Evaluation of Foamed Glass Aggregate for Roadway Embankment Applications
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Key Points
The aim is to evaluate the feasibility and performance characteristics of foamed glass aggregate as a lightweight fill material for roadway embankments.
Conducted laboratory experiments on two types of FGA using dry and wet foaming agents.
Assessed basic characteristics like gradation, volumetric properties, and mechanical properties.
Performed pilot fill construction to determine field compaction acceptance criteria.
FGAs demonstrated viable lightweight fill material properties with low compacted unit weight.
Unique engineering properties include high friction angle, good thermal insulation, and high permeability.
Further research is suggested to monitor FGA performance in full-scale construction projects.
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Implication
Laboratory experiments evaluate the performance of foamed glass aggregate in infrastructure applications, suggesting potential for sustainable building.