Zobrazeno 1 - 3
of 3
pro vyhledávání: '"Chao‐feng Yuan"'
Publikováno v:
Energy Science & Engineering, Vol 8, Iss 7, Pp 2599-2620 (2020)
Abstract Many mines often passively select supports with a higher yield load to avoid the occurrence of support crushing and roof falling during periodic weighting. This method is not conducive to improving production efficiency or reducing mining co
Externí odkaz:
https://doaj.org/article/e1d2149cb0884804ad5780bf47416edf
Publikováno v:
Energy Science & Engineering, Vol 7, Iss 6, Pp 2884-2894 (2019)
Abstract Disasters such as support crushing easily occur at the mining face under a shallowly buried remnant pillar; therefore, a method for presplitting blasting remnant pillars to relieve stress concentrations and reduce disaster occurrence is prop
Externí odkaz:
https://doaj.org/article/b7e66b5e7df9434a87ee4b3adbdca722
Publikováno v:
Energy Science & Engineering, Vol 7, Iss 5, Pp 1882-1895 (2019)
Abstract Burnt rock is a geo‐material widely existed in many countries. After the rock mass is burned, the fracture is developed, the structure is destroyed, the integrity and strength are reduced, and a good water storage space is formed in suitab
Externí odkaz:
https://doaj.org/article/f55d775fbae54067bbcf3ff77876fc08