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This command is used to construct a circular layer of reinforcing bars.
layer circ $matTag $numBar $areaBar $yCenter $zCenter $radius <$startAng $endAng>
$matTag |
material integer tag of the previously-defined UniaxialMaterial object used to represent the stress-strain for the area of the fiber |
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$numBar |
number of reinforcing bars along layer |
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$areaBar |
area of individual reinforcing bar |
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$yCenter |
$zCenter |
y and z-coordinates of center of reinforcing layer (local coordinate system) |
$radius |
radius of reinforcing layer |
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$startAng |
$endAng |
starting and ending angle of reinforcing layer, respectively. (Optional, Default: a full circle is assumed 0-360) |
NOTE: in 2D bending is about the local z-axis
EXAMPLE:
layer circ $steelMatTag 10 0.11 0.0 0.0 $h 0 360; # define circular steel layer of 10 bars with area 0.11 uniformly distributed along circumference of circle of diameter 2h
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