- 21. Analysis of maximum values of vertical and horizontal displacement of earth surface
- (Mining)
- ... there was dependence between them at separate considerations in the main sections of trough. The location of profile line in relation to direction of longwall movement influences the sizes of maximal horizontal ...
- Created on 15 November 2012
- 22. Position of characteristic points of the dynamic semi trough during undermining in the conditions of fall of water table
- (Mining)
- ... held at observation stations which had been placed in the main section of semi trough before mining face and after undermining had appeared in the flat bottom of semi trough. Position of points with the ...
- Created on 15 November 2012