EI 02G001
CEMP-E
01 July 1997
Table 1-7. Helical Steel Piles.
LENGTH
3 - 6 M (10 - 20 FT)
MATERIAL
ASTM A36
SPECIFICATION
DESIGN LOADS
11 - 22 kN/M (0.4 - 0.8 TON/FT) TYPICAL
27 - 54 kN (3 - 6 TONS) TYPICAL TOTAL COMPRESSION LOAD
0.9 MN (100 TONS) MAXIMUM TENSION LOAD
DISADVANTAGES
LIMITED LATERAL BENDING RESISTANCE
LIMITED COMPRESSION CAPACITY
CAN CORRODE IN SOME SOILS
CANNOT PENETRATE OBSTRUCTIONS
ADVANTAGES
CAN BE INSTALLED IN LIMITED SPACE
LOW COST
EASY TO ADD SECTIONS
NO SOIL HEAVE
APPLICATION
RESIST TENSION FORCES SUCH AS FROM EXPANSIVE SOIL OR UPLIFT
REMEDIAL REPAIR
ILLUSTRATION
1-10
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