Mapping method of landslide threat range based on equivalent friction coefficient and trend analysis
US12216239B1 · kind B1 · utility
Assignee
Inventors
Key dates
| Filing date | Jul 4, 2024 |
| Grant date | Feb 4, 2025 |
| Priority date | — |
| Expiry date | Jul 4, 2044 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG01V20/00
- WIPO fieldMeasurement
- WIPO sectorInstruments
Abstract
Disclosed is a mapping method of landslide threat range based on equivalent friction coefficient and trend analysis, which includes the following steps: obtaining physical parameters of a landslide, and obtaining a volume of the landslide according to an area in the physical parameters; selecting relevant parameters based on a rock type in the physical parameters, and obtaining the equivalent friction coefficient according to the relevant parameters and the volume; obtaining a landslide runout distance according to the equivalent friction coefficient, determining coordinate points of a hyperbola and a front edge boundary range according to the landslide runout distance, and performing a hyperbolic fitting on two side boundaries of the landslide according to the coordinate points to obtain a side boundary range; generating the landslide threat range based on the front edge boundary range and the side boundary range.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.