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Addressing the critical issue of subway structure leakage in Beijing due to rising groundwater levels, this study focuses on the development of an effective management framework. The work presents a comprehensive prevention and control technology system tailored for the Beijing subway, encompassing risk identification, assessment, and mitigation strategies. The investigation begins with pinpointing the diverse factors that contribute to leakage and proceeds to evaluate the risks through both qualitative and quantitative approaches, which apply to different segments and stations within the subway system. Risk levels ranging from A through D have been devised to facilitate targeted emergency and routine leakage management protocols. The resultant strategies accommodate both urgent responses and standard leakage rectification processes. The findings of this research aim to serve as a theoretical and technical groundwork for the management of similar urban subway structures.
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| 科 Family | 属数 Number of genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) | 属 Genus | 种数 Number of species | 占总种数比例 Percentage of total species (%) |
|---|---|---|---|---|---|---|
| 鹅膏菌科Amanitaceae | 2 | 11 | 5.26 | 鹅膏菌属 Amanita | 10 | 4.78 |
| 小菇科 Mycenaceae | 2 | 12 | 5.74 | 丝盖伞属 Inocybe | 5 | 2.39 |
| 多孔菌科 Polyporaceae | 8 | 14 | 6.70 | 蜡蘑属 Laccaria | 5 | 2.39 |
| 红菇科 Russulaceae | 3 | 23 | 11.00 | 小皮伞属 Marasmius | 6 | 2.87 |
| 小菇属 Mycena | 11 | 5.26 | ||||
| 光柄菇属 Pluteus | 5 | 2.39 | ||||
| 红菇属 Russula | 17 | 8.13 | ||||
| 栓菌属 Trametes | 5 | 2.39 |
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