Repository logo

Browsing by Subject "underground extraction"

Filter results by typing the first few letters
Now showing 1 - 1 of 1
  • thumbnail.journal.alt
    Item type:Article, Access status: Open Access ,
    Specyfika deformacji powierzchni dla dzisiejszego polskiego górnictwa węgla kamiennego
    (2007) Kowalski, Andrzej
    The specificity of contemporary determinants of mining extraction conducting in the aspect of surface protection and their effects in surface deformation was presented. Particularly the influence of the length of extraction longwalls and changeable extraction velocity on the dynamics of surface deformation growth. Attention was paid on the problem of rise of surface discontinuities in the form of steps and fissures at medium and high depth of extraction conducting.