What is a Criblock retaining wall?
Criblock retaining walls are a gravity type retaining wall that uses cells created by timber, pre-cast concrete or plastic framing. The cells are filled with stone therefore they give the mass for structural stability. Criblock is not dependant on tie-back or geo grid systems for wall stability.
What is Permacrib?
Permacrib is a BBA approved timber crib system which is manufactured from renewable managed and sustainable resources. The timber is machined and treated in the UK, under strict QA guidelines to ensure full cell penetration and guarantee the 60 year design life.
What is an embedded retaining wall?
Embedded retaining walls are walls that penetrate into the ground and rely to a significant extent or even completely on the passive resistance of the ground for their support.
What is a Kingpost wall?
King post walls are a simple and quick installation method. They comprise boring a hole with a continuous flight auger (CFA) piling rig, filling it with concrete, then installing an H beam. This allows concrete pre-stressed panels or sleepers to be inserted between the webs of the H sections.
How do crib walls work?
Crib walls comprise a grillage of header and stretcher elements placed on a firm foundation, usually of mass or reinforced concrete; the spaces between the grillage of header and stretcher elements are filled with free draining coarse grained materials (sand and gravel), which must be durable, e.g. resistant to erosion …
What type of retaining wall is best?
Concrete and Masonry Retaining Walls Poured concrete is the strongest and most durable choice for retaining walls. It may also be carved and formed to look like mortared stone depending on your taste.
Do retaining walls need building regulations?
Independent, freestanding retaining walls may not require building regulation approval; however, any structures must be structurally sound and well maintained.
How thick should concrete retaining wall be?
A typical cantilever reinforced masonry (or concrete) retaining wall will utilize a footing with a thickness of at least 12 inches. Based on this minimum footing thickness, a retaining wall with a maximum retained wall height of 4 feet would correspond to maximum exposed wall height of 3 feet.
How do I install Kingpost?
King post walls are a simple and quick installation method. They comprise drilling a hole with a high powered, continuous flight auger (CFA) piling rig, filling it with concrete, then installing an H beam. This allows concrete pre-stressed panels or sleepers to be inserted between the webs of the H sections.