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Geomechanics and Engineering Volume 30, Number 3, August10 2022 , pages 313-324 DOI: https://doi.org/10.12989/gae.2022.30.3.313 |
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A new decision method for construction scheme of shallow buried subway station |
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Daohong Qiu, Yuehao Yu, Yiguo Xue, Maoxin Su, Binghua Zhou, Huimin Gong, Chenghao Bai and Kang Fu
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| Abstract | ||
| With the development of the economy, people's utilization of underground space are also improved, and a large number of cities have begun to build subways to relieve traffic pressure. The choice of subway station construction method is crucial. If an inappropriate construction method is selected, it will not only waste costs but also cause excessive deformation that may also threaten construction safety. In this paper, a subway station construction scheme selects model based on the AHP-fuzzy comprehensive evaluation. The rationality of the model is verified using numerical simulation and monitoring measurement data. Firstly, considering the economy and safety, a comprehensive evaluation system is established by selecting several indicators. Then, the analytic hierarchy process is used to determine the weight of the evaluation index, and the dimensionless membership in the fuzzy comprehensive evaluation method is used to evaluate the advantages and disadvantages of the construction method. Finally, the method is applied to Liaoyang east road station of Qingdao metro Line 2, and the results are verified by numerical simulation and monitoring measurement data. The results show that the model is scientific, practical and applicable. | ||
| Key Words | ||
| analytic hierarchy process; fuzzy comprehensive evaluation; monitoring measurement; numerical simulation; selection of construction method; subway station | ||
| Address | ||
| Daohong Qiu, Yuehao Yu, Yiguo Xue, Maoxin Su, Binghua Zhou, Huimin Gong, Chenghao Bai and Kang Fu: Geotechnical and Structural Engineering Research Center, Shandong University, Ji | ||