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Scenic railway from Benidorm to Dénia set to open again in the New Year after Rockfall Protection and Control Erosion work

dynamic-barrier_valencia

To ensure railway line safety and to stabilize the slopes our Dynamic Barriers and Geomat were chosen

The railway line between Benidorm and Dénia, in the Spanish Autonomous Community of Valencia, has been affected by slope instability that caused the line to be closed for two years. Our dynamic barriers together with our reinforced geomat Macmat were chosen to stabilize the slope and to guarantee rail security.

Line 9 of the Autonomous Government of Valencia Railway communicates with the municipalities of Benidorm and Dénia. It passes through the spectacular landscapes of the Valencian “Costa Blanca” on the east coast of Spain, and joins some interesting localities.

The safety of the 13 km-length of railway linking the localities of Calpe and Teulada have been affected by slope instability, with rocks measuring several tens of centimetres reaching the railway platform and others threatening to fall from the crest slope, with further erosion problems formed by clay and loamy levels on the slopes.

Initially the solution envisaged a homogenous actuation for all slopes consisting on a placement of a DT mesh. Along with the Contractor, we carried out an inspection of all slopes and proposed different solutions based on the slope geology and the problems presented. As a result, a RB 1500 Dynamic Barrier of 4 meters high was proposed where there was a risk of blocks falling and reaching the platform. Where erosion was present, a green geomat MacMat R was put in place to deal with the problem.

The RB 1500 rockfall barrier is capable of withstanding the impact of a rock block with energy levels in excess of 1.500 kJ. The MacMat R 8127 GN is a geomat made from a three-dimensional matrix of UV stabilized, non-degradable synthetic fibers, extruded onto a double twisted steel woven mesh. It is used on vulnerable soil slopes, exposed to erosion. MacMat R immediately increases the soil’s resistance to erosion by providing an environment that enhances the growth of vegetation through the mat.

Installation works were carried out from April to July 2018 by GESPROTAL. This together with some improvements being carried out on the railway platform will allow this railway platform to reopen in January 2019.

Download our Case History to learn more on this project.

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