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To support the emergency decision-making of highway emergency rescue area, the technical process of emergency response to secondary disasters in highway emergency rescue area was established from three aspects, including personnel composition, work flow and equipment. According to the workflow, the implementation steps of 12 h rapid identification of disaster damage stage, 24 h rapid assessment of risk stage and 36 h quantitative assessment of risk stage wae established. Taking the highway rescue after the strong earthquake in Luding on September 5 in 2022 as a typical case, the above process was used to evaluate the disaster situation. The results show that the length of road damage points A and B of landslide at a tunnel entrance in Luding Hailuogou is 181.31 m and 115.26 m respectively, and the width is 9.81 m, and the volume is 4.7 × 104 m3 and 2.6 × 104 m3 respectively. In the rescue of 2# landslide, the length error is 7%, the width error is 4%, and the volume error is 10%.
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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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