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An extended TODIM-based model for evaluating risks of excavation system
https://orcid.org/http://orcid.org/0000-0002-5610-7988
This paper presents a risk evaluation model of excavation system. The model is developed based on extended TODIM method (TODIM is an acronym in Portuguese for Interactive Multi-criteria Decision Making). Developed model consists of three phases: data collection and benchmark risk level classification, extended TODIM method application and risk status perception. Excavation system is divided into 19 sub-systems based on monitored scheme, and twelve influential factors are determined. Sub-systems of excavation in high risk status are identified via the developed model. Impacts of coefficient θ in extended TODIM method on risk status results are investigated. An excavation construction project in Tianjin is adopted. Evaluation results show that sub-systems with high-risk status can be identified, which are consistent with the engineering practices. Finally, sensitivity analysis is conducted to increase the robustness of developed model. The developed model can provide a comprehensive risk status perception of sub-systems of excavation which can mitigate and manage the risks during excavation construction.
An extended TODIM-based model for evaluating risks of excavation system
https://orcid.org/http://orcid.org/0000-0002-5610-7988
This paper presents a risk evaluation model of excavation system. The model is developed based on extended TODIM method (TODIM is an acronym in Portuguese for Interactive Multi-criteria Decision Making). Developed model consists of three phases: data collection and benchmark risk level classification, extended TODIM method application and risk status perception. Excavation system is divided into 19 sub-systems based on monitored scheme, and twelve influential factors are determined. Sub-systems of excavation in high risk status are identified via the developed model. Impacts of coefficient θ in extended TODIM method on risk status results are investigated. An excavation construction project in Tianjin is adopted. Evaluation results show that sub-systems with high-risk status can be identified, which are consistent with the engineering practices. Finally, sensitivity analysis is conducted to increase the robustness of developed model. The developed model can provide a comprehensive risk status perception of sub-systems of excavation which can mitigate and manage the risks during excavation construction.
An extended TODIM-based model for evaluating risks of excavation system
https://orcid.org/http://orcid.org/0000-0002-5610-7988
This paper presents a risk evaluation model of excavation system. The model is developed based on extended TODIM method (TODIM is an acronym in Portuguese for Interactive Multi-criteria Decision Making). Developed model consists of three phases: data collection and benchmark risk level classification, extended TODIM method application and risk status perception. Excavation system is divided into 19 sub-systems based on monitored scheme, and twelve influential factors are determined. Sub-systems of excavation in high risk status are identified via the developed model. Impacts of coefficient θ in extended TODIM method on risk status results are investigated. An excavation construction project in Tianjin is adopted. Evaluation results show that sub-systems with high-risk status can be identified, which are consistent with the engineering practices. Finally, sensitivity analysis is conducted to increase the robustness of developed model. The developed model can provide a comprehensive risk status perception of sub-systems of excavation which can mitigate and manage the risks during excavation construction.
An extended TODIM-based model for evaluating risks of excavation system
Acta Geotech.
Lin, Song-Shun (author) / Shen, Shui-Long (author) / Zhang, Ning (author) / Zhou, Annan (author)
Acta Geotechnica ; 17 ; 1053-1069
2022-04-01
17 pages
Article (Journal)
Electronic Resource
English
Excavation system , Extended TODIM method , Risk control and reduction , Risk evaluation Engineering , Geoengineering, Foundations, Hydraulics , Solid Mechanics , Geotechnical Engineering & Applied Earth Sciences , Soil Science & Conservation , Soft and Granular Matter, Complex Fluids and Microfluidics
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