Pile
Define Pile element for an Analysis model.
Applicable Modules:
Ground |
Slope |
Soft Ground |
Foundation |
Seepage |
Dynamic |
General
Standard
Specify a standard for nominal sizes.
Horizontal Spacing
Specify the spacing of the structural members placed in the longitudinal direction.
Section
Shape
The available section shapes are as below:
Round |
Rectangle |
Pipe |
Box |
H |
T |
Sheet Pile |
Circle-H |
User Defined |
Sub-Shapes
The available sub-shapes for Sheet Pile are as below:
U Type |
Box Type |
Alternate Box Type |
Alternate Double Box Type |
Composite Type 1 |
Composite Type 3 |
Wide Z Type |
Wide U Type |
Wide Box Type |
Tapered Section
Check on 
to define a non-prismatic section
varying in size. This is activated for all the section shapes
except for Sheet Pile and Circle-H.
Section
Define the section size of the structural element. In case of a Tapered section, Section-1 and Section-2 can be entered to reflect the change in size from one end to the other end.
Section Data
Section
Specify the cross-sectional dimensions-D / H,B / T / tw etc.
Stiffness Calculation
Area
Cross-sectional area.
Iy
Moment of inertia about the local y-axis.
Zy
Effective shear area in the local y-direction.
Ry
Radius of gyration about the local y-axis.
Material
Material Type
Select material for the selected Element Type and Section Shape. The material properties can be modified under the Material Data tab.
The available material types are as below:
Concrete |
Steel |
Sheet Pile Grade |
User Defined |
SRC |
Concrete
Specify the grade of concrete.
Steel
Specify the grade of steel.
Sheet Pile Grade
Specify the grade of sheet pile.
User Defined
Input the material properties to define a material.
SRC
The SRC material properties are defined by defining concrete and steel material properties.
Material Data
Specify the material properties for the element type. The properties may vary with a change in the shape.
Properties
Modulus of Elasticity
The slope of the stress-strain line for a linear isotropic material.
Poisson’s Ratio
The ratio of the radial (or lateral) strain to the vertical strain.
Unit Weight
The weight of material per unit volume.
Thermal Coefficient
The relative change of a physical property when the temperature is changed by 1 K.
Design Strength
Concrete
Design Compressive Strength
The compressive strength of a material modified by strength reduction factor.
Steel / Sheet Pile
Yield Strength
The yield strength of the material after which plastic deformation begins in the material.
User Defined
Allowable Compressive Stress
The maximum permissible compressive stress in the material to a given factor of safety.
Allowable Tensile Stress
The maximum permissible tensile stress in the material to a given factor of safety.
Allowable Shear Stress
The maximum permissible shear stress in the material to a given factor of safety.
Pile Skin Friction Stiffness
Shear Stiffness Method
Select the input method for stiffness in the shear direction.
Shear Stiffness Coeff.
Function
Shear Stiffness Coeff.
Ultimate Shear Force
Function
Shear function.
Normal Stiffness Coeff. (Kn)
Reference Height
Location of pile in global Coordinate System.
t-z Curve Slope
Relative displacement by locations-Rate of change in friction curve.
Slope of the curve changes depending on the sign (+, -).
Pile Tip Spring
Create pile tip elements.
Tip Stiffness Method
Select the input method- Tip Stiffness method/Function
Tip Spring Stiffness
Tip Bearing Capacity
Function
Pile tip spring stiffness function.
