Gold Mine Engineering In China

Characteristics and mechanism of rockburst at five deep gold mines …

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.

Stability analysis of open-pit gold mine slopes and …

The geological structure of the Changshanhao open-pit mine in Urad Middle Banner, Inner Mongolia, China is extremely complicated, and slope instability has …

Key Projects-Zijin Mining Group Co., Ltd.

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 …

Characteristics and mechanism of rockburst at five deep …

In order to reveal the rockburst characteristics in deep engineering, the rockburst investigations and rockburst mechanisms based on in-situ stress were carried …

Monitoring and statistical analysis of mine subsidence at …

subsidence at three metal mines in China (Jinchuan Nickel Mine, Sanshandao Gold Mine, and Jingerquan Nickel Mine). Data sets for these mines consisted of 1088, 345, and 101 Global Positioning System (GPS) monitoring points, covering monitoring periods of 14.5, 4, and 3.5 years, respectively. Although these mines had different

ROCK MECHANICS AND HAZARD CONTROL IN DEEP MINING ENGINEERING IN CHINA

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 ...

Progress and prospects of mining with backfill in metal …

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

A review of dust control/removal methods in metal mines in China

For example, under the condition of normal production and taking engineering protection measures, ... Wang [83] conducted an experimental study of liquid dust suppressants in Linglong gold mine tailing reservoir in China and reported the dedusting efficiency of liquid dust suppressants was 20% higher than that of clear water …

China's gold mining industry: a story of growth

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, …

Characteristics and implications of stress state in a gold mine …

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

Heavy metal pollution characteristics and health evaluation …

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.

Guidance and review: Advancing mining technology for …

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 …

Typical Geo-Hazards and Countermeasures of Mines in …

1 China University of Geosciences, 100083 Beijing, P.R. China. 2 Yunnan Land and Resources Vocational College, 652501, Yangzonghai ... which was induced by mining activities. Many countermeasures have been used for Yunnan mines, including engineering treatment technology and ecological remediation, monitoring and …

Monitoring and statistical analysis of mine subsidence at …

subsidence at three metal mines in China (Jinchuan Nickel Mine, Sanshandao Gold Mine, and Jingerquan Nickel Mine). Data sets for these mines consiste d of 1088, 345, and 101 Global Positioning ...

China, Engineering, and Ethics: A Sketch of the Landscape

China is a leading engineering country, fueling unprecedented global development. Technology and educational exchanges bring Chinese organizations, practitioners, and students together with similar groups from around the world. ... Arts, and Social Sciences at the Colorado School of Mines. Rockwell holds a PhD from Purdue University, MA from ...

Engineering Geology

Industrial development has progressively shifted mining engineering to greater depths as energy and resource consumption continues. As of 2020, China alone boasts over 60 mines with depths exceeding 1000 m, including over 10 metal mines, with an annual increase rate of 10–25 m per year.

In-situ stress measurements and stress distribution characteristics …

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 …

Disposal of drilling waste in salt mines in China

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

Electronic waste is a gold mine waiting to be tapped

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.

Developments and prospects of microseismic monitoring technology …

Microseismic monitoring technology has become an important technique to assess stability of rock mass in metal mines. Due to the special characteristics of underground metal mines in China, including the high tectonic stress, irregular shape and existence of ore body, and complex mining methods, the application of microseismic …

Determination of Abutment Pressure in Coal Mines with

This paper investigates the abutment pressure distribution in coal mines with extremely thick alluvium stratum (ETAS), which is a typical kind of mines encountering frequent intense rockbursts in China. This occurs due to poor understanding to abutment pressure distribution pattern and the consequent inappropriate mine design. In this …

Control of coal and gas outbursts in Huainan mines in China…

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 …

Estimation of support requirement for a deep shaft at the …

A deep shaft project (denoted XZJ) is being carried out to provide a central ore-lifting facility for various mining areas at the Xincheng gold mine, located in northeastern Laizhou, Yantai, Shandong Province, China (Fig. 1). The shaft is required to have a circular cross section with a finished diameter of 6.7 m and a depth of 1527 m, …

Key Engineering Technologies to Achieve Green, Intelligent, …

The object of this article is to present the innovative technology system for the deep mining of metal mines in China. Based on the current situation and major problems of deep mining of metal ...

Evaluation and future framework of green mine construction …

Although the green mining strategy has achieved considerable significance, there is still a considerable gap between its research and practice. This study evaluates …

2023 Industry Outlook: Mining in China | An Underground …

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 …

Mining Engineering, Master | China University of Mining …

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.

Key engineering technologies to achieve green, intelligent, …

DOI: 10.1016/j.eng.2021.07.010 Corpus ID: 238643814; Key engineering technologies to achieve green, intelligent, and sustainable development of deep metal mines in china @article{Cai2021KeyET, title={Key engineering technologies to achieve green, intelligent, and sustainable development of deep metal mines in china}, author={Meifeng Cai and …

A new safety supervision model for underground coal mines in China

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 …