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Syntax
ABUTMENT arg1 arg2 arg3
Description
In reality, an abutment is a complex component. In the structural analysis of bridges, it is often used only for modeling the support conditions at the bridge ends and the structural analysis of the support itself is not performed simultaneously. The abutment to be defined here models the support conditions by 3 spring elements. The geometry is not taken into account.
Arguments
Minimum quantity: 2(1)
arg1
Value |
Dimension |
Meaning |
name |
TEXT |
Member name |
END |
KEYWORD |
Scope will be closed. |
arg2
Value |
Dimension |
Meaning |
BEGIN |
KEYWORD |
Scope will be opened. |
arg3 (arg2 = BEGIN)
Value |
Dimension |
Meaning |
ADD |
KEYWORD |
The content of the scope will be added to. |
CLEAR |
KEYWORD |
The content is deleted before the scope is imported. |
Scopes
STRUCTURE
Examples
ABUTMENT "Abut1" BEGIN
CSPLANE HORIZONTAL
ELEMS 1101 1100 1102
NODES 0 1100 0
ANGLES 0.00000 0.00000 0.00000
STIFFNESS L 0.10000E+09 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00
STIFFNESS C 0.10000E+09 0.10000E+09 0.10000E+09 0.10000E+09 0.10000E+09 0.10000E+09
STIFFNESS R 0.10000E+09 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00 0.00000E+00
ABUTMENT END
The abutment consists of 2 lateral spring elements and a central support. It therefore requires 3 element numbers, but only one node number, because the lateral springs are connected to the deck. The locked degrees of freedom of the 3 springs are defined according to the real bearing conditions. Not all degrees of freedom of all springs are locked.
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