Relevant bibliographies by topics / Soil compaction

Contents

  1. Journal articles
  2. Dissertations / Theses
  3. Books
  4. Book chapters
  5. Conference papers
  6. Reports

Academic literature on the topic 'Soil compaction'

Author: Grafiati
Published: 4 June 2021
Last updated: 7 September 2023

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Journal articles on the topic "Soil compaction"

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Hussain, Sadam. "Effect of Compaction Energy on Engineering Properties of Expansive Soil." Civil Engineering Journal 3, no. 8 (September 4, 2017): 610. http://dx.doi.org/10.28991/cej-030988.

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Swelling of expansive clays is one of the great hazards, a foundation engineer encounters. Each year expansive soils cause severe damage to residences, buildings, highways, pipelines, and other civil engineering structures. Strength and deformation parameters of soils are normally related to soil type and moisture. However, surprisingly limited focus has been directed to the compaction energy applied to the soil. Study presented herein is proposed to examine the effect of varying compaction energy of the engineering properties i.e. compaction characteristics, unconfined compressive strength, California bearing ratio and swell percentage of soil. When compaction energy increased from 237 KJ/m3 to 1197 KJ/m3, MDD increased from 1.61 g/cm3 to 1.75 g/cm3, OMC reduced from 31.55 percent to 21.63 percent, UCS increased from 110.8 to 230.6 KPa, and CBR increased from mere 1 percent to 10.2 percent. Results indicate substantial improvement in these properties. So, compacting soil at higher compaction energy levels can provide an effective approach for stabilization of expansive soils up to a particular limit. But if the soil is compacted more than this limit, an increase in swell potential of soil is noticed due to the reduction in permeability of soil.
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Nugraha, Andrias Suhendra, Paulus Pramono Rahardjo, and Imam Achmad Sadisun. "Comparison of the Number of Compactor Passes and the Constrained Modulus of a Compacted Volcanic Soil." Journal of Mechanical, Civil and Industrial Engineering 4, no. 1 (February 13, 2023): 17–27. http://dx.doi.org/10.32996/jmcie.2023.4.1.3.

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Volcanic soil is often used as fill material in road embankment construction in Java island-Indonesia. An understanding of the engineering properties of compacted volcanic soils is needed, especially during the preliminary design phase and during the detailed design phase of the road embankment. Carrying out a field compaction trial test will significantly assist in the design of the compaction process of the road embankment construction. Selecting the correct number of passes from the compactor and the engineering properties of compacted volcanic soils can be obtained from field compaction trial tests. Constrained modulus is one of the engineering properties that can indicate the stiffness of the fill material used in a road embankment. This study aims to determine the constrained modulus of compacted volcanic soil and compare it to the number of passes of a compactor from the field compaction trial test. The volcanic soil used in this study is classified as pumiceous tuff, which is derived from older volcanic rocks. The highest value of the oedometer modulus of compacted volcanic soils is 10.38 MPa which comes from eight (8) times passes of smooth drum roller conducted on field compaction trial test.
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Shen, Pei Hui. "Hysteresis Modeling and Analysis for Dynamic Compaction." Advanced Materials Research 1037 (October 2014): 53–56. http://dx.doi.org/10.4028/www.scientific.net/amr.1037.53.

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The soil compactor is one of the most important construction machineries which play an significant role during our economic development. And the complicated nonlinear characteristic of equipment-material system is an interesting field in recent theoretical and applied investigations. According to experimental datum, a nonlinear model derived from piecewise linear was used to describe the hysteretic behavior of soil material during compaction. Through choosing proper model parameters, the nonlinear dynamic characteristics are commendably controlled which could represent different compacting stages. Furthermore, the series phase diagram and Poincare section were obtained by simulation. The hysteretic characteristics might be incarnating from periodic vibration to chaotic vibration. Further research proved that reducing the angular frequency of rotation may bring the chaotic vibration coming back to periodic vibration, which provided a good assistance for further study on hysteretic character of soil compaction and man-machine engineering on vibratory compacting system.
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Gomes, Romário Pimenta, Anderson Cristian Bergamin, Laércio Santos Silva, Milton César Costa Campos, Vínicius Augusto Filla, Mailson Ferreira Nascimento, Edicarlos Damacena de Souza, Jose Mauricio da Cunha, Reginaldo de Oliveira, and Ivanildo Amorim de Oliveira. "Compaction and Physical Attributes of the Soil After the Development of Cover Plants." Journal of Agricultural Science 10, no. 7 (June 8, 2018): 206. http://dx.doi.org/10.5539/jas.v10n7p206.

