Результаты (
английский) 3:
[копия]Скопировано!
They are formed in various rocks as a result of violations of their balance or reduce strength. Are caused by both natural and artificial (man-made) causes. The natural include:Increase the steepness of the hills, подмыв them under marine and river waters, seismic shocks. Artificial are the destruction of the slopes road notches, excessive offset ground, logging,Unreasonable agriculture on the slopes. According to international statistics, 80% of modern landslides associated with human activities.A large number of landslides occur in the mountains height from 1000 to 1700 m (90 % ) .
landslides may occur y at all slopes, starting with slope 19 °. However, the clay soils they occur and when steepness slope 5-7 °.To do this, simply избыточною moisturize rocks. They are receding at any time of the year, but most of the spring-summer period.
переводится, пожалуйста, подождите..
