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EPS Block Geofoam - Meeting Project Specifications
Foam density is a key consideration when bidding on a geofoam project. Achieving the minimum density in a geofoam specification is not a guarantee that other physical property requirements will be met, particularly the compressive resistance at 1% strain.
The American Standards and Testing Materials (ASTM) has two standards pertaining to EPS geofoam. ASTM D6817 Standard Specification for Rigid Cellular Polystyrene Geofoam provides information on the physical properties and dimensions of
expanded polystyrene intended for use as geofoam. ASTM D7180 Standard Guide for Use of Expanded Polystyrene (EPS) Geofoam in Geotechnical Projects covers design considerations for the use of EPS in geotechnical applications.
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