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Compaction problems in heavily tilled soils have been commonly mitigated with the use of cover plants. Aiming to evaluate the effects of compaction on the physical properties of a plyntic Haplic-Alitic Cambisol soil after development of different cover crops, a complete randomized blocks design experiment, with 3 × 3 factorial arrangement and four replications, was conducted. Treatments consisted of cultivation of two legume species, crotalaria (Crotalaria juncea L.) and stylosanthes cv. Campo Grande (Estilosantes capitata + Estilosantes macrocephala) and a grass species, brachiaria (Urochloa brizhantha cv. Marandu), subjected to soil compaction: CM–Conventional soil management (tillage) without additional compaction; CMc4 and CMc8–conventional soil management with additional compaction using a 6 Mg tractor in four and eight wheel passes. Conventional management with additional compaction does not affect significantly the physical attributes at a soil depth of 0.10-0.20 m, and only the soil moisture does not differ according to the soil management, irrespective of the depth and kind of cover plant. Traffic levels in four passes result in an increased soil bulk density and macroporosity in the 0.0-0.05 m, and in soil resistance to penetration and total porosity in the layer up to 0.10 m. Cover crops are important in maintaining soil physical quality to reduce the negative effects of compacting forces, especially to stylosanthes cv. Campo Grande that provided greater soil protection in systems with or without addition of compaction, conditioning the lowest values of bulk density and soil resistance to penetration.
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Chude, V. O., E. E. Oku, G. I. C. Nwaka, and M. S. Adiaha. "Soil compaction assessment as a manipulative strategy to improve soil biodiversity: an approach for meeting SDG two and six." Міжвідомчий тематичний науковий збірник "Меліорація і водне господарство", no. 1 (June 25, 2020): 131–43. http://dx.doi.org/10.31073/mivg202001-224.

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The rapid increase in soil deterioration has been a drawback to global development, acting like a barrier to sustainability of Agriculture and the environment. Biodiversity in soil plays a crucial role in ecosystem sustainability, but yet there exist a rapid deterioration in soil biodiversity especially due to increase soil toxins, chemical spills, wind erosion including the rapid down-pour by rainfall which destroys soil structure and degrade soil biota. Soil compaction reduction manipulation through tillage and application of fertilizer plays a major role for food production, apart from being a part of environmental sustainability strategy. Field studies was conducted, where the status of soil compaction was examined, a replicate of four (4) soil sample were collected at a twenty (20) points sampling station using the proportionate stratified random sampling technique. Laboratory analysis output indicated high soil compaction. Laboratory analysis output was ranked with FAO standardize rate for compaction effect on soil biodiversity. Result of the finding indicated high soil compaction with bulk density value range of 1,56 gcm-3 – 2,71 gcm-3 which was found to be too compact for sustainable soil biota development. And porosity value range of 1% - 41% was obtained, which indicated tight soil spore that can imped soil biodiversity. Correlation analysis (R2) revealed a positive correlation between topography and soil compacting, with a ranking output of the soil been poor in biodiversity (biota load). Outcome of this investigation concluded that proper tillage, application of fertilizer including organic matter be carried out for the study area soils and soils of its environs.
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Marins, Araceli Ciotti de, José Miguel Reichert, Deonir Secco, Doglas Bassegio, and Daniela Trentin Nava. "Crambe grain yield affected by compaction degrees of an Oxisol." Research, Society and Development 11, no. 3 (February 15, 2022): e12111326500. http://dx.doi.org/10.33448/rsd-v11i3.26500.

