Volume 2, Issue 2 — Year 2025 — Article e100037

ISSN (Online): 3115-8129 Biannually

Laboratory Analysis of Deformation Behavior in Layered Weak Rocks under Large-Scale Lateral Loading

Article Type: Research
Pages: e100037
DOI: https://doi.org/10.22034/CGEL.2.2.e100037
Crossmark
Open Access
Authors
Affiliations
  1. Department of Geology, Shahid Bahonar University of Kerman, Kerman 7616913439, Iran
  2. Department of Geology, Shahid Bahonar University of Kerman, Kerman 7616913439, Iran
Corresponding author
Email: Mohammadreza.narouei@sci.uk.ac.ir
Received: 25 August 2025 / Accepted: 13 September 2025 / Published: 19 October 2025
Abstract

This study investigates the deformation behavior of layered sedimentary rocks with diverse geotechnical properties under large-scale lateral loading conditions. These loads, primarily induced by tectonic activities, significantly alter the stress-strain distribution in geotechnical structures such as tunnels and roads built on slopes. Understanding these deformations is crucial for assessing the stability and performance of such structures. To analyze these effects, a series of controlled laboratory experiments were conducted using a specialized testing device designed to simulate lateral loading scenarios. The device measures layer deformations in meganeutons per square meter, providing precise insights into the mechanical response of bedded rock formations. The experimental setup involved systematically applying varying lateral loads while monitoring deformation patterns in different sedimentary rock samples. The recorded results highlight how weak sedimentary rocks respond to stress redistribution and lateral forces. The findings reveal critical deformation trends, structural weaknesses, and failure mechanisms that influence the long-term stability of geotechnical structures. This research contributes to a better understanding of the lateral load effects on layered rock formations and provides valuable data for designing more resilient infrastructure in geologically active regions.

Keywords

Laboratory deformation model, Layered sedimentary rocks, Axial loading, Slope stability, Large-scale testing

Data availability statement

The data supporting the findings of this study are available within article. No publicly archived dataset was generated.

Funding

This research received no external funding.

Highlights
  • Layered rocks deform under lateral loading
  • Tests reveal stress and failure behavior
  • Results support stable geotechnical design
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How to cite
Narouei, M., & Ghaderpour, Z. (2025). Laboratory Analysis of Deformation Behavior in Layered Weak Rocks under Large-Scale Lateral Loading. Civil and Geoengineering Letters, 2(2), e100037. https://doi.org/10.22034/CGEL.2.2.e100037
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