Steel Sheet Piling – A sustainable Answer

Andrew Verity

In the proceedings of: GeoMontréal 2013: 66th Canadian Geotechnical Conference; 11th joint with IAH-CNC

Session: Foundations II

ABSTRACT: Steel is the most recyclable material. Most of the steel produced in North America is from recycling existing steel products such as end-of-life vehicles and scrap. To recycle these steel products, they are melted down in an Electric Arc Furnace and then cast into billets. The steel making process does require important energy input which can be optimized by hot charging when the billet goes straight into rolling. Otherwise, the billets need to be reheated before being rolled into finished products such as rebar, rounds, flats and structural shapes like channels, beams, H-Piling and Sheet Piling. Sheet Piling has numerous temporary applications such as cofferdams and trenches but also numerous permanent applications such as bulkheads, retaining walls or bridge abutments. When designing such a structure, the selection process should consider the many advantages of steel sheet piling, not least its sustainability as a construction material.

RÉSUMÉ: matériel le plus recyclable. La quasi totalité Amérique du Nord provient du recyclage de produits en acier tels que véhicules en fin-de-vie et de ferraille de récupération. Pour recycler ces produits, ils sont fondus dans un Four à Arc Électrique et ensuite coulés en lingots. e optimisé en chargeant a chaud, c'est-à-directement roules après coulage. rouler en produits finis tels que barres ou produits structurels tels que poutres, pieux H ou palplanches. Les palplanches ont de nombreuses applications provisoires telles que batardeaux et tranchées mais également de nombreuses applications permanentes telles que murs de quai, murs de soutènement ou culées de pont. Lors du dimensionnement de tels ouvrages et du choix du procédé, lingénieur se doit de considérer les nombreux avantages des palplanches en acier, et en particulier la durabilité écologique du matériau.

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