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Crambe is a new crop that produces oil used for biodiesel production. Soil compaction in a no-tillage (NT) system is one of the main challenges for sustainable grain production in soil clay. The objective of this study was to evaluate the effect of compaction degree on crambe grain yield over two years. The levels of artificial compaction were generated using a roller compactor (0, 1, 3, and 5 passes) under a NT system. The experimental design was a strip block, and soil density and crambe grain yield were evaluated. The passes of the roller increased the density from 0.98 to 1.24 Mg m−3 in the 0–0.1 m layer, and 1.03 to 1.15 Mg m−3 in the 0.1–0.2 m layer. As a result, the compaction degree increased from 53% to 66% in the 0–0.1 m layer and 54% to 61% in the 0.1–0.2 m layer. Five passes of the roller compactor reduced the crambe grain yield by 41% and 9% in the first and second years, respectively, compared to the NT system without additional compaction. The crambe grain yield was reduced when the compaction degree reached 53%; therefore, crambe is not suitable for compacted soils.
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Lopes, Bruna de Carvalho Faria Lima, Vinícius de Oliveira Kühn, Ângela Custódia Guimarães Queiroz, Bernardo Caicedo, and Manoel Porfírio Cordão Neto. "Structure evaluation of a tropical residual soil under wide range of compaction conditions." Géotechnique Letters 12, no. 2 (June 1, 2022): 1–8. http://dx.doi.org/10.1680/jgele.21.00101.

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Soil compaction is one of the most common techniques used to engineer the soil. It is especially appealing to developing countries for its cost-effective and sustainable attributes for improving the soil's geotechnical characteristics. The compaction process along with the complexity of residual soils, abundant in the tropics zone, can have an impact on the performance of geotechnical structures built with these soils. Therefore, it is important to understand the influence that certain compaction conditions have on the structure of these materials. To investigate that, mercury intrusion porosimetry tests were performed on compacted samples of a tropical residual soil from Brazil under different conditions of water content and compactive effort. Results show that the compacted soil under all studied conditions presents a bimodal pore-size distribution (PSD). It appears that the low availability of water within the macro-pores, hence suction, could have played a decisive role in maintaining the bimodal framework of the PSD. In this respect, this study contributes to a better understanding of the tropical residual soils’ structure when subjected to different compaction conditions, thus providing means to improve field applications.
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Lvovska, Tetyana, Tetyana Lytvynenko, and Alla Kariuk. "Soil Compaction Methods Development." International Journal of Engineering & Technology 7, no. 3.2 (June 20, 2018): 636. http://dx.doi.org/10.14419/ijet.v7i3.2.14605.

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A process of soil compaction methods development including new authors’ methodology is described. The importance of soil compaction for engineering purposes is substantiated. Preconditions for Proctor compaction test appearance are highlighted. Proctor’s approach and suggestions for the degree of soil compaction assessing are analyzed. Soviet version of Proctor’s equipment and Modified Proctor compaction test are given. Principal differences between Proctor test, Standard compaction test and Modified Proctor test are presented. The problems and disadvantages of existent soil compaction tests are revealed. New authors’ physical experiment methodology for patterns establishment of water migration in subgrade embankment depth, in the capacity factors of what it is accepted: clay soil type (its number plasticity); moisture, at what the soil was compacted; soil skeleton density; embankment height; «rest» time after subgrade erection and before it’s operation is developed and realized. By laboratory and field tests water migration patterns in compacted subgrade soils depth are established. As a result of statistical processing of research results, the empirical dependence of compacted clay soil stabilized moisture is obtained. Empirical dependence parameter corresponds to maximum molecular moisture capacity at what it is advisable to do the subgrade clay soils multilayer consolidation for their long-term strength ensuring.
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CARTER, M. R. "RELATIVE MEASURES OF SOIL BULK DENSITY TO CHARACTERIZE COMPACTION IN TILLAGE STUDIES ON FINE SANDY LOAMS." Canadian Journal of Soil Science 70, no. 3 (August 1, 1990): 425–33. http://dx.doi.org/10.4141/cjss90-042.

