MacArmour & SteelGrid

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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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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Η προστασία από βραχοπτώσεις και ο περιορισμός των φυσικών κινδύνων αποτελούν βασικά στοιχεία για την ασφάλεια των οδικών δικτύων και των δικτύων υποδομής. Το αντικείμενο του έργου αφορά στις επεμβάσεις για την επείγουσα αποκατάσταση των ζημιών (καθιζήσεις οδοστρώματος, διαβρώσεις και κατολισθήσεις πρανών, καταπτώσεις βράχων, προβλήματα επιχωμάτωσης και καταστροφή τεχνικών έργων απορροής ομβρίων κτλ. ) που προκλήθηκαν στο Επαρχιακό Οδικό Δίκτυο της Π. Ε. Χανίων, ύστερα από τα έντονα καιρικά φαινόμενα τον Φεβρουάριο 2019.

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