The retaining wall structure according to the present embodiment is a retaining wall structure comprising a plurality of building units forming a front of the retaining wall, and a net member buried behind the building unit, wherein the first building unit and the first building unit A second construction unit disposed below the unit, a fixing unit interposed between the first construction unit and the second construction unit, and a net member embedded in the rear of the retaining wall while partially inserted or fixed to the fixing unit. And the fixing means includes a support body disposed between the first construction unit and the second construction unit, an upper support rod extending upward from the support body, and a lower support rod extending downward from the support body And an upper fixing part formed on the upper support rod and inserted through the lower surface of the first building unit, and a lower fixing part formed on the lower support rod and inserted through the upper surface of the second building unit.
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