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Field studies concerned with soil physical properties require methods to quantify and characterize soil compaction, especially for tillage experiments. The bulk densities of a Charlottetown and Gowanbrae fine sandy loam were related to a maximum or standard compaction state for each soil to obtain a measure of relative compaction. The two soils were both classified as Orthic Humo-Ferric Podzols. Relative compaction was closely related to the volume of macropores (r2 = 0.85). Over a 3-yr period, mouldboard ploughing loosened the soil to give an average relative compaction of 77%. Subsequent soil consolidation and settling increased relative compaction to 84% over the growing season. Direct-drilling maintained relative compaction at a limited range of 88–91%. Relative grain yield of cereals was related (r2 = 0.69) using a polynomial curve to relative compaction. A range of 77–84% relative compaction was associated with a relative grain yield ≥ 95%. A relative compaction of 84–89% was considered the equilibrium soil density level for the two soils under study. This range was related to a macropore volume of 13.5–10% which is adequate for permeability but possibly inadequate for optimum soil aeration under a humid soil moisture regime. Overall, relative compaction provided a useful index or standard to assess changes in soil bulk density and proved to be a biologically meaningful soil physical parameter. Key words: Soil compaction indices, relative compaction, Podzolic soil, fine sandy loam, cereal yield
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Yang, S. R., H. D. Lin, and W. H. Huang. "Variation of Initial Soil Suction with Compaction Conditions for Clayey Soils." Journal of Mechanics 28, no. 3 (August 9, 2012): 431–37. http://dx.doi.org/10.1017/jmech.2012.52.

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AbstractIn this study, the initial soil suction of as-compacted clayey soils was evaluated for various compaction conditions, covering a wide range of compaction energy and molding water content. The soil specimens were prepared by impact compaction under three levels of compaction energy. The filter paper method was used to measure the initial soil suction of as-compacted specimens. Test results indicate that the relationship between the soil suction and the molding water content is bilinear under three different compaction energies. However, the effect of compaction energy on soil suction is different for the soils with different amounts of clay fraction and is elucidated by the macro soil properties. The change of soil suction due to different compaction energies can be predicted by the void ratio and the degree of saturation.
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Dissertations / Theses on the topic "Soil compaction"

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Browne, Michael John. "Feasability of using a gyratory compactor to determine compaction characteristics of soil." Thesis, Montana State University, 2006. http://etd.lib.montana.edu/etd/2006/browne/BrowneM1206.pdf.

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Keller, Thomas. "Soil compaction and soil tillage - studies in agricultural soil mechanics /." Uppsala : Dept. of Soil Sciences, Swedish Univ. of Agricultural Sciences, 2004. http://epsilon.slu.se/a489.pdf.

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Troost, Jan J. "Factors influencing laboratory vibratory compaction." Master's thesis, University of Cape Town, 1987. http://hdl.handle.net/11427/17651.

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Includes bibliography.
The thesis consists of a literature review and a limited experimental investigation in a soils laboratory. The objective of the literature review is to determine what standard laboratory test methods based on vibration exist for the control of compaction, to what soil types these tests are applicable and what the factors are which affect laboratory vibratory compaction. The study revealed that extensive research has been carried out in the USA and Europe, where standard laboratory compaction tests exist for the determination of the maximum dry density of cohesionless, free-draining soil. The US methods are based on the use of a vibratory table, while the European practice is based on the use of a vibratory tamper. No standard tests appear to exist for soil exhibiting cohesion, though limited research has been carried out in the USA into the behaviour of such soils under laboratory vibratory compaction. The factors; frequency, amplitude, mould size and shape surcharge intensity and manner of application, soil type, time of vibration, number of layers and moisture content are all reported to have an effect on the maximum dry density achievable. It has been recognised that significant interaction occurs between the factors affecting vibratory compaction, but the extent of the interaction appears to be only partly understood. The objective of the limited experimental program was to determine whether a specific graded crushed stone could be compacted to Modified AASHTO maximum dry density with a laboratory vibratory compaction technique using a vibratory table, and how this could best be achieved. The effects on dry density of changing the frequency, the time of vibration, mould size, surcharge pressure, grading and moisture content were investigated. It is concluded that the graded crushed stone in question can be compacted to Mod. AASHTO maximum dry density but that before reliable reproducible results can be achieved with this type of test further work is necessary. Such research should be aimed at investigating the interaction effect between the amplitude of vibration, the soil type and the type and intensity of the applied surcharge pressure.
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Mapfumo, Emmanuel. "Soil and plant response to compaction." Thesis, National Library of Canada = Bibliothèque nationale du Canada, 1997. http://www.collectionscanada.ca/obj/s4/f2/dsk3/ftp04/nq23028.pdf.

