CLC number: TU4; X4
On-line Access: 2024-08-27
Received: 2023-10-17
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FREDLUND Delwyn G.. Slope stability hazard management systems[J]. Journal of Zhejiang University Science A, 2007, 8(11): 1695-1711.
@article{title="Slope stability hazard management systems",
author="FREDLUND Delwyn G.",
journal="Journal of Zhejiang University Science A",
volume="8",
number="11",
pages="1695-1711",
year="2007",
publisher="Zhejiang University Press & Springer",
doi="10.1631/jzus.2007.A1695"
}
%0 Journal Article
%T Slope stability hazard management systems
%A FREDLUND Delwyn G.
%J Journal of Zhejiang University SCIENCE A
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%P 1695-1711
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%I Zhejiang University Press & Springer
%DOI 10.1631/jzus.2007.A1695
TY - JOUR
T1 - Slope stability hazard management systems
A1 - FREDLUND Delwyn G.
J0 - Journal of Zhejiang University Science A
VL - 8
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SP - 1695
EP - 1711
%@ 1673-565X
Y1 - 2007
PB - Zhejiang University Press & Springer
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DOI - 10.1631/jzus.2007.A1695
Abstract: Weather-related hazards%29&ck%5B%5D=abstract&ck%5B%5D=keyword'>geo-hazards are a major concern for both natural slopes and man-made slopes and embankments. Government agencies and private companies are increasingly required to ensure that there is adequate protection of sloping surfaces in order that interaction with the climate does not produce instability. Superior theoretical formulations and computer tools are now available to address engineering design issues related to the near ground surface soil-atmospheric interactions. An example is given in this paper that illustrates the consequences of not paying adequate attention to the hazards of slope stability prior to the construction of a highway in South America. On the other hand, examples are given from Hong Kong and Mainland China where significant benefits are derived from putting in place a hazard slope stability management system. Some results from a hazard management slope stability study related to the railway system in Canada are also reported. The study took advantage of recent research on unsaturated soil behaviour and applied this information to real-time modelling of climatic conditions. The quantification of the water balance at the ground surface, and subsequent infiltration, is used as the primary tool for hazard level assessment. The suggested hazard model can be applied at either specific high risk locations or in a more general, broad-based manner over large areas. A more thorough understanding of unsaturated soil behaviour as it applies to near ground surface soils, along with the numerical computational power of the computer has made it possible for new approaches to be used in slope hazard management engineering.
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