Zobrazeno 1 - 2
of 2
pro vyhledávání: '"Qinhao HUANG"'
Publikováno v:
Meitan xuebao, Vol 49, Iss 4, Pp 1882-1893 (2024)
Frequent mining disturbance or periodic rupture of far-field roof in coal seam mining will produce multiple vibration loads, which have an important influence on the micro pore-fissure structure and macro mechanical behavior of coal. In order to expl
Externí odkaz:
https://doaj.org/article/9bdac53008894b6087b8ed0813bae594
Publikováno v:
Case Studies in Construction Materials, Vol 21, Iss , Pp e03479- (2024)
Silicate-modified polyurethane (PU/WG) is an effective organic–inorganic hybrid-grouting material that blocks water and reinforces weak formations. In deep high-temperature formations, owing to environmental impacts, PU/WG raw materials are heated
Externí odkaz:
https://doaj.org/article/7286c6ed901b4a5d96496b9496f1c02d