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Duval, Jean. "Assessing porosity characteristics as indicators of compaction in a clay soil." Thesis, McGill University, 1990. http://digitool.Library.McGill.CA:80/R/?func=dbin-jump-full&object_id=59275.

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Persistent soil compaction by heavy-axle-load vehicles is a growing concern for the long-term productivity of clay soils. For optimum soil management, however, we must be able to evaluate adequately soil structural damages. This study compares different methods of assessing soil structure as affected by compaction and subsoiling treatments in a clay soil under corn production.
The tests used were: total porosity as calculated from densimeter readings and from soil cores; structural porosity; water desorption characteristics; and soil profile examination. These tests were performed in three layers of 20 cm and evaluation was based on their practicality and their ability to differentiate between treatments and to correlate with corn yield.
The results confirm that total porosity is a poor indicator of compaction in the subsoil. In soil profile assessments, ped descriptions were preferable to examination of pores. Water content and saturation deficit at $-$4.0 and $-$100 kPa were the best indicators of treatments and plant response.
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Stinghen, Geovanne Silva. "Assessment of nitrogen efficiency in maize due to soil compaction and changes in soil physical properties /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p1422967.

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Malvajerdi, Ahmad Sharifi. "Development of a soil compaction profile sensor." Thesis, Cranfield University, 2004. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.414666.

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Allen, Sarah. "The low energy dynamic compaction of soil." Thesis, Cardiff University, 1996. http://ethos.bl.uk/OrderDetails.do?uin=uk.bl.ethos.338145.

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Nau, Kevin R. "Air permeability : a measure of soil compaction." The Ohio State University, 1987. http://rave.ohiolink.edu/etdc/view?acc_num=osu1299081025.

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Pengthamkeerati, Patthra. "Soil physical and microbiological properties affected by soil compaction, organic amendments and cropping in a claypan soil /." free to MU campus, to others for purchase, 2004. http://wwwlib.umi.com/cr/mo/fullcit?p3164537.

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Books on the topic "Soil compaction"

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Ontario. Ministry of Agriculture and Food. Soil compaction. S.l: s.n, 1988.

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Conlin, Timothy Shaun Stafford. Soil compaction studies. Victoria, B.C: Canadian Forest Service, 1996.

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Adams, Paul W. Soil compaction on woodland properties. Corvallis, Or: Oregon State University Extension Service, 1991.

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Transport Research Laboratory (Great Britain), ed. Compaction of soils and granular materials: A review of research performed at the Transport Research Laboratory. London: HMSO, 1992.

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Monnier, G., and M. J. Goss. Soil Compaction and Regeneration. London: Routledge, 2022. http://dx.doi.org/10.1201/9780203739365.

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Mooney, Michael A. Intelligent soil compaction systems. Washington, D.C: Transportation Research Board, 2010.

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McBride, R. A. Soil degradation risk indicator: Soil compaction component. Ottawa: Agriculture and Agri-Food Canada, 1997.

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ASTM Committee D-18 on Soil and Rock., ed. ASTM standards on soil compaction. Philadelphia, PA: ASTM, 1991.

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D, Soane B., and Ouwerkerk C. van, eds. Soil compaction in crop production. Amsterdam: Elsevier, 1994.

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ASTM Committee D-18 on Soil and Rock., ed. ASTM standards on soil compaction. 2nd ed. Philadelphia: ASTM, 1993.

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Book chapters on the topic "Soil compaction"

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Duncan, Chester I. "Soil Compaction." In Soils and Foundations for Architects and Engineers, 299–322. Boston, MA: Springer US, 1998. http://dx.doi.org/10.1007/978-1-4615-5417-2_12.

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Duncan, Chester I. "Soil Compaction." In Soils and Foundations for Architects and Engineers, 262–84. Boston, MA: Springer US, 1992. http://dx.doi.org/10.1007/978-1-4757-6545-8_10.

