Welcome to visit us![email protected]
Strength of a basaltic rock mass.The brittle strength of a rock may be assessed with the empirical hoekbrown failure criterion hoek and brown, 1980, given by 4 1 3 m c 3 s c 2, where 1 and 3 are the greatest and least principal stresses and c is the uniaxial or unconfined.
We are a large-scale joint-stock enterprise integrating scientific research, production and sales.Our leading products have crushing equipment, sand making equipment, mobile crusher, etc., Each type of product is with complete specifications. All products have passed ISO9001, CE and GOST international quality system certification.