Reinforcement of forest roads Stora Enso Neoloy Geocells
ASP-GC Europe participates with Neoloy geocells in forest road projects where forestry companies, transport operators and the research institute Skogforsk are project owners.
In the project, each forestry company built a trial road to test solutions for increasing load-bearing capacity. SCA constructed sections with varied crown slopes of 10%, 5%, and 0%, The finding that a 5% crown slope provided optimal performance, and additionally tested the benefit of constructing a rolling dip for improved drainage out of the project frame.
Holmen tested stabilization additives in Trosa, which improved bearing capacity, though costs were higher due to pre-stabilization watering. Holmen also found that an improved compaction method on clayey material boosted bearing capacity by 20% compared to its reference (unstabilized) road section.
Sveaskog’s built a pilot road in Överkalix on sandy road materials and tried to increase the bearing capacity by increased compaction but found minimal benefits due to the road’s composition.
Stora Enso used geocells in Värmland, enhancing bearing capacity by up to 64% and making it possible, for the first time in Sweden’s forest industry, to construct a gravel road on waterlogged soil. In addition, the geocells delivered substantial cost and performance benefits compared to traditional methods.
Kopparfors improved drainage with stone mattresses in Ludvika, increasing bearing capacity based on their placement and number