Table 1 Straining actions for concrete elements in original and strengthened frames
Case study | Stiffness (KN/m) | Axial forces (KN) | Shear forces (KN) | Bending moment (KN.m) | |||
|---|---|---|---|---|---|---|---|
Column | Beam | Column | Beam | Column | Beam | ||
Original frame | 2609 |  − 16.34 (N1)  + 16.34 (N3) |  − 12.25 (N2) | 12.25 (Q1) | 16.34 (Q2) | 49.11 (M1) | 49.11 (M1) |
Strength frame A | 13625 |  − 8.55 (N1)  + 10.9 (N3) |  − 10.83 (N2) | 2.32 (Q1) | 3.12 (Q2) | 9.29 (M1) | 9.29 (M1) |
Strength frame B | 30656 |  − 7.10 (N1)  + 10.56 (N3) |  − 10.0 (N2) | 1.00 (Q1) | 1.32 (Q2) | 4.01 (M1) | 4.01 (M1) |