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Assessing the Seismic Behavior of Rammed Earth Walls with an L-Form Cross-Section

Author

Listed:
  • Quoc-Bao Bui

    (Sustainable Developments in Civil Engineering Research Group, Faculty of Civil Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam)

  • Tan-Trung Bui

    (Department of Civil Engineering, Universityy of Lyon, INSA Lyon, GEOMAS, 69100 Villeurbanne, France)

  • Mai-Phuong Tran

    (Sustainable Developments in Civil Engineering Research Group, Faculty of Civil Engineering, Ton Duc Thang University, Ho Chi Minh City, Vietnam)

  • Thi-Loan Bui

    (Department of Civil Engineering, RACE, Ha Noi, Vietnam
    Department of Civil Engineering, University of Transport and Communications, Hanoi, Vietnam)

  • Hoang-An Le

    (Faculty of Civil Engineering, University of Transport, Ho Chi Minh City, Vietnam
    Department of Civil and Environmental Engineering, National University of Singapore (NUS), Singapore 117576, Singapore)

Abstract

Rammed earth (RE) is a construction material which is made by compacting the soil in a formwork. This material is attracting the attention of the scientific community due to its sustainable characteristics. Among different aspects to be investigated, the seismic performance remains an important topic which needs advanced investigations. The existing studies in the literature have mainly adopted simplified approaches to investigate the seismic performance of RE structures. The present paper adopts a numerical approach to investigate the seismic behavior of RE walls with an L-form cross-section. The 3D FEM model used can take into account the plasticity and damage of RE layers and the interfaces. The model was first validated by an experimental test presented in the literature. Then, the model was employed to assess the seismic performance of a L-form wall of a RE house at different amplitudes of earthquake excitations. Influences of the cross-section form on the earthquake performance of RE walls were also investigated. The results show that the L-form cross-section wall has a better seismic performance than a simple rectangular cross-section wall with similar dimensions. For the L-form cross-section wall, the damage observed concentrates essentially on the connection between two flanges of the wall.

Suggested Citation

  • Quoc-Bao Bui & Tan-Trung Bui & Mai-Phuong Tran & Thi-Loan Bui & Hoang-An Le, 2019. "Assessing the Seismic Behavior of Rammed Earth Walls with an L-Form Cross-Section," Sustainability, MDPI, vol. 11(5), pages 1-18, March.
    • Handle: RePEc:gam:jsusta:v:11:y:2019:i:5:p:1296-:d:210188
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    References listed on IDEAS

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    1. Quoc-Bao Bui, 2017. "Assessing the Rebound Hammer Test for Rammed Earth Material," Sustainability, MDPI, vol. 9(10), pages 1-10, October.
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    Cited by:

    1. Widera, Barbara, 2021. "Comparative analysis of user comfort and thermal performance of six types of vernacular dwellings as the first step towards climate resilient, sustainable and bioclimatic architecture in western sub-S," Renewable and Sustainable Energy Reviews, Elsevier, vol. 140(C).

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