Issue 61

A.Y. Rahmani et alii, Frattura ed Integrità Strutturale, 61 (2022) 394-409; DOI: 10.3221/IGF-ESIS.61.26

(a)

(b)

(c) Figure 5: Geometric configurations of the RC moment-resisting frames; a) F666, b) F663, c) F661.

Beams

Columns a x a cm²

Mechanical properties

Steel bars Top layer

Steel bars

Storey level

b x h cm²

Bottom layer

F666 frame

1 2 3 4 5 6 2 3 4 5 6 2 3 4 5 6

4 Φ 20 4 Φ 16  4 Φ 20 4 Φ 14  4 Φ 16 4 Φ 16  4 Φ 16 4 Φ 12  4 Φ 12 4 Φ 12  4 Φ 12 2 Φ 12  6 Φ 20 2 Φ 14  4 Φ 20 4 Φ 16  4 Φ 20 4 Φ 12  4 Φ 20 2 Φ 16  4 Φ 16 2 Φ 16  4 Φ 20 4 Φ 16  4 Φ 20 4 Φ 20  4 Φ 20 4 Φ 16  4 Φ 16 4 Φ 16  4 Φ 16

4 Φ 16 4 Φ 14  50x50 4 Φ 14 4 Φ 14  50x50 4 Φ 14 4 Φ 12  45x45 4 Φ 14 2 Φ 12  45x45

12 Φ 20 12 Φ 20

4 Φ 20 8 Φ 16  4 Φ 20 8 Φ 16 

40x40

40x40 40x40

4 Φ 12 4 Φ 12

12 Φ 16 12 Φ 16 12 Φ 25 12 Φ 25 12 Φ 20 12 Φ 20

F663 frame 1

4 Φ 16 4 Φ 14  4 Φ 14 4 Φ 14  4 Φ 16 2 Φ 12  4 Φ 14 2 Φ 14 

f c28 =25 MPa f y =500 MPa E c =32.16 GPa E S =210 GPa

40x40

45x45

4 Φ 20 8 Φ 16  4 Φ 20 8 Φ 16  4 Φ 25 8 Φ 20  4 Φ 25 8 Φ 20 

4 Φ 14 4 Φ 12

F661 frame 1

4 Φ 16 4 Φ 14  4 Φ 20 4 Φ 12  4 Φ 16 4 Φ 12  4 Φ 14 4 Φ 10 

12 Φ 20 12 Φ 20 12 Φ 16

45x45

40x40

4 Φ 16

4 Φ 14 4 Φ 12

4 Φ 12 2 Φ 12  12 Φ 16 Table 2: Cross-Section and reinforcement details of the beams and columns.

Seismic loads

399

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