| 摘要 |
The present invention provides a system and a method for a retaining wall which minimizes cost, assembly time and environmental impact while providing substantial load-bearing capacity. The system includes: a plurality of vertical helical piers driven into the ground, tie-back helical piers driven at a non-vertical angle into the ground, substantially horizontal waler rods, and substantially vertical extensions, which are interconnected through interlocking connectors. Multiple levels of the load-bearing structure can be built on top of each other depending on the height of the soil to be retained. Loads from the retained soil may be transferred to the extension bars and waler rods through wood lagging, wood planks, different types of plates, or some other intermediary. A mesh support for the soil can be provided in addition to the load-bearing structure. Trees, bushes or other plants can be planted through the mesh in the retained soil to improve the environmental impact of the invention.
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