In the aftermath of the volcanic eruption that struck the Pacific Island of Tonga in early 2022, essential reconstruction efforts were undertaken to strengthen and protect the nation`s key maritime infrastructure. One of the most critical priorities was safeguarding the Queen Salote International Wharf seawall from future cyclonic wave attacks.
In this project, Kyowa Filter Unit® Rockbags were chosen as the preferred solution by Haskoning, the Consulting Engineers. Their use delivered a combination of performance, speed, flexibility, and high environmental credentials.
To meet the site’s unique conditions, the Filter Unit® Rockbags were installed using a flat placement method, optimising stability on the limited slope angle. In an effort to promote sustainability, they were filled with locally- sourced recycled concrete, reducing the need for scarce natural rock, and lowering the project’s overall carbon footprint.
This project is another strong example of how Kyowa Filter Unit® Rockbags are protecting critical infrastructure across the globe — combining innovative engineering with environmental care.
📸 Images and project story courtesy of Bluemont
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