Free-standing retaining walls are constructed in an open excavation and the retained soil is backfilled after construction. Generally free-standing walls are only economically viable on sites where there is sufficient space to compact the sides of the excavation to stable slope.
Retaining Wall Design
Cantilever Retaining Walls: (a) Cantilever retaining wall without toe projection (b) Cantilever retaining wall with fillets Fig: Cantilever Retaining Wall Counterfort and Buttress Retaining Walls: If the height of the retaining wall exceeds certain limit, the cantilever walls are not economical. Economy can be achieved by providing counterforts which are nothing but vertical beams connected(…)