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Gratchev, Ivan, Dong-Sheng Jeng, and Erwin Oh. "Soil compaction." In Soil Mechanics Through Project-Based Learning, 53–62. London ; Boca Raton : CRC Press/Balkema is an imprint of the Taylor & Francis Group, an Informa Business, [2019]: CRC Press, 2018. http://dx.doi.org/10.1201/9780429507786-5.

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Johnson, C. E., and and A. C. Bailey. "Soil Compaction." In Advances in Soil Dynamics Volume 2, 155–78. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2002. http://dx.doi.org/10.13031/2013.9452.

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Silversides, C. R., and U. Sundberg. "Soil Compaction." In Operational Efficiency in Forestry, 129–31. Dordrecht: Springer Netherlands, 1989. http://dx.doi.org/10.1007/978-94-017-0506-6_10.

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Håkansson, I., and W. B. Voorhees. "Soil Compaction." In Methods for Assessment of Soil Degradation, 167–79. Boca Raton: CRC Press, 2020. http://dx.doi.org/10.1201/9781003068716-8.

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Chesworth, Ward, Marta Camps Arbestain, Felipe Macías, Otto Spaargaren, Otto Spaargaren, Y. Mualem, H. J. Morel‐Seytoux, et al. "Compaction." In Encyclopedia of Soil Science, 151–53. Dordrecht: Springer Netherlands, 2008. http://dx.doi.org/10.1007/978-1-4020-3995-9_118.

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Reddy, P. Parvatha. "Agricultural Soil Compaction." In Sustainable Intensification of Crop Production, 41–52. Singapore: Springer Singapore, 2016. http://dx.doi.org/10.1007/978-981-10-2702-4_3.

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Barnes, G. E. "Earthworks and Soil Compaction." In Soil Mechanics, 303–27. London: Macmillan Education UK, 1995. http://dx.doi.org/10.1007/978-1-349-13258-4_13.

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Barnes, Graham. "Earthworks and soil compaction." In Soil Mechanics, 471–508. London: Macmillan Education UK, 2017. http://dx.doi.org/10.1057/978-1-137-51221-5_13.

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Conference papers on the topic "Soil compaction"

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Melvin, Stewart W., and Donald C. Erbach. "Soil Compaction Research Summary." In Proceedings of the First Annual Crop Production and Protection Conference. Iowa State University, Digital Press, 1991. http://dx.doi.org/10.31274/icm-180809-370.

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J.-L, Briaud, and Saez D. "Soil Compaction: Recent Developments." In International Conference on Ground Improvement & Ground Control. Singapore: Research Publishing Services, 2012. http://dx.doi.org/10.3850/978-981-07-3559-3_101-0003.

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Landsburg, Sandra L., Karen R. Cannon, and Nancy M. Finlayson. "Effects of Pipeline Construction on Soil Compaction." In 1996 1st International Pipeline Conference. American Society of Mechanical Engineers, 1996. http://dx.doi.org/10.1115/ipc1996-1946.

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A study was initiated in 1988 to evaluate the effects of pipeline construction on soil compaction in the province of Alberta. Cone penetration resistance (soil strength) of soils was monitored to a depth of 31.5 cm at 14 study areas. Soil strength measurements were taken from right-of-way locations as well as from an adjacent undisturbed control. Soil strength information from the 14 study areas suggests that pipeline construction procedures can cause changes in soil strength on pipeline rights-of-way. Decreases in soil strength on the RoW compared to adjacent controls are more common than increases. These differences in soil strength appear to be short lived. In the majority of cases most differences, both increases and decreases, had disappeared one year after construction.
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Erbach, Donald C. "Soil Compaction and Crop Growth." In 3rd Agricultural Machinery Conference (1987). 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1987. http://dx.doi.org/10.4271/872012.

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Melvin, Stewart W. "Soil Compaction Problems of 1993." In Proceedings of the 1992 Crop Production and Protection Conference. Iowa State University, Digital Press, 1993. http://dx.doi.org/10.31274/icm-180809-451.

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Erbach, Don. "Farm Equipment and Soil Compaction." In 37th Annual Earthmoving Industry Conference. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1986. http://dx.doi.org/10.4271/860730.

