Testing of subgrade stabilized with lime on an experimental road section
József Péterfalvi, Péter Primusz, Gergely Markó, Balázs Kisfaludi & Miklós Kosztka
Correspondence
Correspondence: Péterfalvi József
Postal address: H-9400 Sopron, Ady Endre u. 5.
e-mail: jpeterfa[at]emk.nyme.hu
Abstract
When constructing forest roads on cohesive soil, it is suitable to substitute sandy gravel sub-base course with lime stabilized subgrade. This solution reduces the volume of construction materials and at the same time moderates the unfavourable properties of cohesive soils. If the bearing capacity of the lime stabilized layer can be included in the bearing capacity of the pavement, then the costs of road construction can be reduced by reducing the thickness of the crushed stone course. To achieve this, the testing of the bearing capacity of the lime stabilized layer is necessary. It is suitable to complete the test on an experimental road-section practically in forest circumstances. Such an experimental road-section was constructed in cooperation between the Institute of Geomatics and Civil Engineering and the Zalaerdő Forestry Closed Company, within the frame of the Regional University Knowledge Centre of Forest and Wood Utilization. The results of this test clearly demonstrate that the local cohesive soil stabilized with suitable lime feeding can be the bearing layer of the pavement of forest roads.
Keywords: lime-stabilization, experimental road, forest road construction
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Cite this article as:
Péterfalvi, J., Primusz, P., Markó, G., Kisfaludi, B. & Kosztka, M. (2014): Testing of subgrade stabilized with lime on an experimental road section. Bulletin of Forestry Science, 4(1): 119-134. (in Hungarian)
Volume 4, Issue 1
Pages: 119-134
First published:
15 July 2014
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