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Underground diaphragm wall has great advantages in the application of deep foundation pit support in the basement of high-rise buildings, subway stations and other projects. However, for the construction of underground diaphragm wall under the complex geological conditions of soft upper and hard lower strata and high groundwater level, as well as the complex environmental conditions such as high support rate into rock, near the construction and adjacent to the operation range of subway, there are some problems such as easy to collapse holes, low trough efficiency and high construction cost. Therefore, the construction technology of pile-diaphragm wall integration supporting the foundation pit was studied. By replacing this part of the deep ground connection wall embedded in the breezed rock layer with cast-in piles, the difficulty and workload of hard rock troughs are reduced, and the safety risks of adjacent buildings and subway operations are reduced.
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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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