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"Soil compaction resulting from different soil tillage systems." In 2014 ASABE Annual International Meeting. American Society of Agricultural and Biological Engineers, 2014. http://dx.doi.org/10.13031/aim.2014189416.

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Reed Turner and Randy L. Raper. "Soil Stress Residuals as Indicators of Soil Compaction." In 2001 Sacramento, CA July 29-August 1,2001. St. Joseph, MI: American Society of Agricultural and Biological Engineers, 2001. http://dx.doi.org/10.13031/2013.7307.

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"Soil compaction resulting from different soil tillage systems." In 2014 ASABE Annual International Meeting. American Society of Agricultural and Biological Engineers, 2014. http://dx.doi.org/10.13031/aim.20141894167.

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Dargitz, Larry L. "The Lampson Dynamic Compactor for Effective Soil Compaction and Stabilization." In 1988 SAE International Off-Highway and Powerplant Congress and Exposition. 400 Commonwealth Drive, Warrendale, PA, United States: SAE International, 1988. http://dx.doi.org/10.4271/881228.

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Reports on the topic "Soil compaction"

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Gantzer, Clark J., Shmuel Assouline, and Stephen H. Anderson. Synchrotron CMT-measured soil physical properties influenced by soil compaction. United States Department of Agriculture, February 2006. http://dx.doi.org/10.32747/2006.7587242.bard.

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Methods to quantify soil conditions of pore connectivity, tortuosity, and pore size as altered by compaction were done. Air-dry soil cores were scanned at the GeoSoilEnviroCARS sector at the Advanced Photon Source for x-ray computed microtomography of the Argonne facility. Data was collected on the APS bending magnet Sector 13. Soil sample cores 5- by 5-mm were studied. Skeletonization algorithms in the 3DMA-Rock software of Lindquist et al. were used to extract pore structure. We have numerically investigated the spatial distribution for 6 geometrical characteristics of the pore structure of repacked Hamra soil from three-dimensional synchrotron computed microtomography (CMT) computed tomographic images. We analyzed images representing cores volumes 58.3 mm³ having average porosities of 0.44, 0.35, and 0.33. Cores were packed with < 2mm and < 0.5mm sieved soil. The core samples were imaged at 9.61-mm resolution. Spatial distributions for pore path length and coordination number, pore throat size and nodal pore volume obtained. The spatial distributions were computed using a three-dimensional medial axis analysis of the void space in the image. We used a newly developed aggressive throat computation to find throat and pore partitioning for needed for higher porosity media such as soil. Results show that the coordination number distribution measured from the medial axis were reasonably fit by an exponential relation P(C)=10⁻C/C0. Data for the characteristic area, were also reasonably well fit by the relation P(A)=10⁻ᴬ/ᴬ0. Results indicates that compression preferentially affects the largest pores, reducing them in size. When compaction reduced porosity from 44% to 33%, the average pore volume reduced by 30%, and the average pore-throat area reduced by 26%. Compaction increased the shortest paths interface tortuosity by about 2%. Soil structure alterations induced by compaction using quantitative morphology show that the resolution is sufficient to discriminate soil cores. This study shows that analysis of CMT can provide information to assist in assessment of soil management to ameliorate soil compaction.
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Upadhyaya, Shrini, Dan Wolf, William J. Chancellor, Itzhak Shmulevich, and Amos Hadas. Traction-Soil Compaction Tradeoffs as a Function of Dynamic Soil-Tire Interation Due to Varying Soil and Loading Conditions. United States Department of Agriculture, October 1995. http://dx.doi.org/10.32747/1995.7612832.bard.

