Selecting the Appropriate Tunnel Boring Machine (TBM) Using Fuzzy-TOPSIS Technique Case Study: EmamZadeh Hashem Tunnel

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MIKAEIL R.; Jafar Shirzad p.; Khademi Hamidi j.

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Journal: JOURNAL OF ROCK MECHANICS Year:2017 | Volume:1 | Issue:2 Page(s): 29-40

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Title

Selecting the Appropriate Tunnel Boring Machine (TBM) Using Fuzzy-TOPSIS Technique Case Study: EmamZadeh Hashem Tunnel

Author(s)

MIKAEIL R. | Jafar Shirzad p. | Khademi Hamidi j. | Issue Writer Certificate

Keywords

Tunnel Boring Machine Selection

Fuzzy-TOPSIS method

Emam Zadeh Hashem Tunnel

Double Shield Universal TBM

Abstract

In recent years, mechanized tunneling and using tunnel boring machines in different ground conditions has developed. Selecting the appropriate tunnel boring machine is one of the important and determinative steps in excavation advances. In this regard, according to excavation and tunnel boring machine properties, can be select the best option. In this study, in first step, criteria such as RQD index, uniaxial comprehensive strength, tensile strength, wall's instability, face instability, distance between joints, water inflow, squeezing, fault zones, karstic voids, tunnel diameter, tunnel slope and tunnel curvature radius was selected, until in next step, four proposed machine be evaluated, and the appropriate option be selected. In following, by using Fuzzy-TOPSIS method and expert's comments, appropriate machine for excavation the second part of Emamzade Hashem tunnel was selected. The results showed that, according to the above criteria, the Double Shield Universal TBM is the best selection to excavate the second part of Emamzade Hashem tunnel. Summary In this study, in first step, in order to select the appropriate tunnel boring machine among proposed machines, thirteen criterions was chosen. In next step, For the use of expert's Comments, Questionnaires was sent. After weighting to criteria, and the proposed alternatives by using the experts Comments, best option was selected. Introduction Nowadays Due to population growth, road traffics has increased. To overcome this problem, reduction in costs and decrease the journey time, tunneling and using the tunnel boring machines has increased. Selecting the appropriate tunnel boring machine can be done by using decision-making methods. In order to, the alternatives most be compared according to criteria with each other. Finally according to the decision-making method solution, the best option is selected. Methodology and Approaches In this study, for selecting the appropriate TBM, Fuzzy-TOPSIS decision-making method were used. In this method in first step after making decision matrix and weighting to criteria, Results and Conclusions According to the results, Double Shield Universal TBM selected as appropriate Option. Flexibility of machine against criteria, specially Geotechnical and geological hazards is the most important reason to achieve this result.

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APA: Copy

MIKAEIL, R., Jafar Shirzad, p., & Khademi Hamidi, j.. (2017). Selecting the Appropriate Tunnel Boring Machine (TBM) Using Fuzzy-TOPSIS Technique Case Study: EmamZadeh Hashem Tunnel. JOURNAL OF ROCK MECHANICS, 1(2 ), 29-40. SID. https://sid.ir/paper/268313/en

Vancouver: Copy

MIKAEIL R., Jafar Shirzad p., Khademi Hamidi j.. Selecting the Appropriate Tunnel Boring Machine (TBM) Using Fuzzy-TOPSIS Technique Case Study: EmamZadeh Hashem Tunnel. JOURNAL OF ROCK MECHANICS[Internet]. 2017;1(2 ):29-40. Available from: https://sid.ir/paper/268313/en

IEEE: Copy

R. MIKAEIL, p. Jafar Shirzad, and j. Khademi Hamidi, “Selecting the Appropriate Tunnel Boring Machine (TBM) Using Fuzzy-TOPSIS Technique Case Study: EmamZadeh Hashem Tunnel,” JOURNAL OF ROCK MECHANICS, vol. 1, no. 2 , pp. 29–40, 2017, [Online]. Available: https://sid.ir/paper/268313/en

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