Yongzhou Jian
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View article: Numerical analysis of coal rock gas dynamics disaster risk in coal thickness variation area and research on prevention and control
Numerical analysis of coal rock gas dynamics disaster risk in coal thickness variation area and research on prevention and control Open
During the mining process of deep coal mines, the coal thickness variation zone is highly prone to coal-rock-gas dynamic disasters. In order to promote the sustainable development of coal resource exploitation and utilization, the numerica…
View article: Analysis of the Influence of Dewatering of Subway Foundation Pit on the Displacement of Surrounding Strata
Analysis of the Influence of Dewatering of Subway Foundation Pit on the Displacement of Surrounding Strata Open
In order to study the influence of subway foundation pit on the displacement of surrounding strata under the condition of dewatering. Based on the finite element modeling of a subway foundation pit project under construction in Nanjing, th…
View article: Study on the escaping condition of backfill grouting based on two-phases flow for shield tunnelling during whole section rock
Study on the escaping condition of backfill grouting based on two-phases flow for shield tunnelling during whole section rock Open
During the process of full section surrounding rock shield tunneling, the occurrence of synchronous grout escaping can seriously affect the assembly quality of the detached shield tail segment ring. The segment is prone to quality accident…
View article: Application of Bio-Oxidation in Leaching of a Low-Grade Primary Gold Ore in Inner Mongolia
Application of Bio-Oxidation in Leaching of a Low-Grade Primary Gold Ore in Inner Mongolia Open
Bio-oxidation leaching test was conducted on a low-grade primary gold mine in Inner Mongolia. The acid consumption of ore, cyanidation, bio-oxidation stirred leaching, column leaching, add sulfur and sulfur concentrate to reduce acid consu…