Education, Science, Technology, Innovation and Life
Open Access
Sign In

Extension AHP-Based Assessment of Safety Risk Levels in Subway Deep Excavation Construction

Download as PDF

DOI: 10.23977/jceup.2023.050807 | Downloads: 17 | Views: 368

Author(s)

Ziyi Zhang 1, Zheng Deng 2

Affiliation(s)

1 China Railway Design Corporation, South China Branch, Shenzhen, Guangdong, 518000, China
2 Shenzhen Metro Construction Group Co., Ltd., Shenzhen, Guangdong, 518000, China

Corresponding Author

Ziyi Zhang

ABSTRACT

Excavation projects in foundation pits are greatly influenced by geological conditions and surrounding environments. The construction process is complex, and apart from the stability of the pits themselves, there are also numerous risk factors. Failure to assess and prevent potential risks in foundation pits can result in severe consequences if accidents occur. This paper presents a method that combines the Analytic Hierarchy Process (AHP) with the theory of extenics to evaluate the safety risk levels in excavation construction of foundation pits. By establishing an extenics model and conducting relevance calculations, the safety risk levels in excavation construction of foundation pits are determined. Furthermore, based on actual engineering cases, the feasibility of the proposed model is demonstrated by comparing the results with the actual situations. The method presented in this paper effectively evaluates the magnitude of safety risks in excavation construction of foundation pits, thereby achieving the goal of guiding practical engineering projects.

KEYWORDS

Pit stability, extenics, analytic hierarchy process, safety risk levels

CITE THIS PAPER

Ziyi Zhang, Zheng Deng, Extension AHP-Based Assessment of Safety Risk Levels in Subway Deep Excavation Construction. Journal of Civil Engineering and Urban Planning (2023) Vol. 5: 48-60. DOI: http://dx.doi.org/10.23977/jceup.2023.050807.

REFERENCES

[1] Qian Q. H. (1998) Prospects for the Development and Utilization of Underground Space in the 21st Century. In: Proceedings of the 8th Annual Conference of the China Civil Engineering Society. China Civil Engineering Society: 8. 
[2] Liu J. H, Hou X. Y. (1997) Handbook of Excavation Engineering. Beijing: China Architecture & Building Press. 
[3] Hou Xiaoliang, Tan Xiaohui. (2016) Application of Improved Second Moment Method in Reliability Evaluation of Anti-Uplift Stability of Excavation. Journal of Wuhan University (Engineering Edition), 49 (05): 791-795. 
[4] Jiang H. W, Zhao X. H, Zhang B. L. (1997) Analysis of Anti-Uplift Stability of Deep Excavations in Anisotropic Soft Soil. Chinese Journal of Geotechnical Engineering, (01): 3-9. 
[5] Zhang W. (2019) Stability Analysis of Excavation Based on Finite Element Strength Reduction Method. Heilongjiang Water Resources Science and Technology, 47 (12): 141-143. 
[6] He Y. D. (2020) Deformation Characteristics and Stability Study of Excavation Considering Seepage Effects. Journal of Water Resources and Architectural Engineering, 18 (01): 28-31+50. 
[7] Li Z. Y, Ye C, Shen Y. S. (2014) Risk Assessment of Subway Excavation Based on Fuzzy Comprehensive Evaluation. Journal of Underground Space and Engineering, 10 (01): 220-226. 
[8] Hu N. L. (2015) Research on Deep Excavation Support and Construction Risk Assessment. East China University of Technology. 
[9] Zhou W. (2011) Risk Assessment of Excavation Engineering in Soft Soil Areas Based on Fuzzy Evaluation Method. Huaqiao University. 
[10] Cai W. (1994) Physical Element Model and Its Application. Beijing: Science and Technology Literature Publishing House. 
[11] Zhao H. C. (1986) Analytic Hierarchy Process: A Simple New Decision-Making Method. Beijing: Science Press. 
[12] Su Q. H. (2019) Study on Stability Coefficient of Super Deep Excavation. Sichuan Building Materials, 45 (01): 79-80. 
[13] Zhou Y. (2019) Analysis of Monitoring on the Stability of Super Deep Excavation of Bridge Abutment. Value Engineering, 38 (30): 175-178. 
[14] Zhu J. C. (2019) Monitoring and Stability Analysis of Pump House Excavation in Sanmen Nuclear Power Phase II Project. Journal of Underground Space and Engineering, 15 (S1): 385-390.

All published work is licensed under a Creative Commons Attribution 4.0 International License.

Copyright © 2016 - 2031 Clausius Scientific Press Inc. All Rights Reserved.