Precast Concrete Aggregate Paving Block

Material categories:

Cement based

Mineral / Mineral based

Identification number:

22-7156-169-a

Sample produced by:

TANG Chun Wah Richard

Sample date:

23 Feb 2022 (Extracted)

Sample condition:

Damaged

Classification-driven material

A precast concrete paving block with a surface treatment that exposes the recycled aggregates, likely from construction and demolition (C&D) materials. Crushing and recycling plants crush and recycle C&D debris, producing a graded mix of coarse and fine aggregates. This block should include at least 70% recycled aggregates by weight, with aggregates having a maximum sieve size of 10 mm.

Location of Sample Extraction:

Hutchison Park, Dyer Avenue, Hung Hom, Hong Kong

22.3075794, 114.1909375

Depth of sample extraction:

On/Above Ground

Slope at extraction point:

< 35°

Land Use:

open space

Natural or imported material:

Unknown

State:

Object/Composite

Fabrication Process

Casting

Properties

Anti-slip

Textured

Form

Block

Sensory Attributes

Touch: Hard

Tactile Warmth: Cool

Flexibility: Stiff

Resilience: Brittle

Odour: None

Transparency: Opaque