Geotechnical fill
Lightweight embankment over soft ground and backfill behind retaining walls, designing out settlement and lateral pressure.
Geotechnical & infrastructure
Leca Infra 10–30
Product code ALI-1030
Lightweight embankment fill at a fifth of the weight of soil.
10–30 mm at 250–300 kg/m³ with an internal friction angle of about 35°.
- Grain size
- 10–30 mm
- Loose bulk density
- 250–300 kg/m³
Description
For road embankments over soft ground, backfill behind retaining walls, and reducing lateral earth pressure.
Its free-draining structure removes pore water pressure behind the retaining structure — the factor behind a large share of retaining wall failures.
Its free-draining structure removes pore water pressure behind the retaining structure — the factor behind a large share of retaining wall failures.
Packaging & shipping
- Bulk tipper 60–90 m³
Standards
- EN 15732
- EN 13055-2
Technical data
| Grain size | 10–30 mm |
|---|---|
| Loose bulk density | 250–300 kg/m³ |
| Particle density | 480 kg/m³ |
| Crushing resistance | 0.8 MPa |
| Thermal conductivity | 0.09 W/m·K |
| Water absorption (24 h) | 20 % |
| pH | 7.4 |
| Fire resistance | 1150 °C |
Values published in datasheets are typical production values within the stated tolerance band. They do not replace engineering design, mix-design trials, or the requirements of a project specification.
Applications
Filtration & water treatment
Filter bed and biofilm carrier in wastewater treatment and drainage systems.
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