Construction site mix brick

Material category:

Soil / Soil based (organic/mineral)

Identification number:

19-7307-005-b

Sample produced by:

KWONG Wai Lam Rae

Sample date:

30 Oct 2019 (Produced)

Sample condition:

Intact

Process-driven material

Soils extracted from two different construction sites in Hong Kong were compacted to rammed earth bricks. The first brick (a) uses a very clayey soil from the New Territories, the second brick (b) a rather sandy one from a To Kwa Wan construction site (site location not documented). The third brick (c) combines both soils 1:1. All blocks are in good condition as of December 2021.

Location of Sample Extraction:

Tin Ha Road, Hung Shui Kiu, New Territories, Hong Kong

22.43658333, 113.99188889
Surface Condition:

Other

Depth of sample extraction:

20 - 40 cm

Slope at extraction point:

< 35°

Land Use:

Vacant land/construction in progress

State:

Object/Composite

Color:

10YR 7/3

Soil Structure

Organic Matter: 0.0 %

Coarse: 0.0 %

Sand: 0.0 %

Silt: 5.0 %

Clay: 95.0 %

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