NBN EN ISO 13793 : 2001

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions, symbols and units
4 Design principles
5 Material properties
6 Climatic data
7 Foundation depth greater than frost depth
   in undisturbed ground
8 Slab-on-ground floors for heated buildings
9 Suspended floors for heated buildings
10 Unheated buildings
Annex A (normative) Definition and calculation
        of freezing index
Annex B (normative) Numerical calculations
Annex C (normative) Design data for slab-on-ground
        floors based on 0 deg C criterion
Annex D (informative) Frost susceptibility of
        the ground
Annex E (informative) Worked examples
Annex ZA (normative) Normative references to
         International Standards and corresponding
         European publications
Annex ZB (informative) Informative references to
         International Standards and corresponding
         European publications
Bibliography

Provides simple procedures for thermal design of building foundations on frost-susceptible grounds including buildings with slab-on-ground floors and suspended floors, inorder to avoid frost heave. Also applicable to heated and unheated buildings, and climates having annual average air temperature above 0 deg C. Not applicable to cold stores, ice rinks, situations like roads, underground water pipes needing frost protection, and permafrost areas having annual average air temperature below 0 deg C.