2016年10月17日

Soil nail- timely support

Soil nailing support is the timely support, that is, in the early years of rock excavation of
soil nails installation, after installation of surrounding rock with significant axial and lateral support resistance, prevent the expansion of loose rock and loose circle.
Applying reasonable installation stress in a timely manner, and in order to control the
deformation of the early surrounding rock, improving the self-bearing ability of surrounding
rock of roadway, inhibit the further expansion of loose circle.Installation stress as well
as hydraulic support setting force roof support to play an active supporting role.
The technology of soil nails support for its “fast, active and effective” and other
characteristics,has been widely used in coal mine roadway support.As with the depth of mine
increasing, for cross section of roadway,the pressure from the safety of the roadway become
more prominent, especially for frequent accidents, such as roof caving, morphology and the
complexity of the mine pressure information, puts forward a new challenge for soil nails
support technology.In order to ensure the safety of the mining, all kinds of factors that
affect of roadway soil nails supporting technology will be analyzed, and constantly optimize
and improve its performance from the technology, with the greatest degree to improve the
stability of the mine development.


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