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Article
2000
Measuring Techniques for the Assessment of the Trafficability of Fen Grasslands
Measuring Techniques for the Assessment of the Trafficability of Fen Grasslands
Tölle, Rainer Prochnow, Annette Kraschinski, Sven
Abstract (English)
Fen grasslands belong to the vertically layered soils with a strong and very variable top layer, the gras sod, on a weak soil base, the peat. Mea- suring techniques for trafficability assessment must reflect the site- specific load-bearing capacity of the ground with sufficient accuracy and show a close relation to permissible mechanical load-input by machine- ry. Furthermore, they must be applicable with tolerable expenditure. In this paper, examinations with a penetrometer, a plate test device, and a shear vane are presented. The cone index only allows for insufficient estimation of the impact of vegetation on the load-bearing capacity. The- re is only a very loose correlation between the values of mechanical load-input by vehicle variants and the necessary cone index. On fen grassland, the load-penetration curves obtained with a plate test device exhibit a typical course with a more or less distinct pressure maximum. Its correlations to soil moisture content and vegetation in principle allow this measuring technique to be used for the assessment of the load- bearing capacity. This also applies to the prediction of the permissible load-input during the passage of vehicles. However, since a large amount of data is necessary, the expenditures required for plate tests are too high. The shearing vane enables the load-bearing capacity of the the ground and the permissible load-input to be established with sufficient precision. It is therefore an appropriate measuring technique for the as- sessment of the trafficability of fen grasslands on the basis of empirical relations.
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Agrartechnische Forschung, 6 (2000), 3. ISSN: 0948-7298
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Faculty of Agricultural Sciences
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Institute of Agricultural Engineering
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Cite this publication
Tölle, R., Prochnow, A., & Kraschinski, S. (2000). Measuring Techniques for the Assessment of the Trafficability of Fen Grasslands. Agrartechnische Forschung, 6(3). https://hohpublica.uni-hohenheim.de/handle/123456789/10428
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English
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630 Agriculture
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Sustainable Development Goals
BibTeX
@article{Tölle2000,
url = {https://hohpublica.uni-hohenheim.de/handle/123456789/10428},
author = {Tölle, Rainer and Prochnow, Annette and Kraschinski, Sven et al.},
title = {Measuring Techniques for the Assessment of the Trafficability of Fen Grasslands},
journal = {Agrartechnische Forschung},
year = {2000},
volume = {6},
number = {3},
}