Early warning method for shallow soil landslide based on digital topographic map and application thereof
US11978331B2 · kind B2 · utility
Inventors
Key dates
| Filing date | Nov 25, 2022 |
| Grant date | May 7, 2024 |
| Priority date | — |
| Expiry date | Feb 10, 2043 |
Classification
- Technology area (CPC G)Physics
- CPC primaryG08B31/00
- WIPO fieldControl
- WIPO sectorInstruments
Abstract
This is an early warning method for a shallow soil landslide based on a digital topographic map, belonging to the field of landslide prevention and control engineering. It has following steps: a. connecting a straight line along an upward bulged intermediate point of a contour line of the topographic map as an intermediate line; b. determining an intermediate point; c. constituting a three-point group of a plane curvature; d. taking an arithmetic average of slopes as a slope α of a landslide mass. The shallow soil landslide can be early warned without a lot of historical observation data of landslide occurrence, and the dangerous landslide mass can be determined in advance, which greatly improves the applicability of disaster prevention and the early warning efficiency.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.