What Is Channel Lining and What Are My Options?

channel lining

What Is Channel Lining and What Are My Options?

Channel lining is used to prevent the loss of water in a trench or channel through permeation. The lining, typically an impermeable material, helps keep the water where it’s supposed to be. The linings also help deter weeds, which if left to grow unrestricted, can congest the channel and restrict water flow. Furthermore, these linings can help with earth retention by preventing erosion from water runoff.

There are many different types of lining, each with its own set of benefits.

Concrete Channel Lining

Concrete tends to be a common material used for lining purposes due to its durability and strength. In fact, concrete is the most frequently used man-made material on Earth for reasons just like those. Not only is concrete incredibly strong and resistant to a range of forces, it has incredible structural integrity and longevity as well. When used for channel lining, concrete can be poured into molds or placed in prefabricated sections. However, for long distances, it tends to be more economically sensible and less physically demanding to pour the concrete.

Gabion Lining

Gabion is a commonly used form of lining, composed of wire and loose stone. Essentially, gabion is a wire cage of sorts that is typically filled with rocks to create a solid-like wall or barrier. Gabion can be filled with other materials though, such as sand or concrete if one so chooses. This material tends to be an inexpensive route that provides more than enough protection against ground permeation.

Tied Concrete Block Mats

For applications in which the growth of vegetation is desired, or at the very least won’t pose a problem, tied concrete block mats can be extremely useful. The mats are composed of individual concrete units stitched together on a “polypropylene geogrid.” The gaps between each concrete shape allow for flexibility and vegetation growth, of which the mat will eventually be covered in. This solution can be beneficial to those who want a natural aesthetic solution.

Whatever type of lining you want for your project, you should consult with your civil construction company first. They may recommend a different material than the one you thought best, or provide you with alternatives you didn’t know existed.

For abatement protection, soil erosion, outfall protection, and other civil projects, give us a call today.

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