Maqolada chuqur konlarning yon devorining qiyalik burchagini hisoblab aniqlash va ularni tashkil qilishmetodikalari keltirilgan.
Tayanch iboralar: kon yon devorining qiyalik burchagi, metodika, yon devorning konstruksiyasi, qiyalik burchagi, transport bermalari, xavfsizlik bermalari, qiyalikning qulashi.
In the article are given determination of the test method for maximum allowed critical slope angle and method of its formation.
Key words: slope angle of pits boards, technique, construction of a board, slope angle, haulage berm, safety berm, slope collapse.