IMHE OpenIR  > 成都山地所知识仓储(2009年以前)
The σ3-effect in the formation of rockslides
Language英语
LI PEI; LI TIANCHI
Corresponding AuthorLI PEI
1992
Source PublicationErosion, debris flows and environment in mountain regions: Proceedings of the International Symposium held at Chengdu, China, 5-9 July 1992 (IAHS Publ. no. 209)
Author of SourceD. E. ; Davies, T. R. ; Hasholt, B
Volume209
Pages253-261
meetingErosion, debris flows and environment in mountain regions
Conference Date1992
Conference PlaceChengdu
CountryChina
PublisherIAHS
Contribution Rank1
AbstractSlopes composed of sedimentary rocks have different forms and internal structures, which are determined by the properties and occurrence of strata. Vertically-bedded slopes, dip-bedded slopes and horizontally-bedded slopes are common in nature. During and after the process of slope formation, the component forms and relative positions of strata are constantly changing and developing. In one case, deformation develops with time without variation in stress; in another case, there is no alternation in strain, but the stress decreases with time, i.e. relaxation. The former is the so-called rock creep deformation. There are many examples of slope failure due to rock creep deformation. This paper describes yielding break landslides in horizontally-bedded rock slopes caused by the development of rock creep under the long-term effect of the least principal stress (σ3) gradient. Here the σ3-effect is the process of landsliding due to such a mechanical mechanism.
Other AbstractSlopes composed of sedimentary rocks have different forms and internal structures, which are determined by the properties and occurrence of strata. Vertically-bedded slopes, dip-bedded slopes and horizontally-bedded slopes are common in nature. During and after the process of slope formation, the component forms and relative positions of strata are constantly changing and developing. In one case, deformation develops with time without variation in stress; in another case, there is no alternation in strain, but the stress decreases with time, i.e. relaxation. The former is the so-called rock creep deformation. There are many examples of slope failure due to rock creep deformation. This paper describes yielding break landslides in horizontally-bedded rock slopes caused by the development of rock creep under the long-term effect of the least principal stress (σ3) gradient. Here the σ3-effect is the process of landsliding due to such a mechanical mechanism.
ISBN0-947571-38-8
Indexed By其他
Document Type会议论文
Identifierhttp://ir.imde.ac.cn/handle/131551/21460
Collection成都山地所知识仓储(2009年以前)
Corresponding AuthorLI PEI
AffiliationInstitute of Mountain Disasters and Environment, Chinese Academy of Sciences, Chengdu, Sichuan 610015, China
Recommended Citation
GB/T 7714
LI PEI,LI TIANCHI. The σ3-effect in the formation of rockslides[C]//D. E., Davies, T. R., Hasholt, B:IAHS,1992:253-261.
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