- Cob “mudcoat” and
- bioconcrete replicates spread
- on pine straw screen layer.
- Four types of stabilizers are
- added:
- - Portland cement
- - Wood ash (not slaked)
- - Wood ash (slaked)
- - Fly ash
- - Baseline clay soil, no stabilizer
- - Baseline portland cement and sand agrregate
- 1/8” finish coat of portland
- cement applied to half of the
- replicates.
- Image credit:
- Jana VanderGoot, 2023