Materiały konferencyjne SEP 2018

known for over 150 years and now it is having its Renaissance. It was influenced by develop- ment of chemistry used in construction as well as machines and devices for their usage. The method of consolidation of the rock mass by mineral-cement binders used at “Borynia- Zofiówka-Jastrzębie” coal mine- “Jastrzębie” industrial plant has significantly contributed to the improvement of safety of a working staff, the condition of a structural roof and financial savings. KEY WODS: binders, injection, underground construction