Gravel is made up of different rock fragments, which vary in size. Gravel is used for making paths, roads, and even gardens – making it an important commercial product.
We all know that there is little traffic in rural areas, and that’s why many roads are surfaced with gravel. You will be amazed to know that in Russia, they have 400,000 km of gravel roads.
Well, today’s article is not about the characteristics, statistical data, advantages, or applications of gravel; it’s all about the types of gravel. So, read on to learn all about the different kinds of gravel.
1. Quarry Process
The first type of gravel on our list is quarry process. It is a dense aggregate road stone, which is a combination of small crushed stone and stone dust.
Most of the time it is made out of granite-gneiss, limestone, trap rock, and/or a combination of all these stones.
Construction companies use quarry process in projects that require strength and durability. Quarry process is often found in driveways, road surfaces and road bases, bike paths, and walkways.
It can also be used as clean fill. In addition, for walkways and patios, it is used as an important part of the sub-base to provide stability and strength.
2. White Marble Chips
Another type of gravel is known as white marble chips. They are a popular decorative rock, and are white color rocks with streaks of gray.
The purpose of white marble chips is to add depth, volume, and visual intrigue to construction and landscaping projects.
White marble chips feature a shimmery surface. Many people use white marble chips in areas with high visibility such as flower beds.
The sparkling sheen of white marble chips can reflect sunlight – which means they can keep your property from overheating. They are a great decorative material used to add a touch of beauty and elegance to your property.
3. Pea Gravel
As the name indicates, pea gravel is tiny rounded stones – i.e. the size of a pea. Usually, pea gravel ranges in size from 1/8 inches to 3/8 inches in diameter. These stones are available in a wide variety of shades such as buff, white, brown, gray, and translucent.
Pea gravel is a popular type of gravel, and it is used in different landscaping projects – for instance, in the construction of residential driveways. You can characterize the stone aggregate by its tiny, round, and smooth appearance.
4. Crushed Stone
In general, crushed stone is a substitute for gravel and sand. It is also known as angular rock and is a form of aggregate for construction and landscaping projects.
The production process involves mining a rock deposit and then breaking the rock down using crushers into the different sizes required for a project.
Crushed stone has a subtle blend of white and gray hues, making it easy for contractors to incorporate these beautiful stones into any landscaping project.
You can likewise complement them with a wide variety of different edging materials as well as colorful vegetation.
5. Washed Clean Stone
Washed clean stone is similar to crushed stone when it comes to the manufacturing process and composition. However, the difference comes in the impurity removal and cleaning phase, which ensures reduced debris or unwanted materials in the gravel.
The washed clean stone is crushed, reduced in size, and screened through a square screen of 1.4 inches. These stones are then run through different machines to clean them thoroughly, making sure there is no residue, dust, or leftovers.