...
The
...
...
...
automatically
...
generates
...
concrete
...
stress-strain
...
curves
...
.
...
By
...
default,
...
these
...
curves
...
do
...
not
...
provide
...
tensile
...
strength.
...
Stress-strain
...
curves
...
may
...
be
...
reviewed
...
within
...
the
...
Section
...
Designer
...
by
...
using
...
the
...
concrete
...
model
...
View
...
controls.
...
To
...
model
...
the
...
tensile
...
strength
...
of
...
concrete,
...
a
...
material
...
stress-strain
...
curve
...
may
...
be
...
converted
...
into
...
a
...
user-defined
...
constitutive
...
model
...
by
...
selecting
...
Define
...
>
...
Materials.
...
A
...
separate
...
material
...
must
...
be
...
created
...
for
...
each
...
Mander
...
confinement
...
state.
...
Then
...
the
...
Section
...
Designer
...
will
...
apply
...
this
...
user-defined
...
curve.
...
For
...
parametric
...
Mander
...
material,
...
an
...
option
...
which
...
is
...
not
...
user-defined,
...
stress-strain
...
curves
...
are
...
automatically
...
computed,
...
though
...
tensile
...
strength
...
is
...
not
...
recognized.
...
How can I adjust the shear stress-strain
...
curve?
...
Extended
...
Question:
...
I
...
have
...
defined
...
the
...
...
constitutive
...
relationships
...
for
...
an
...
isotropic
...
concrete
...
material.
...
How
...
do
...
I
...
set
...
a
...
specific
...
maximum
...
shear-stress
...
capacity?
...
Answer:
...
For
...
response,
...
please
...
refer
...
to
...
the
...
CSI Analysis Reference Manual (Chapter VI Material Properties, Nonlinear Material Behavior). Further, a layered shell object may be created in which individual layers represent pure shear and pure axial behaviors. Different material properties may be assigned to each layer and its local mechanical behavior.
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