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Overlooking the requirement for geogrid can cause a new wall to fail within a very short period of time.Consistent subgrade soil conditions are critical to prevent “frowns” or “smiles” in the retaining wall (poor subgrade soil or localized rigid structures that cause one section of blocks to settle more or less than the rest of the wall).Deformations or installation mistakes are more visible in a small block wall.Without an experienced contractor installing the retaining wall, it is easy to overlook crucial installation details.Unfortunately, there are also some drawbacks that come with selecting small blocks for your project: Easier to build in locations with poor access.Versatile so that landscaping/retaining wall contractors can build much taller walls with a properly engineered design.Simple enough for homeowners to build their own small walls with.Can be handled without the use of equipment.These walls are great for a number of reasons: When you think of a small block wall it is probably either Allan Block or Cornerstone products that will come to mind. Small block retaining walls are one of the most common wall types found around both residential and commercial properties in Calgary (and most cities). The availability of specific block units might vary, depending on your location, but the first step to building a block retaining wall is deciding whether you want to use large or small blocks.
#LARGE RETAINING WALL BLOCKS HOW TO#
If you have already chosen to build a retaining wall out of concrete blocks, keep reading for some information on how to choose between large and small block units.Īlthough there are many options out there, this article will specifically evaluate the difference between large and small-block products. You could use any combination of timber, steel, concrete, wire, or boulders but which options are going to stand the test of time without costing you an arm and a leg. The variety, strength and versatility of Redi-Rock™ allows for creative design in applications such as shoreline protection, commercial and residential landscape architecture, force protection perimeter walls, foundation support for construction projects, bridges, bridge abutments, highway retaining walls, and many other construction, erosion-control and retaining-wall applications.When it comes to building a retaining wall there can be a lot of confusing choices to make.
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Wet-cast concrete has superior durability in freeze thaw cycles, making it a perfect choice for critical DOT projects, developments, storm channels, and more. The Redi-Rock™ big block retaining wall system provides the incomparable durability of “wet cast”, air-entrained concrete. The blocks are available in a variety of sizes, face types and textures, or colors. Redi-Rock™ blocks have a natural rock appearance, nearly indistinguishable from quarried stone. These large blocks can create stable gravity walls measuring up to 16.4 feet in height without the need for a geo-grid or tie-back system. The pre-cast concrete blocks utilize a self-aligning knob-and-groove system and weigh on average between 1,500 and 2,500 pounds. Redi-Rock™ is considered the world's leading and most innovative large-block retaining wall system. Michie Corporation is a producer and supplier of Redi-Rock™ for parts of New England.