Soil Category

Description of Soils

I

All kinds of rock (excluding weathered rock), Dense gravel, Marl (not weathered), Stiff clay, Weathered rocks and marls

II

Gravel sands, coarse and medium sands (dense to medium dense), Fine sand (dense), Clayey sand acid sandy clay (stiff, firm, and medium), Stiff plastic clay
Fine sand (medium dense), Sand with fines (dense to medium dense)

III

Clayey sand and sandy clay (medium stiff to soft), Clay (medium stiff to soft), Loess

Type of Load

Loading Coefficient

Permanent (dead) loads
Temporary loads of long duration
- Live loads for storage facilities, warehouses, and the like
- All other types of loads of long duration

1.0
1.0

Loads of short duration
- Snow loads
- Live loads for industrial buildings
- Live loads for residential and public buildings
- Live loads for railway bridges
- Live loads for motorway bridges
- All other types of loads of short duration

0.8
0.8
0.5
0.7
0.4
0.5