AxialSp Material

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This command is used to construct a uniaxial AxialSp material object. This material model produces axial stress-strain curve of elastomeric bearings.

uniaxialMaterial AxialSp $matTag $sce $fty $fcy <$bte $bty $bcy $fcr>

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$matTag	integer tag identifying material
$sce	compressive modulus
$fty $fcy	yield stress under tension ($fty) and compression ($fcy) (see note 1)
$bte $bty $bcy	reduction rate for tensile elastic range ($bte), tensile yielding ($bty) and compressive yielding ($bcy) (see note 1)
$fcr	target point stress (see note 1)

NOTES:

1) Input parameters are required to satisfy followings.

$fcy < 0.0 < $fty

0.0 <= $bty < $bte <= 1.0

0.0 <= $bcy <= 1.0

$fcy <= $fcr <= 0.0

     

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EXAMPLE:

AxialSp_sample.tcl