In many parts of the UK large areas of land are unsuitable for construction because the soil is too wet, too cohesive or simply too weak to provide a stable base.
For many years it was common practice to remove unsuitable soil and replace it with new material. However this is an increasingly costly approach and construction companies are also under increasing pressure to use more sustainable construction methods.
See below, how soil stabilisation could be the best solution for your construction project.
Soil Stabilisation is the process of adding select binders to site soils to reduce moisture content to enable maximum compaction, in conjunction with chemically bonding the soils to enhance strength to an equivalent or higher value than imported aggregates. This allows composite aggregate strength layers to be formed in the construction make-up, allowing disposal and aggregate import to be significantly reduced.
Typically four processes:
- Lime Improvement / Bulk Modification (5% CBR)
- Capping Replacement Layer (15% CBR)
- Sub-base Replacement Layer (30% CBR)
- HBM Layer (Hydraulically Bound Material)
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