| FEM MIDAS GEN | BOX-SECTION TYPE | PIER CONSTRAIN | |
| Node-i | Node-j | ||
| 1-C2 | Equivalent | Clamped-end | Clamped-end |
| 2-C2 | Real | ||
| 1-C3 | Equivalent | Clamped-end with beam-end-release | |
| 2-C3 | Real | ||
| 3-C3 | Equivalent | External roller | |
| 4-C3 | Real | ||