Tag Archives: versatech

Versa-Tech finds innovative uses for expanded polystyrene

As St. Louis prepared to rebuild an important downtown boulevard in 2010, an old massive railway tunnel was creating serious challenges for the project’s engineers. The tunnel needed to be filled to ensure it could support traffic on the rebuilt roadway. However, the fill material needed to be light enough not to push the original tunnel walls outward. Fortunately, Versa-Tech

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