The link was sent to your email.

We were unable send the link to your email. Please check your email.

Missing captcha code. Please check whether your browser is not blocking reCAPTCHA.

Invalid captcha code. Please try again.

Online Help

GEO5

Tree
Settings
Product:
Program:
Language:

Coefficients of Resistance α a β

The pile base coefficient α depends on the pile type. Its value is automatically calculated according to the pile and soil types or it can be entered manually by the user.

Piles

α for sand

α for clay

α for silt

prefabricated driven piles or steel piles

1.0

1.0

1.0

Franki piles

1.0

1.0

1.0

driven wooden piles

1.0

1.0

1.0

vibrating or vibropressed

1.0

1.0

1.0

cast in place screw piles

1.0

1.0

1.0

prefabricated screw piles

1.0

1.0

1.0

cast in place screw piles with additional grouting

1.0

1.0

1.0

prefabricated screw piles with additional grouting

1.0

1.0

1.0

steel tubular piles

1.0

1.0

1.0

Continuous Flight Auger piles (CFA)

0.3

0.3

0.3

bored piles or piles sheeted by bentonite suspense

0.5

0.85

0.6

bored piles with steel casing

0.5

0.85

0.6

root pile

0.5

0.85

0.6

strauss pile

0.5

0.85

0.6

The pile shaft coefficient β is automatically determined according to the pile and soil types or it can be entered manually by the user.

Piles

β for sand

β for clay

β for silt

prefabricated driven piles or steel piles

1.0

1.0

1.0

Franki piles

1.0

1.0

1.0

driven wooden piles

1.0

1.0

1.0

vibrating or vibropressed

1.0

1.0

1.0

cast in place screw piles

1.0

1.0

1.0

prefabricated screw piles

1.0

1.0

1.0

cast in place screw piles with additional grouting

1.0

1.0

1.0

prefabricated screw piles with additional grouting

1.0

1.0

1.0

steel tubular piles

1.0

1.0

1.0

Continuous Flight Auger piles (CFA)

1.0

1.0

1.0

bored piles or piles sheeted by bentonite suspense

0.6

0.9

0.75

bored piles with steel casing

0.5

0.8

0.65

root pile

1.5

1.5

1.5

strauss pile

0.5

0.8

0.65

Try GEO5 software yourself.
For free, without analysis restrictions.