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This study aims to investigate how the subgrade strength and the location of a geogrid within a ballast layer affect the geosynthetic’s ability to stabilize railroad ballast. To do so, a total of thirteen large-scale cyclic load tests are performed on unreinforced tie–ballast assemblies and on tie–ballast assemblies reinforced with a geogrid placed...
Geosynthetics are commonly used in pavement reinforcement works. There are many references that show and quantify the benefits of their use, but not many of them discuss about their implementation on site. The aim of this paper is to identify the deviation between the empirical statements and the reality, that can be observed in field works. For th...
This paper highlights recent field studies at Emperor Alexander I St. Petersburg State Transport University, which helped quantify the geosynthetics reinforcement performance in railway ballast. For this purpose, the laboratory of engineering-geological surveys was used to create calibrated load on the railway track. The experimental results indica...
Embakments constructed on soft soils can have their performance compromised because of settlements due to consolidation or colapse of the soft foundation soils. The same can happen in case of embankments on collapsible soils. One way to avoid or minimise this type of problem is by using granular columns underneath the embankment. This paper present...
Forest roads not only enable the use of the productive potential of forests, but also have a significant impact on their non-productive functions, including tourism and recreation. Moreover, the density and technical condition of forest roads affect the effectiveness of forest protection and disaster prevention measures. The average density of the...
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... Although this intervention impedes the natural morphodynamics of the coast by preventing erosion, so that a static shoreline may develop, geosynthetic containers are considered a soft solution because, if an unforeseen environmental impact ensues, they can easily be sliced open and removed, spilling sand back onto the beach (Corbella and Stretch, 2012 ). Moreover, the use of geotextile tubes to create artificial dunes reduces costs, time and environmental damage, with the advantage of being adaptable to the morphology of the dune system and using locally available sand (Oumeraci et al., 2003; Stokes et al., 2012 ). Recent examples of successful application of geotextile tubes come from the coastal zones of USA (Harris and Sample, 2009), Australia (Jackson et al., 2004) and the Republic of Korea (Shin and Oh, 2007), where positive outcomes were obtained in terms of coastal protection. ...
