Thanks @ GeoEnvGuy.
The concrete rubbles are just scattered on the surface. The land was used as a block and paving stone making machine site previously, hence the concrete rubble. An escavation of 0.15m will take us to uniform land without the rubbles.
Thanks for the being helpful.
1. "A Safe Bearing Capacity (SBC) of value of 40kN/m2 for square or circular footings placed on loose sand at a minimum depth of 1.5m below the existing groung level., with 3.0 as factor of safety".
2. Gross load of proposed building is estimated at 45kN/m2.
I...
Hey guys,
Is reinforced concrete raft foundation suitable for a two-storey residential building? The land has the following characteristics:
1. Loose silty sand with block rubbles and and fine to coarse gravel up to 1.5m depth
2. Loose silty, clayey sand with fine to coarse gravel up to 5 metre...
