2:1 Ratio
Free standing structure should not exceed the 2:1 ratio. And gabion retaining wall with flat ground behind or slopes of less than 5 deg. Should not exceed the 2:1 ratio.
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Suggestions For Gabion Wall Design
Gabion walls have become increasingly popular in recent years because they are relatively easy to construct and can be used in a variety of settings, from residential landscaping to civil engineering projects. They are also an environmentally friendly option because they are made from natural materials and can be filled with locally sourced stones.
Only reasonable gabion wall design and arrangement can guarantee the durability of gabion walls and plays the best performance during projects. Here we list several suggestions for design and arrangement of gabion walls for your reference.
These suggestions are based on industry standard designs only. However, there are ground types and situations where the deigns will not be sufficient. You should contact professional engineers.
Suggestions for Architectural Gabion Walls & Gabion Cladding
Architectural gabion wall or gabion cladding mainly adopts welded gabions, and the height, length and depths varies according to projects designs, no matter how the gabion walls designs, there are some basic suggestions for your deference.
Internal support
Structures, such as gabion wall, gabion cladding or gabion post less than the 2:1 ratio, will need internal supports to prevent collapse.
1.5×Depth
Supports posts are recommended for gabion supporting and they must extend to at least 1.5×Depth from the top of the gabion. Support posts need to strong enough that they do not snap or bend under the load of the gabion wall.
90 cm Spacing
Gabion support posts spacing should be no greater than 3ft apart.
Bracewire
Gabion cages are suggested to tied onto the support posts with bracewire
Suggestions for Gabion Retaining Wall
Gabion retaining walls adopt welded gabions or woven gabions for slope, river bank and construction stability. Some of the projects need very high structure. Here we list some suggestions about gabion retaining wall for your reference.
Gabion retaining wall is a mass system. The higher the retaining wall protects, the heavier the wall must be. The standard design for a gabion wall is a pyramid. In general, for every 1 m increase in wall height, the bottom row basket depth should be increased by half a metre.
For Retaining wall heights up to 3 meters
1 meter high wall
It is very simple structure, which can be made of 1 m × 1m × 1m or 2 m × 1 m × 1 m basket with 3 mm thick wire.
0.5 m depth gabion walls are only recommended for the situations, where the bank is fairly stable and where need less strength.
2 meter high wall
The bottom row of gabion retaining wall should be 1.5 m depths and the top row should be 1 m depth and the wire could be 3 mm as well.
You can arrange the top row gabions slightly further back for more stable structure.
3 meter high wall
The bottom row is 2 meter depth, the middle row is 1.5 meter depth and the top row is 1 m depth.
Besides, we recommend to choose 4 mm thick wires on the bottom row to bear the heavy weight and prevent bulge out.
For Retaining wall heights above 3 meters
For higher than 3 m you can still use the same principals of increasing the depth by 0.5 m but it may be preferable to stagger the baskets back and choose the thicker steel wires.
