Title:
SEISMIC LANDSLIDE QUICK REPORT ANALYSIS METHOD AND APPARATUS BASED ON ACTUALLY-MEASURED SEISMIC MOTION
Document Type and Number:
WIPO Patent Application WO/2021/008282
Kind Code:
A1
Abstract:
Disclosed are a seismic landslide quick report analysis method and apparatus based on an actually-measured seismic motion. The method comprises: acquiring an actually-measured ground motion record in an earthquake-stricken area (S101); acquiring a digital elevation model of a target area, and processing the digital elevation model to obtain a slope distribution in the target area (S102); acquiring lithology data of the target area, and determining, according to the lithology data, the mechanical properties of a rock mass in the target area (S103); according to the ground motion record, the slope distribution and the mechanical properties, and by means of a seismic landslide analysis model, carrying out analysis using a Newmark rigid sliding block method to obtain a critical slope of landslide occurrence at each station (S104); and according to the critical slope of landslide occurrence at each station, carrying out analysis to obtain seismic landslide risks around different stations (S105). According to the method, the impacts of seismic motion characteristics on a seismic landslide can be accurately reflected and are closer to actual seismic damages; the calculation efficiency is high and a modeling method is simple; and the method provides an important means for predicting seismic landslides in a disaster area after an earthquake.
Inventors:
LU XINZHENG (CN)
CHENG QINGLE (CN)
XU ZHEN (CN)
CHENG QINGLE (CN)
XU ZHEN (CN)
Application Number:
PCT/CN2020/095650
Publication Date:
January 21, 2021
Filing Date:
June 11, 2020
Export Citation:
Assignee:
UNIV TSINGHUA (CN)
International Classes:
G01V1/22; G01V1/30
Domestic Patent References:
| WO2002019052A2 | 2002-03-07 |
Foreign References:
| CN110376639A | 2019-10-25 | |||
| CN103399344A | 2013-11-20 | |||
| CN103364830A | 2013-10-23 | |||
| CN106709182A | 2017-05-24 | |||
| CN106710148A | 2017-05-24 |
Other References:
WANG, TAO ET AL.: "CASE STUDY ON RAPID ASSESSMENT OF REGIONAL SEISMIC LANDSLIDE HAZARD BASED ON SIMPLIFIED NEWMARK DISPLACEMENT MODEL: WENCHUAN M_S 8.0 EARTHQUAKE", JOURNAL OF ENGINEERING GEOLOGY, 28 February 2013 (2013-02-28), DOI: 20200724110612
Attorney, Agent or Firm:
TSINGYIHUA INTELLECTUAL PROPERTY LLC (CN)
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