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Journal of Asian Architecture and Building Engineering Volume 23, 2024 - Issue 3
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Building structures and materials

Research on the importance and structural vulnerability assessment of RC frame components and robustness improvement methods

Ke ChangrenSchool of Civil Engineering, Architecture and Environment, Hubei University of Technology, Wuhan, China
&
Liu ShengtaoSchool of Civil Engineering, Architecture and Environment, Hubei University of Technology, Wuhan, ChinaCorrespondence[email protected]
Pages 921-932 | Received 18 Apr 2023, Accepted 06 Sep 2023, Published online: 20 Sep 2023

Figures & data

Figure 1. Diagram of area affected by failure of component column.

Figure 1. Diagram of area affected by failure of component column.

Figure 2. In , Point a represents the structural strain energy when the middle beam of the structure reaches the yield state after the failure of member i, and point B represents the structural strain energy when the middle beam of the structure fails after the failure of member i.

Figure 2. In Figure 2, Point a represents the structural strain energy when the middle beam of the structure reaches the yield state after the failure of member i, and point B represents the structural strain energy when the middle beam of the structure fails after the failure of member i.

Figure 3. Diagram of beam affected by column failure.

Figure 3. Diagram of beam affected by column failure.

Figure 4. Model size and beam and column number.

Figure 4. Model size and beam and column number.

Figure 5. Change diagram of base reaction analyzed by Pushover.

Figure 5. Change diagram of base reaction analyzed by Pushover.

Figure 6. Schematic diagram of beam hinge results in the structure.

Figure 6. Schematic diagram of beam hinge results in the structure.

Table 1. Component importance factor.

Table 2. Structural vulnerability coefficient after removing one layer of column.

Table 3. Structural vulnerability.

Table 4. Robustness index.

Table 5. Removal of 1B–3 affects beam redundancy.

Table 6. Removal of 2B–3 affects beam redundancy.

Table 7. Removal of 3B–3 affects beam redundancy.

Table 8. Removal of 1C–1 affects beam redundancy.

Table 9. Removal of 1A–4 affects beam redundancy.

Table 10. Strengthen 1BC–3 beam redundancy and robustness index.

Table 11. Strengthen 2BC–3 beam redundancy and robustness index.

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