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- W2382834055 abstract "Based on field investigation and site survey,we found that slopes of soft-hard alternate strata formed by the interbedding of carbonatite with shale or mudstone are widely distributed in the Three Gorges area.Suffering from the influence of gravity,water softening and long-term weathering,the soft foundation generates a horizontal plastic flow to the free surface or asymmetric settlement,thus the tensile crack of the limestone expands,which eventually results in unstable rock slides.In a study reported in this paper,the unstable rocks were divided into two models,i.e.the unstable sliding rock and the unstable toppling rock.A mechanical model for analyzing the rock stability was established on the basis of limit equilibrium theory and rock structure theory.Then,this model was applied in the analysis of the stability of unstable rocks in Wangxia.The results showed that the stability coefficient of unstable sliding rock W2 was 1.19under natural conditions and diminished with the rise of the water head in the fissures under saturated conditions and that the unstable toppling rock W1 was prone to break at the height of 37.5m.The calculation result was consistent with the actual situation." @default.
- W2382834055 created "2016-06-24" @default.
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- W2382834055 date "2014-01-01" @default.
- W2382834055 modified "2023-09-24" @default.
- W2382834055 title "Research on the Mechanism of the Development of Unstable Rocks in the Limestone Area in the Three Gorges and Stability Analysis for the Rocks" @default.
- W2382834055 hasPublicationYear "2014" @default.
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