29 Лютого, 2024
ХІІ Міжнародна науково-практична інтернет-конференція
Технічні науки
2 статтіDRILLING OF WELLS BY ACTIVE DYNAMIC WORKING BODIES
Ievgenii Gorbatyuk, Illia Mazurets (Kyiv, Ukraine) Завантажити статтюThe brought results over of research of co-operation of boring working organs with soil at well-drilling by active dynamic working organs and the use of different elements destroying soil. A study of motion of particles of soil is undertaken on screw of boring worker of organs of dynamic action a...
ASSESSMENT OF THE AREA OF USING ANCHORING IN MINING WORKS DEPENDING ON INFLUENCED FACTORS
V.F. Demin, A.M. Zakharov, S.N. Dvuzhilova, T.V. Demina (Karaganda, Republic of Kazakhstan) Завантажити статтюAt the mining depths reached in the Karaganda coal basin (up to 830 m), it is impossible to achieve maintenance-free maintenance of workings using modern supports. This would require a support resistance of over 1.7 MN/m2, but modern supports have a resistance not exceeding 0.2 MN/m2. It is neces...