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The objectives of this study were to investigate soil-pneumatic tire interaction and develop traction-soil compaction prediction model. We have developed an inverse solution technique that employs a response surface methodology to determine engineering properties of soil in-situ. This technique is useful in obtaining actual properties of soil in-situ for use in traction and soil compaction studies rather than using the values obtained in the laboratory by employing remolded and/or disturbed soil samples. We have conducted extensive field tests i the U.S. to develop semi-empirical traction prediction equation for radial ply tires. A user friendly traction-soil compaction program was developed to predict tractive ability of radial ply tires using several different techniques and to estimate soil compaction induced by these tires. A traction prediction model that incorporates strain rate effects on the tractive ability of tires was developed in Israel. A mobile single wheel tester and an in-situ soil test device were developed i Israel to significantly enhance the ability of Israeli investigators to conduct traction-soil compaction research. This project has resulted in close cooperation between UCD, Technion, and ARO, which will be instrumental in future collaboration.
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Drnevich, Vincent, Aaron Evans, and Adam Prochaska. A Study of Effective Soil Compaction Control of Granular Soils. West Lafayette, IN: Purdue University, 2007. http://dx.doi.org/10.5703/1288284313357.

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Phifer, M. A. Unreviewed Disposal Question Evaluation: Backfill Soil Compaction Requirements. Office of Scientific and Technical Information (OSTI), April 2003. http://dx.doi.org/10.2172/810004.

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Gureev, I. I. Minimizing the soil compaction effect of agricultural equipment engines. НИЦ «Л-Журнал», 2018. http://dx.doi.org/10.18411/sb.2018.01.003.

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Alban, David H., George E. Host, John D. Elioff, and David A. Shadis. Soil and vegetation response to soil compaction and forest floor removal after aspen harvesting. St. Paul, MN: U.S. Department of Agriculture, Forest Service, North Central Research Station, 1994. http://dx.doi.org/10.2737/nc-rp-315.

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Russell, James R., and Justin J. Bisinger. Grazing System Effects on Soil Compaction in Southern Iowa Pastures. Ames (Iowa): Iowa State University, January 2015. http://dx.doi.org/10.31274/ans_air-180814-1308.

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Cochran, P. H., and Terry Brock. Soil compaction and initial height growth of planted ponderosa pine. Portland, OR: U.S. Department of Agriculture, Forest Service, Pacific Northwest Forest and Range Experiment Station, 1985. http://dx.doi.org/10.2737/pnw-rn-434.

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Rahman, Shahedur, Rodrigo Salgado, Monica Prezzi, and Peter J. Becker. Improvement of Stiffness and Strength of Backfill Soils Through Optimization of Compaction Procedures and Specifications. Purdue University, 2020. http://dx.doi.org/10.5703/1288284317134.

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Vibration compaction is the most effective way of compacting coarse-grained materials. The effects of vibration frequency and amplitude on the compaction density of different backfill materials commonly used by INDOT (No. 4 natural sand, No. 24 stone sand, and No. 5, No. 8, No. 43 aggregates) were studied in this research. The test materials were characterized based on the particle sizes and morphology parameters using digital image analysis technique. Small-scale laboratory compaction tests were carried out with variable frequency and amplitude of vibrations using vibratory hammer and vibratory table. The results show an increase in density with the increase in amplitude and frequency of vibration. However, the increase in density with the increase in amplitude of vibration is more pronounced for the coarse aggregates than for the sands. A comparison of the maximum dry densities of different test materials shows that the dry densities obtained after compaction using the vibratory hammer are greater than those obtained after compaction using the vibratory table when both tools were used at the highest amplitude and frequency of vibration available. Large-scale vibratory roller compaction tests were performed in the field for No. 30 backfill soil to observe the effect of vibration frequency and number of passes on the compaction density. Accelerometer sensors were attached to the roller drum (Caterpillar, model CS56B) to measure the frequency of vibration for the two different vibration settings available to the roller. For this roller and soil tested, the results show that the higher vibration setting is more effective. Direct shear tests and direct interface shear tests were performed to study the impact of particle characteristics of the coarse-grained backfill materials on interface shear resistance. The more angular the particles, the greater the shear resistance measured in the direct shear tests. A unique relationship was found between the normalized surface roughness and the ratio of critical-state interface friction angle between sand-gravel mixture with steel to the internal critical-state friction angle of the sand-gravel mixture.
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Page-Dumroese, Deborah S. Susceptibility of volcanic ash-influenced soil in northern Idaho to mechanical compaction. Ogden, UT: U.S. Department of Agriculture, Forest Service, Intermountain Research Station, 1993. http://dx.doi.org/10.2737/int-rn-409.

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