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The main building structure in a thermal power plant houses a large number of mechanical and electrical equipment, which is an essential component of the entire building. In this study, a calculation model for the main building structure considering the interaction between equipment and structure was established. A separate structural model of the main building structure was used as a comparison. Through static push-over analysis, the seismic performance of the structure was evaluated. The seismic fragility analysis based on SPO2IDA was conducted for both models. It was found that the structure-equipment interaction system in the elastic-plastic stage has a higher stiffness. The coal bunker has a significant damping effect on the coal bunker layer and adjacent layers, but it slightly increases the inter-story drift angle on the floor with the maximum inter-story displacement angle. The seismic fragility curve of the structure-equipment interaction system in the main power plant is obtained based on the SPO2IDA method.
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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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