Concrete02
Model.uniaxial(“Concrete02”,
name,
fpc,
epsc0,
fpcu,
epsU,
lamda,
ft,
Ets)
| fpc |
float
|
concrete compressive strength at 28 days (compression is negative) |
| epsc0 |
float
|
concrete strain at maximum strength |
| fpcu |
float
|
concrete crushing strength |
| epsU |
float
|
concrete strain at crushing strength |
| lamda |
float
|
ratio between unloading slope at epscu and initial slope
|
| ft |
float
|
tensile strength |
| Ets |
float
|
tension softening stiffness (absolute value) (slope of the linear tension softening branch) |
NOTE:
- Compressive concrete parameters should be input as negative values.
- The initial slope for this model is (2*\(fpc/\)epsc0)
REFERENCE:
Mohd Hisham Mohd Yassin, “Nonlinear Analysis of Prestressed Concrete Structures under Monotonic and Cycling Loads”, PhD dissertation, University of California, Berkeley, 1994.
Comparison of Hysteretic Stress-Strain Relation for Concerete01 versus Concrete02 materials.
Code Developed by: Filip Filippou, UC Berkeley
Images Developed by: Silvia Mazzoni