Wydawnictwo Uniwersytetu Przyrodniczego w Poznaniu

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Issue 14 (4) 2015 pp. 303-311

Sylwester M. Grajewski, Andrzej Czerniak, Adrian Kasztelan, Dariusz Kayzer, Paweł Szóstakowski

Uniwersytet Przyrodniczy w Poznaniu


Keywords: forest road carrying capacity, Light Weight Deflectometer LWG, static plate VSS test

. In forests, a frequent problem is obtaining of road in wetlands. This road is characterized by natural – difficult conditions of soil-water road investment. These conditions are usually dictated by a high groundwater level and occurrence of low load-bearing organic soils. Using technology based on geotextiles can be reduce the costs of road construction and the degree of interference in the environment. This paper presents the results of an experiment, whose primary objective was to compare the performance bearing capacity the forest road surface made of crushed rubble of technologies using geotextile reinforcement road base. Five experimental stretch on a forest road running through wetlands were established in autumn 2014. Surface stretch E consists of crushed rubble, other stretches A-D consist of geotextile with track reinforcement. The track reinforcement consisted in adding stronger fibres to the geotextile on the width of two vehicle tracks, so that a higher performance could be acheved of both of geotextile puncture, elongation and tensile strength in the area of movement of trucks transporting wood on forest roads. On the two stretches of geotextile laid flat and other two stretches wrapping it into a semi-mattress and covered with varied medium sand or crushed granite. In 2015, measurements were carried out of terrain bearing capacity (Evd, E1, E2) and the level of density surface Light Weight Deflectometer (LWG) and VSS test (static plate load test). Studies have shown that all the variants reinforceing the pavement structure made on the basis of geotextile had similar bearing capacity, while demonstrating significantly better performance compared to using technology rubble. At the same time studies have not shown the expected difference in bearing capacity surface between the tested technologies using different options to strengthen the geotextile.

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For citation:

MLA Grajewski, Sylwester M., et al. "Application of a geotextile to increase the bearing capacity forest roads in wetlands." Acta Sci.Pol. Silv. 14.4 (2015): 303-311. http://dx.doi.org/10.17306/J.AFW.2015.4.25
APA Grajewski, S. M., Czerniak, A., Kasztelan, A., Kayzer, D., Szóstakowski, P. (2015). Application of a geotextile to increase the bearing capacity forest roads in wetlands. Acta Sci.Pol. Silv. 14 (4), 303-311 http://dx.doi.org/10.17306/J.AFW.2015.4.25
ISO 690 GRAJEWSKI, Sylwester M., et al. Application of a geotextile to increase the bearing capacity forest roads in wetlands. Acta Sci.Pol. Silv., 2015, 14.4: 303-311. http://dx.doi.org/10.17306/J.AFW.2015.4.25
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