Rammed earth (RE) structures have been gradually appreciated for their environmental and thermal benefits. To ensure construction site safety, it is necessary to adhere to the evaluation methods required by their complex seismic behaviour. The aim of this study is to compare two main nonlinear seismic analysis approaches for rammed-earth structures: Pushover Analysis (static) and Time-History Analysis (dynamic). Findings from literature show that Time-History Analysis gives a detailed representation of dynamic effects but demands significant computational resources, while Pushover Analysis, though simpler, effectively identifies weak zones and interlayer behaviour. This study contrasts these methods based on case studies of both unreinforced and strengthened rammed earth buildings, emphasizing their respective strengths, limitations, and applicability conditions. The results enhance consolidating a robust methodological framework for reliable, context-adapted seismic analysis of rammed-earth structures in seismic zones.

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Comparative Review of Seismic Analysis Methods for Rammed Earth Structures: Pushover and Time-History Analysis

  • Maryam Saadani,
  • Ilham Masrour,
  • Khadija Baba,
  • Taoufik Tbatou

摘要

Rammed earth (RE) structures have been gradually appreciated for their environmental and thermal benefits. To ensure construction site safety, it is necessary to adhere to the evaluation methods required by their complex seismic behaviour. The aim of this study is to compare two main nonlinear seismic analysis approaches for rammed-earth structures: Pushover Analysis (static) and Time-History Analysis (dynamic). Findings from literature show that Time-History Analysis gives a detailed representation of dynamic effects but demands significant computational resources, while Pushover Analysis, though simpler, effectively identifies weak zones and interlayer behaviour. This study contrasts these methods based on case studies of both unreinforced and strengthened rammed earth buildings, emphasizing their respective strengths, limitations, and applicability conditions. The results enhance consolidating a robust methodological framework for reliable, context-adapted seismic analysis of rammed-earth structures in seismic zones.