Foundations

Foundations

1. Raft

   • Steel cage reinforcement - vital
   • Large concrete slab covering whole ground floor plan
   • Expensive
   • Whole load move as one
   • Low bearing

2. Strip

   • More economic
   • Average- good bearing
   • Suitable for housing- low load
   • Supports building load bearing walls

3. Pile

   • Piles poured/driven into ground
     • Tops tied into strip
   • Low bearing or where a good stratum of soil lies beneath the top stratum
   • Apartments, bridges