Beech granulate 4.0–12.0 mm – with hemp hessian jacket (coaxial to load) · G. lucidum (BL_H)
✓ Reviewed content
Ganoderma lucidum (M9726) · Centre for IT and Architecture (CITA), Royal Danish Academy, Copenhagen (DK)
Recipe
How this sample was made, step by step · total growth 28 days-
1
Substrate
- Beech wood granulate KL 2/16 (4–12 mm; J. Rettenmaier & Söhne GmbH + Co KG, Rosenberg (DE))
- Hemp hessian fabric (Naturellement Chanvre, Echandelys (FR))
-
2
Sterilisation
- Method
- Autoclaving
- Details
- 121 °C, 15 min (substrate, fibres and fabric)
-
3
Inoculation
- Fungus
- Ganoderma lucidum · M9726
- Inoculum
- Grain spawn
- Rate
- 16 wt%
- Water content
- 40 %
-
4
Pre-growth
7 days- Where
- bag / container
-
5
Growth in mould
21 days- Mould
- aerated PETG moulds; pre-growth in PP filter bags (SacO2 PPD50/REH4+1/V22-49)
- Temperature
- 25 °C
- Light
- dark
-
6
Inactivation
- Method
- Oven drying
- Temperature
- 60 °C
- Duration
- 48 h
-
7
Specimen & testing
- Geometry
- prism 36 × 36 × 144 mm (nominal), dried 34 × 34 × 140 mm
- Dry density
- 264.05 kg/m³
- Measurements
- 3
Steps marked “not reported” were not stated in the source. Suggest missing details
Beech wood granulate 4.0–12.0 mm, with hemp hessian jacket (coaxial to load). Grown without an external mycelium skin.
Measurements
Mechanical
| Property | Value | n | Test standard | Conditions | |
|---|---|---|---|---|---|
| Compressive strength | 0.22393 ± 0.02588 MPa | 6 | ASTM D1037 (compression parallel to surface, short-column method) | stored at 4 °C / 65 % RH before testing; jacket coaxial to load ultimate strength, 223.93 ± 25.88 kPa in the paper; 1.0 mm/min |
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| Compressive modulus | 3.01 ± 0.46 MPa | 6 | ASTM D1037 (compression parallel to surface, short-column method) | stored at 4 °C / 65 % RH before testing; jacket coaxial to load 1.0 mm/min |
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Physical properties
Production
Substrate mix
Fungus & inoculation
- Fungus
- Ganoderma lucidum (M9726)
- Inoculum type
- Grain spawn
- Inoculation rate [wt%]
- 16
- Water content at inoculation [%]
- 40
- Sterilisation
- Autoclaving
- Sterilisation – details
- 121 °C, 15 min (substrate, fibres and fabric)
Growth
- Pre-growth (bag) [days]
- 7
- Growth in mould [days]
- 21
- Temperature [°C]
- 25
- Light
- dark
- Mould / mould material
- aerated PETG moulds; pre-growth in PP filter bags (SacO2 PPD50/REH4+1/V22-49)
Post-processing
- Inactivation
- Oven drying
- Inactivation – temperature [°C]
- 60
- Inactivation – duration [h]
- 48
Specimen
- Specimen geometry
- prism 36 × 36 × 144 mm (nominal), dried 34 × 34 × 140 mm
- Dry density [kg/m³]
- 264.05
Notes
Substrate, fibres and fabric adjusted to 40 % moisture with mineral water; mixed with 16 wt% spawn, 7 days in the bag, then broken up and packed into the mould together with the fibres. Fibre content given as count per layer, not as a mass share.
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