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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 D6817-06a Standard Specification for Rigid Cellular Polystyrene Geofoam provides information on the physical properties and dimensions of
expanded polystyrene intended for use as geofoam. ASTM D7180-05 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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