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Design of spatial database on earthquake disaster for highway(PDF)

长安大学学报(自然科学版)[ISSN:1006-6977/CN:61-1281/TN]

Issue:
2012年05期
Page:
29-33
Research Field:
Publishing date:

Info

Title:
Design of spatial database on earthquake disaster for highway
Author(s):
XU Jin-liang JIA Xing-li YANG Hong-zhi
Key Laboratory for Special Area Highway Engineering of the Ministry of Education, Chang'an University, Xi'an 710064, Shaanxi, China
Keywords:
road engineering earthquake disaster database spatial data engine design
PACS:
U412
DOI:
-
Abstract:
In order to realize the automated analysis on earthquake disaster for highway and research the spatial distribution of earthquake damage, the spatial database structure of earthquake disaster for highway(EDH)was designed from the concept, logic and physical aspects. The technology of spatial data engine was used and the large-scale relationship database was built based on the data storage and management. Based on the database, the spatial distribution between geological disaster and elevation in Yingxiu - Wenchuan zone was analyzed. The results indicate that the distribution of geological disasters has significant relationship with elevation difference, 85.4% of the total disasters is from 1 500 to 3 500 m, when the elevation is up to 3 500 m, with the elevation increasing the number of geological disasters has decreased. The establishment of the database realizes the automated analysis mode of EDH and improves its accuracy. 8 figs, 12 refs.

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Last Update: 2012-10-30