By Stephen G. Evans, Gabriele Scarascia Mugnozza, Alexander Strom, Reginald L. Hermanns
This specified quantity includes papers according to displays and discussions on the NATO complicated study Workshop on colossal Rock Slope Failure; New types for risk evaluate held in Celano, Italy in June 2002. 32 papers by way of sixty four engineers, geologists, and geomorphologists from sixteen nations tackle the problem of landslides from vast rock slope failure and linked phenomena (landslide tsunamis and landslide dams). Authors contain a few of the world’s major professionals at the topic. among the thematic issues mentioned are international frequency, affects on society, research of preliminary rock slope failure, tracking of rock slope move, research and modeling of post-failure behaviour, volcanic landslides, and affects of huge rock slope failure at the geomorphological evolution of mountain areas. nearby contributions contain reviews on rockslides and rock avalanches in Norway, western Canada, the Andes of Argentina, the Karakoram Himalaya, the eu Alps, the Appennines, and the mountains of vital Asia. Rockslides and rock avalanches within the vital Asian republics of the previous Soviet Union are mentioned intimately for the 1st time in an English-language booklet. those landslides contain the 1911 Usoi rockslide, that dammed seventy five km-long Lake Sarez, and the 1949 Khait rock avalanche that could have killed as much as 28,000 humans. either landslides have been earthquake-triggered and either can be found in Tajikistan. an extra spotlight is a close description and research of large-scale synthetic rock avalanches brought on by means of underground nuclear explosions through the checking out programme of the previous Soviet Union. the amount is a contribution to defining the cutting-edge in danger evaluate for large rock slope failure and to international wisdom of the prevalence of landslides from tremendous rock slope failure in time and area. it really is devoted to the reminiscence of famous Italian engineering geologist Professor Edoardo Semenza (1927-2002).
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Extra info for Landslides from Massive Rock Slope Failure (NATO Science Series: IV: Earth and Environmental Sciences)
Because of this, the “rock” mass involved in initial failure is easily fragmented and quickly becomes transformed into a rapidly moving rock/debris avalanche. , 60, 101, 125, 225, 339]. A typical example is the large prehistoric debris avalanche (est. volume 91 M m3) on the slopes of Lastarria volcano in the Chilean Andes . 5°. The pyroclastic debris is highly fragmented; near its distal limit, the debris ran up and over a small cone 125 m in height suggesting a minimum emplacement velocity of 50 m/s (180 km/hr).
The precise mechanism of mountain slope deformation is difficult to establish even at sites that have been extensively studied . C. Hydro's Wahleach Power Station, in the Fraser Valley of southwestern British Columbia  an extensive slope stability investigation was began in January 1989 when the steel lining of a conduit tunnel leading down to the generating station was ruptured by slope movement. A major subsurface investigation established that no discrete sliding surface pre-existed or developed as a result of the movements.
44, 163-182. Bozzolo, D. and Pamini, R. , and Hutter, K. (1988) Rockfall analysis-a mathematical model and its test with field data, Proc. 5th Int. Symp. on Landslides, Lausanne, v. 1, pp. 555-560. E. L. (Editors) (1989) Landslides: extent and economic significance. A. Balkema, Rotterdam. M.