5. Technique for treating coal shale with road binder
The results obtained from the first test plots, carried out using a pulverizer, rapidly confirmed the laboratory studies. As a result, the initially envisaged use of a fixed plant was abandoned in favor of mobile workshops.
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Workshop organization
Depending on the application, the shale was processed :
or for excavation (transport of treated materials);
or backfill (transport of raw materials).
For the subgrade of the multimodal platform treated with 6% excavated material, the treatment workshop was organized as follows, in 40 cm thick passes:
use of a scarifier to decompact the soil and detect any mining waste (timber, scrap metal, conveyor belts, etc.);...
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Technique for treating coal shale with road binder
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