Pea Gravel

Pea gravel is a small, rounded stone typically measuring between 3/8 inch and 5/8 inch in diameter. It is formed from naturally weathered stones and is often used for decorative purposes.

Definition:

Pea gravel is a small, rounded stone typically measuring between 3/8 inch and 5/8 inch in diameter. It is formed from naturally weathered stones and is often used for decorative purposes.

Uses/benefits:

Pea gravel has various uses and benefits, including:

In tunneling and underground structures, pea gravel can be used as a backfill material to support pipes and other utilities.
It can also be used as a bedding material for underground utilities to provide a stable base.
Pea gravel can be used in shotcrete mixtures to improve their durability and reduce shrinkage.
As a decorative material, pea gravel can be used to enhance the aesthetics of underground structures such as parking garages and pedestrian tunnels.

Specifications:

Pea gravel specifications can vary depending on regional standards and specific project requirements. Some common specifications include:

Size: Pea gravel typically ranges in size between 3/8 inch and 5/8 inch in diameter, although sizes may vary.
Shape: It is characterized by its rounded and smooth shape, resulting from natural weathering processes.
Color: Pea gravel is available in various colors, including tan, brown, gray, and white. The color selection depends on personal preference and project requirements.
Gradation: The gradation or particle size distribution of pea gravel may vary, and specific gradations can be specified based on the intended use or application.
Quality: Quality specifications may include factors such as cleanliness, absence of excessive fines, and resistance to degradation.

Types:

Pea gravel is primarily classified based on its color and size. However, there are no specific types of pea gravel recognized universally. The types can vary based on regional availability and local naming conventions. Some common types include:

Tan Pea Gravel: Tan-colored pea gravel is a popular choice and blends well with various landscape designs.
Brown Pea Gravel: Brown pea gravel has a warm and earthy tone, providing a natural and rustic appearance.
Gray Pea Gravel: Gray-colored pea gravel offers a more subdued and neutral look, suitable for contemporary or minimalist designs.
White Pea Gravel: White pea gravel is less common but provides a bright and clean aesthetic, often used in modern or coastal-inspired landscapes.