Influence of rod pre-tensioning on the bearing capacity of the roof of underground workings
Authors:
Abstract
So far, the rod fasteners have been mastered mainly on the basis of practical experience, as its theory is not sufficiently developed. The rods are passive suspensions only when the immediate roof is weak and the main roof rock is strong. In all other cases, the installation and loosening of rods in the rock change the bearing capacity of the roof, although the mechanical properties of samples made of rock, bonded and unbonded rods, of course, remain the same.
Область исследования:
Mining
References
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