Method and device for assessing risks of close-spaced tunnels on high-speed railway roadbed
The invention discloses a method and a device for assessing risks of close-spaced tunnels on a high-speed railway roadbed. The method includes determining loosening areas and disturbed areas of the close-spaced tunnels to be excavated; determining all stages of bearing areas of the high-speed railwa...
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| creator | SHAN SHIJUN LIU JIANYOU WANG TING ZHAO QIAOLAN MA FUDONG LIU GUOSHENG TAN FUSHENG PENG BIN LV GANG WANG YANG YU CHENYUN ZHANG KUANGSAN CHEN XUEFENG SHI SHAN GAO YULAN JIANG XIAORUI |
| description | The invention discloses a method and a device for assessing risks of close-spaced tunnels on a high-speed railway roadbed. The method includes determining loosening areas and disturbed areas of the close-spaced tunnels to be excavated; determining all stages of bearing areas of the high-speed railway roadbed according to additional pressure generated by ground load at the position where the high-speed railway roadbed is located and gravity stress of the soil layer; and assessing the level of engineering risks of the close-spaced tunnels on the high-speed railway roadbed according to the calculated overlapping degree of the loosening areas of the close-spaced tunnels and all stages of bearing areas of the high-speed railway roadbed and the calculated overlapping degree of the disturbed areas of the close-spaced tunnels and all stages of bearing areas of the high-speed railway roadbed. The method and the device establish the level of engineering risks of the close-spaced tunnels on the high-speed railway roadbe |
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The method includes determining loosening areas and disturbed areas of the close-spaced tunnels to be excavated; determining all stages of bearing areas of the high-speed railway roadbed according to additional pressure generated by ground load at the position where the high-speed railway roadbed is located and gravity stress of the soil layer; and assessing the level of engineering risks of the close-spaced tunnels on the high-speed railway roadbed according to the calculated overlapping degree of the loosening areas of the close-spaced tunnels and all stages of bearing areas of the high-speed railway roadbed and the calculated overlapping degree of the disturbed areas of the close-spaced tunnels and all stages of bearing areas of the high-speed railway roadbed. 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The method includes determining loosening areas and disturbed areas of the close-spaced tunnels to be excavated; determining all stages of bearing areas of the high-speed railway roadbed according to additional pressure generated by ground load at the position where the high-speed railway roadbed is located and gravity stress of the soil layer; and assessing the level of engineering risks of the close-spaced tunnels on the high-speed railway roadbed according to the calculated overlapping degree of the loosening areas of the close-spaced tunnels and all stages of bearing areas of the high-speed railway roadbed and the calculated overlapping degree of the disturbed areas of the close-spaced tunnels and all stages of bearing areas of the high-speed railway roadbed. The method and the device establish the level of engineering risks of the close-spaced tunnels on the high-speed railway roadbe</abstract><oa>free_for_read</oa></addata></record> |
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| language | chi ; eng |
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| subjects | CALCULATING COMPUTING COUNTING ELECTRIC DIGITAL DATA PROCESSING PHYSICS |
| title | Method and device for assessing risks of close-spaced tunnels on high-speed railway roadbed |
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