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Mechanism Peculiarities of Moscow landslides
( Andrey Kazeev ),( German Postoev ),( Ksenia Fedotova ) 대한지질공학회 2019 대한지질공학회 학술발표회논문집 Vol.2019 No.2
There are 15 sites with large deep landslides on Moscow territory. They have a complex mechanism of development, have a huge mass, and cause big problems in implementation of protection measures. The catastrophic phase (the moment of separation of a new landslide block from the native ground mass) in the cycle of development of deep compression-extrusion landslides was investigated in detail. During this phase, the main features of the mechanism of landslides of considered type are observed. The engineering geological conditions were analyzed of the territory with deep landslides. The scale and dynamics of deformations were investigated. The slip surface depths were instrumentally determined on sites. The reasons of two catastrophic activations of deep landslides occurred in 2006 and 2009 in Moscow were investigated. The dependences between different geomorphological parameters were received, which represent very informative characteristics of the landslide process. The landslide hazard assessment and reliable prediction of possible landslide activation, as well as the implementation protection measures, are impossible without clear understanding of the landslide mechanism, conditions and mechanics of the stress-strain state changes in a landslide mass prior to reaching their limit values. Neither they are possible without taking into account the dynamics of the landslide processes and the criteria that mark transition of the landslide development into a catastrophic phase.
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