Disposal of drilling waste in salt mines in China Sci Total Environ. 2024 Feb 20:912:168746. doi: 10.1016/j.scitotenv.2023.168746. Epub 2023 Nov 24. Authors ... 6 College of Petroleum Engineering, China University of Petroleum, Bejing 102249, China. PMID: 38008329
In order to reveal the rockburst characteristics in deep engineering, the rockburst investigations and rockburst mechanisms based on in-situ stress were carried …
The geological structure of the Changshanhao open-pit mine in Urad Middle Banner, Inner Mongolia, China is extremely complicated, and slope instability has …
In recent years, a great deal of fruitful and innovative work targeting the research acceleration, popularization, and application of intelligent mining technology has been conducted in several mines in China, such as the Xingshan iron mine and the …
The project has been recognized as China's largest gold mine, a national mine park, a national soil and water conservation demonstration project, and a national demonstration base for the comprehensive utilization of …
There are 97% of underground coal mines in China characterized by complex geological conditions, various types of disasters and wide distribution of mines. China's coal mining conditions are the worst among the major coal-producing countries in the world. In China, 36% of coal mines are characterized by complicated or extremely …
Yaqin Wu a School of Mechanical Electronic and Information Engineering, China University of Mining and Technology (Beijing), ... In order to prevent the accidents in underground coal mines, an index system for safety supervision ability evaluation is established in the present paper. The index system is composed of goal layer, criteria …
China's gold mining industry is one of the largest in the world – with growing influence both at home and abroad. Zhang Yongtao, Vice Chairman and Secretary General of the China Gold Association, …
Although the green mining strategy has achieved considerable significance, there is still a considerable gap between its research and practice. This study evaluates …
Coal mines in Pingdingshan mining area, Henan province, China, are commonly mined at a great depth up to 1000 m, and inevitably reside in high temperature, high pressure, high permeability, strong ...
Rockburst in deep rock engineering poses serious threat to personnel safety and engineering. In order to reveal the rockburst characteristics in deep engineering, the rockburst investigations and rockburst mechanisms based on in-situ stress were carried out at five deep gold mines in Jiaodong Peninsula, China.
Engineering Geology. Volume 116, Issues 3–4, 23 November 2010, Pages 333-345. ... In most of the underground coal mines in China the overcoring method is applied to measure in-situ stresses with hydraulic fracturing being used in very few mines. Due to the special working conditions in Chinese underground coal mines, such as …
Sustainable Development of Deep Metal Mines in China Meifeng Cai a,b, Peng Li a,b, Wenhui Tan a,b, Fenhua Ren a,b a School of Civil and Resources Engineering, University of Science and ...
Large-scale efforts to control water hazards require knowledge of relevant grouting theories and recognition of their shortcomings. Relationships between key engineering technical specifications and conventional hydrogeological parameters were defined to guide engineering designs. For regional control of working face projects, the …
In recent years, China has seen a steady increase in the number of mines investing in intelligent mining technologies. Leading mining enterprises such as China …
problem facing the development of metal mines in China, while remaining the most important way to ensure the sustainable development and supply of metal mineral …
There are abundant mineral resources in Yunnan Province, which is located in the southwestern part of China, due to its unique geological conditions. The distribution of minerals is related to geological formations and past tectonic movements. The mineral resources extracted in Yunnan Province constitute 83 % of total mineral production in …
Mines have been active in China for over 6,000 years, long before the dawn of the global industrial age. Chinese gold miners pioneered some of the earliest mineral processing technologies in 1096 C.E. when they realized they could crush gold-threaded rocks to extract the precious ore more easily.. With the rise of environmental protection …
School of Civil and Resource Engineering, University of Science and Technology Beijing, Beijing, 100083, China. Peng Li, Mei-feng Cai, Qi-feng Guo & Sheng-jun Miao. Key Laboratory of High-Efficient Mining and Safety of Metal Mines (Ministry of Education of China), University of Science and Technology Beijing, Beijing, 100083, China
And that trash contains treasure. Metals made up half the world's electronic trash, or e-waste, in 2022 and were worth $91 billion. Copper, iron, and gold accounted for a big chunk of that value.
In the Asian region, 91% of gold production comes from China and five other countries, with China contributing the major share. With regard to gold consumption, the amount of gold bought in China rose steadily over the past several years from around 204.5 tons in 2002 to 832.18 tons in 2012.
A concept of the ratio of vertical stress reduction (r = 1 − σ z /σ z0, σ z is the vertical pressure after mining, σ z0 is the original pressure) in the roof above a goaf has been proposed.The larger the value of r, the higher the degree of stress reduction resulting from mining (Fig. 3).Studies have also revealed the existence of an annular-shaped …
He initiated stress measurements for earthquake prediction at the beginning of the 1960s. The first practical in-situ stress measurement in mines with stress relief method at local rock surface was completed by Professor Zongji Chen (Tjongkie Tan), the founder of rock mechanics and rock engineering in China, at Daye open-pit iron mine …
Keywords: historical slag area, heavy metals, pollution assessment, health assessment, farmland soil, ecological hazard DOI: 10.25165/j.ijabe.20211405.6536 Citation: Wang H, Zhang H, Xu R K. Heavy metal pollution characteristics and health evaluation of farmland soil in a gold mine slag area of Luoyang in China.
China; China University of Mining and Technology (Xuzhou) Mining Engineering ; About. The School of Mines at China University of Mining and Technology (Xuzhou), which offers the Mining Engineering program, has a history of over 100 years, stemming from the mining department of Jiaozuo School of Railroad and Mines founded in 1909.
Based on the current situation and major problems of deep mining of metal mineral resources in China, the key engineering technology development strategies to …
Mining is the foundation of modern industrial development. In the context of the "carbon peaking and carbon neutrality" era, countries have put forward the development strategy of "adhering to the harmonious coexistence of humans and nature." The ongoing progress and improvement of filling mining technology have provided significant …
Progress and prospects of mining with backfill in metal mines in China Gaili Xue1,2),, Erol Yilmaz3),, and ... Taiyuan 030024, China 3) Department of Civil Engineering, Geotechnical Division, Recep Tayyip Erdogan University, Fener, Rize TR53100, Turkey 4) Longshou Mine, Jinchuan Group Co., Ltd., Jinchuan 737100, China