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Stability analysis of open cut mining & road cut slope

Koirala, Rajaram (2015). Stability analysis of open cut mining & road cut slope<br />. Bachelor of Engineering (4th Year Project) Thesis, Charles Darwin University.

Document type: Thesis
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Author Koirala, Rajaram
Title Stability analysis of open cut mining & road cut slope
Institution Charles Darwin University
Publication Date 2015-10
Thesis Type Bachelor of Engineering (4th Year Project)
Supervisor Prathapan, Sabaratnam
Kannoorpatti, Krishnan
Abstract The stability of the slope is disturbed in the name of modern development. The speedy expansion of numerous areas has guided in destroying natural slopes, which will encourage imbalance and instability in the slope. The change in the natural slope may be for different reasons; no matter what the reasons be, stability is important for both economic and social safety. It is obvious that the failure mechanisms are mainly controlled by the specific rock mass and the soil formation at distinct locations. Stability analysis of slopes form a vital component of both open cut mining operations and the road cut slope throughout the life cycle of the project.

The thesis is divided into two sections and studied separately to compare and contrast the outcomes. The first part of the project focuses on the study of a deformation of the slope in various open cut mining operations with example carried out from the field visit of Crocodile Gold’s Northern Territory Operations. During the research period, field visit was carried out to collect sample soil and informative mine data. In the laboratory, the collected sample was used in performing appropriate laboratory test in finding the cohesion and angle of internal friction; furthermore, using appropriate numerical modelling software factor of safety and stability analysis was done.

The second part of the research was based on examining slope maintenance problems overall and concentrating on roadside slope. Appropriate field visit was performed and the study of the instability along the roadside was examined and studied. For this purpose, one particular example was taken and the appropriate laboratory test was performed. After the research and practical work of both sections of the thesis the clear conclusion was made appropriately based on stability.
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