MacArmour et SteelGrid
Grillage pare-éboulis à haute résistance
MacArmour est un produit 2 en 1 qui combine un grillage double torsion avec des câbles de renfort en acier tissés directement dans les torsades du grillage, pendant le processus de fabrication. Les câbles sont disposés à entraxes variables longitudinalement et transversalement conférant au filet une excellente résistance à la traction dans les deux directions et une grande résistance au poinçonnement.
Steelgrid HR est un système innovant permettant d’atténuer les chutes de pierres et de consolider les talus. Il est utilisé comme grillage pendu ou plaqué en falaise ou sol meuble, lorsque les charges prévues dépassent la capacité du grillage traditionnel à double torsion. Le système Steelgrid HR de Maccaferri combine un en grillage double torsion avec des câbles de renfort en acier tissés dans les torsades du grillage dans le sens vertical, à entraxes variables, afin de réduire les déformations et augmenter la résistance à la traction du géocomposite.
Success Stories
Built, not just drawn
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CONFORTEMENT DU TALUS DE LA RD73 À BEG AR FROUT
France
Dans le cadre du confortement du talus bordant la RD73 sur la commune de Taulé (29), au site de « Beg Ar Frout », l'érosion chronique observée au fil des années menace à terme la stabilité de la voirie en contrehaut (RD73). Les travaux portaient . . .
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MALINAO-GENERAL LUNA ROAD SIARGAO ROCKFALL PROTECTION
Philippines
Siargao Island in the province of Surigao del Norte is known to be the Surfing Capital of the Philippines. Not just for surfers, Siargao's fascinating natural beauty captivates both local and foreign tourists. However, some areas are susceptible to landslides and other natural hazards due to the geologic setting and weather conditions. Certain sections of the road is confined by cut-slopes along its perimeter which is unprotected and presents the following risks: (1) erosion of soil – leading to slippery roads, (2) dislodgement of rocks leading to rockfall events, and (3) localized slope failure from surfacial instability. Even small rockfalls, or debris flows can block infrastructure and can have far-reaching economic effects beyond the immediate disruption.
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MIXED RSS FOR THE RRESHEN-KALIMASH HIGHWAY
Albania
The 103 km long motorway is a key connection between Durres Port, Albania's primary harbour on the Adriatic Sea and Kosovo. Journey times of between six and ten hours will be reduced to two by this new road and the new route will serve to stimulate the economy in Albania's North Eastern region. Due to the mountainous topography of the area, many sections of the motorway run alternately through large steep embankment fill sections and slope cuts, with soil reinforcement, rock-fall protection, erosion control and revegetation measures required. The availability of large quantities of rock fills generated by the slope excavations made the choice of embankment fills a more cost effective alternative to the construction of viaducts. Of the 70 retaining walls required, those up to 15m high were constructed of concrete. However, the 30 walls over 15m high were designed as reinforced soil structures to re-use site won fill and reduce the visual impact.
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MacArmour et SteelGrid
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MacArmour et SteelGrid
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