristics of the stabilized soil as the soil dissipation of excess pore water pressure became less significant over time due to the cementation process in the stabilized soil. Furthermore, the equipment set up for oedometer testing is simple and not time consuming as compared to that of a more advanced equipment such as Rowe consolidometer. The complexity of Rowe consolidometer setup is evident in the published work of Baral et al. [18] which is about the study of radial consolidation characteristics of soft clay based on large specimens. To develop a proper understanding and to ensure the reliability of the test results, it would be helpful to back analyze and validate the experimental results based on the analytical equation with the ones developed from numerical solution using Plaxis 2D 8.2 Professional version software. As such, the paper is concentrated at evaluating the results of one-dimensional consolidation tests from standard oedometer consolidation apparatus, which were determined based on the idealization of analytical model and later, validating the results using the finite element software.

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“…When conducting the research, two factors were changed: the speed of the movement and the angular speed of rotation of the cleaning tool. The tensometric tests were conducted in each mode of operation in five replications in accordance with the adopted methodology [10][11][12][13][14].…”

Section: Fig 2 General View Of Experimental Installation Under Fielmentioning

confidence: 99%

Experimental investigation of the energy-power characteristics of the cleaner of the root crop heads from the haulm

Bulgakov

Ivanovs

Santoro

et al. 2019

Engineering for Rural Development

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Sugar beet haulm is a valuable animal fodder or a raw material for biogas generation. The most important indicator of the work of the cleaners is their energy-power characteristics since they affect the amount of the operating costs and the economic performance, on the whole. The purpose of the experimental investigations was to determine the nature of the change in the torque moment and power on the drive of the vertical cleaner, tractive power, as well as the draft resistance of the root crop head cleaner. Experimental investigations were carried out under the field conditions. In order to study the draft resistance of the working tool, the tensometry method was used. Dependences of the change in the tractive power and the torque moment upon the speed of the movement of the experimental root head cleaner from the haulm residues have been determined. The rational modes of operation of the cleaner are: the forward speed of its movement, equal to 1.5 m•s-1 , the angular speed of rotation of the cleaning tool must be within 60.0...63.0 rad•s-1. The completeness of cleaning the root crop heads from the haulm residues by the experimental cleaner is 95.9 %, the degree of throwing of the haulm and the plant residues beyond the row is 99.96 %.

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Numerical modeling of soil compaction in a sugarcane crop using the finite element method

Cited by 40 publications

References 26 publications

Alluvial Soil Quality Indicators As Affected By Different Land-Uses. مؤشرات جودة التربة الطمييه تحت تأثير الاستخدامات المختلفة للأراضي.

Alluvial Soil Quality Indicators As Affected By Different Land-Uses. مؤشرات جودة التربة الطمييه تحت تأثير الاستخدامات المختلفة للأراضي.

Analytical and Numerical Modelling of One-Dimensional Consolidation of Stabilized Peat

Experimental investigation of the energy-power characteristics of the cleaner of the root crop heads from the haulm

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