Abstract:
The soil nailing technique is adopted to reinforce the earth for the stabilization of the
slopes. The soil nail wall is constructed by the installation of iron bars or iron nails into the soil
which has to be retained. The nails are installed from top to bottom at suitable angle with
horizontal and vertical spacing through out the specified height of the slope. We have selected
soil samples from three locations in the campus of KCAET, Tavanur. For our study various
engineering properties of the soil samples were determined. The soil nail wall design was done
by incorporating those engineering properties of soil and the nature of the terrain. An epoxy
coated MS rod with diameter above 16mm was used as nail The estimation and costing when
compared to cantilever retaining wall reveals that soil nail wall is more feasible than the
retaining wall. From the cost analysis we found that, soil nail wall gives 55% saving in cost than
retaining wall construction. A computer program was developed in Visual basic 2005 which
gives various outputs for the design from the given inputs. It was concluded that the designed
soil nail wall system can be strongly recommended for the stabilization of free board of river
bank, side slope stabilization of roads, railways, agricultural lands etc.
