지반침하 피해도 분석을 위한 GIS 활용에 관한 연구

• 발행기관: 대한자원환경지질학회
• 저자명: 권광수 유명환 박형동
• 간행물 정보: 『자원환경지질』33권 6호, 557~563쪽, 전체 7쪽
• 주제분류: 자연과학 > 지질학
• 파일형태: PDF
• 발행일자: 2000.12.30

영문 초록

Subsidence hazard has never been considered seriously until recent years in Korea, although its socioeconomic impact on Korea becomes more and more enormous. There have been a few studies for the application of GIS analysis technique to the prediction of subsidence hazard. For GIS analysis, several factors, which are represented by coverge, are considered and selected for building a GIS model. Numerical method was used to quabtify the importance of each factor in GIS model and the result from numerical modeling using FLAC was compared with that from previous research based on empirical methods. Analysis in 3-D needs more computer resources (i.e. memory). Therefore that in 2.5-D was considered to overcome the problem. Not only maximum vertical subsidence but also maximum horizontal strain and maximum slope have been considered for the assessment of subsidence hazard. The model can be easily modified for the purpose of applications in any subsidence area, especially cavern or abandoned mines under thick soil layer.

키워드

지하침하 지리정보시스템 위험도 평가 수치해석적 방법 2.5차원.subsidensce GIS hazard assessment numerical method 2.5-D