Analysis of the Seismic Vulnerability of a 3-Story Building, Using Typical Structural Sizing Methods Used In Mozambique

Edson Da Graça M. Cumbe; ângelo António Pascoal; Valdemar Fulano; Domingos Do Rosário N. João; Philemon Niyogakiza; Marc Nshimiyimana; Yenezer Genene Haile

doi:10.29228/eng.pers.78239

Analysis of the Seismic Vulnerability of a 3-Story Building, Using Typical Structural Sizing Methods Used In Mozambique

Abstract

This study examines the seismic vulnerability of reinforced concrete structures in Mozambique, focusing on the effects of seismic action on structural performance and safety. Due to a lack of seismic-specific regulations in Mozambique, many structures are built without considering earthquake resilience. This research evaluates a reinforced concrete building's response to seismic forces using modal analysis by response spectrum, guided by Eurocode 8 standards. The study begins with an overview of Mozambique's seismic history, geological features, and high-risk regions. It also explores structural design practices in the context of Mozambique’s limited regulatory framework (REBAP/RSA). Using Robot Structural Analysis Professional software (2020), we conduct a modal analysis to assess structural behavior beyond the elastic range. Our results indicate maximum displacements of 1.7–1.9 cm and basal shear forces of 1,423–1,282 kN in the X and Y directions, respectively. Floor drift ranges from 0.28 to 0.83, with modal data showing that the first mode, dominated by torsion (86.06%), compromises seismic resilience. The second mode exhibits a translation in the X direction with a modal participation of 96.83%, while the third mode shows a translation in the Y direction with a modal participation of 98.74%. These findings imply the structure lacks adequate torsional resistance, potentially endangering its seismic integrity. Future research should explore model variations and analyze structural responses on different types of soil. Investigating optimized building designs to meet seismic demands in Mozambique and globally could improve safety in earthquake-prone areas.

Keywords

References

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Details

Primary Language

English

Subjects

Civil Construction Engineering

Journal Section

Research Article

Authors

Edson Da Graça M. Cumbe This is me
China

ângelo António Pascoal This is me
Mozambique

Valdemar Fulano This is me
Mozambique

Domingos Do Rosário N. João This is me
China

Philemon Niyogakiza This is me
China

Marc Nshimiyimana This is me
China

Yenezer Genene Haile This is me
China

Publication Date

June 30, 2025

Submission Date

September 7, 2024

Acceptance Date

May 8, 2025

Published in Issue

Year 2025 Volume: 5 Number: 2

DOI

https://doi.org/10.29228/eng.pers.78239

IZ

https://izlik.org/JA76PT89EJ

Cite

RIS / Bibtex

APA

Cumbe, E. D. G. M., Pascoal, ângelo A., Fulano, V., João, D. D. R. N., Niyogakiza, P., Nshimiyimana, M., & Haile, Y. G. (2025). Analysis of the Seismic Vulnerability of a 3-Story Building, Using Typical Structural Sizing Methods Used In Mozambique. Engineering Perspective, 5(2), 68-84. https://doi.org/10.29228/eng.pers.78239

AMA

1.Cumbe EDGM, Pascoal ângelo A, Fulano V, et al. Analysis of the Seismic Vulnerability of a 3-Story Building, Using Typical Structural Sizing Methods Used In Mozambique. engineeringperspective. 2025;5(2):68-84. doi:10.29228/eng.pers.78239

Chicago

Cumbe, Edson Da Graça M., ângelo António Pascoal, Valdemar Fulano, et al. 2025. “Analysis of the Seismic Vulnerability of a 3-Story Building, Using Typical Structural Sizing Methods Used In Mozambique”. Engineering Perspective 5 (2): 68-84. https://doi.org/10.29228/eng.pers.78239.

EndNote

Cumbe EDGM, Pascoal ângelo A, Fulano V, João DDRN, Niyogakiza P, Nshimiyimana M, Haile YG (June 1, 2025) Analysis of the Seismic Vulnerability of a 3-Story Building, Using Typical Structural Sizing Methods Used In Mozambique. Engineering Perspective 5 2 68–84.

IEEE

[1]E. D. G. M. Cumbe et al., “Analysis of the Seismic Vulnerability of a 3-Story Building, Using Typical Structural Sizing Methods Used In Mozambique”, engineeringperspective, vol. 5, no. 2, pp. 68–84, June 2025, doi: 10.29228/eng.pers.78239.

ISNAD

Cumbe, Edson Da Graça M. - Pascoal, ângelo António - Fulano, Valdemar - João, Domingos Do Rosário N. - Niyogakiza, Philemon - Nshimiyimana, Marc - Haile, Yenezer Genene. “Analysis of the Seismic Vulnerability of a 3-Story Building, Using Typical Structural Sizing Methods Used In Mozambique”. Engineering Perspective 5/2 (June 1, 2025): 68-84. https://doi.org/10.29228/eng.pers.78239.

JAMA

1.Cumbe EDGM, Pascoal ângelo A, Fulano V, João DDRN, Niyogakiza P, Nshimiyimana M, Haile YG. Analysis of the Seismic Vulnerability of a 3-Story Building, Using Typical Structural Sizing Methods Used In Mozambique. engineeringperspective. 2025;5:68–84.

MLA

Cumbe, Edson Da Graça M., et al. “Analysis of the Seismic Vulnerability of a 3-Story Building, Using Typical Structural Sizing Methods Used In Mozambique”. Engineering Perspective, vol. 5, no. 2, June 2025, pp. 68-84, doi:10.29228/eng.pers.78239.

Vancouver

1.Edson Da Graça M. Cumbe, ângelo António Pascoal, Valdemar Fulano, Domingos Do Rosário N. João, Philemon Niyogakiza, Marc Nshimiyimana, Yenezer Genene Haile. Analysis of the Seismic Vulnerability of a 3-Story Building, Using Typical Structural Sizing Methods Used In Mozambique. engineeringperspective. 2025 Jun. 1;5(2):68-84. doi:10.29228/eng.pers.78239

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