Tissue paper soil brick

Material category:

Soil / Soil based (organic/mineral)

Identification number:

19-7307-004-a

Sample produced by:

NG Kwok Jing James

Sample date:

1 Nov 2019 (Produced)

Sample condition:

Intact

Process-driven material

The extracted soil from a construction site at HKU campus consists almost entirely of sand. To improve plasticity, 25% clay and 10% grinded tissue paper were added to the mix. After compressing, the bricks were dried in a climate chamber at 80°C for about 30 minutes.

Location of Sample Extraction:

Conference Centre, HKU, University Drive, Lung Fu Shan, Hong Kong Island, Hong Kong

22.28190520000001, 114.1374791

Surface Condition:

Other

Depth of sample extraction:

60 - 80 cm

Slope at extraction point:

< 35°

Land Use:

Vacant land/construction in progress

Natural or imported material:

Imported

State:

Object/Composite

Color:

2.5YR 4/3

Soil Structure

Organic Matter: 0.0 %

Coarse: 0.0 %

Sand: 95.0 %

Silt: 5.0 %

Clay: 0.0 %

Ecological Attributes

Recycling potential: High

Fabrication Process

Forming (including compacting/compressing)

Properties

Porous

Textured

Form

Block

Sensory Attributes

Touch: Firm

Tactile Warmth: Warm

Flexibility: Stiff

Resilience: Brittle

Odour: None

Glossiness: Matte

Transparency: Opaque