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Xuedong WANG | Bachelor of Engineering | Liaoning …

The fine-grained sand materials of an internal dumping site in the Yuanbaoshan open-pit mine of China were selected as the research object; the changes of soil strength and deformation ...

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THE ECOGEOGRAPHICAL DISTRIBUTION OF GAMASIDES IN LIAONING PROVINCE

An illustration of an open book. Texts. An illustration of two cells of a film strip. Video An illustration of an audio speaker. ... THE ECOGEOGRAPHICAL DISTRIBUTION OF GAMASIDES IN LIAONING PROVINCE ... THE ECOGEOGRAPHICAL DISTRIBUTION OF GAMASIDES IN LIAONING PROVINCE by Wei-Xian, Li. …

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Investigation of Vegetation Changes in Different …

The spatial distribution map of vegetation change showed that the greatly degraded areas were mainly located in stopes, waste dumps, ... but it was lower than the average for all of Liaoning …

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Stability Analysis of a Steep Rock Slope in a Large Open‐Pit Mine …

In this study, an open-pit bench rock slope in Liaoning Province was taken as the research object. The physical parameters of the rock mass in the area were obtained through engineering drilling and large-scale direct shear tests. ... Open-pit mining is an important mining type in China. ... The overall distribution of slope is along the …

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Research on production capacity planning method of open-pit coal mine

Introduction. China is heavily dependent on coal, and the proportion of coal in the energy structure will be continuously high 1 – 3.The open-pit coal mining has the characteristics of high recovery and high safety factors, open-pit coal mining can bring huge economic benefits to the mining area 4 – 7.In the mining design of open pit coal mine, planning …

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Stability analysis of a deep and large open pit …

The Fushun West Open-pit Mine is the largest open pit in Asia, located downtown Fushun city, Liaoning Province, China. The pit is around 6.6 km long from east to west, and 2.2 km wide from north to …

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Stability assessment and feature analysis of slope in Nanfen Open Pit …

1. Introduction. As the mining method is turning from open pit mining to sag by mining, vertical height of open-pit mine slope continues to increase, the slope deformation and failure mode has close relationship with regional geological structure characteristics and the rock mass structure feature, the stability is influenced largely by …

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(PDF) Water inrush characteristics and hazard effects during …

The Yanqianshan iron mine is a large-scale open-pit mine located in Anshan city, Liaoning Pro vince, China (figure 1). The landform in the study ar ea is low mountain hilly land.

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Continuous-discontinuous analysis of bench blasting in open-pit mining …

In this work, the bench blasting in open-pit mining is simulated by a hybrid finite-discrete element method named CDEM. The employed two-dimensional model incorporates very fine discretization. Several indicators are used to evaluate the blasting effects, primarily focusing on the block sizes and fracture degrees.

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Mapping open-pit mining area in complex mining and …

The first of the mine types is in the areas covered by black minerals, which is referred to in this experiment as mine_A. Part of mine_A consists of the mining face of open-pit coal mines, open-pit iron mines, and some open-pit mine dumps, while the other part of mine_A is the plant surface of underground coal mines, where large amounts of ...

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China's Nanfen iron open-pit mine promotes green …

This aerial drone photo taken on Aug. 15, 2024 shows a part of the Nanfen iron open-pit mine, which has been transformed into a scenic spot in Benxi, northeast China's Liaoning Province. The Nanfen iron open-pit mine in northeast China's Liaoning Province in recent years has been making efforts to promote green and sustainable …

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Stability assessment and feature analysis of slope in Nanfen …

Section snippets General introduction to the project. Nanfen Open Pit Mine is located in the south of Benxi, Liaoning province, 7.5 km from Nanfen town, Nanfen …

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Spatial distribution of mine areas in the Luanhe River Basin, …

The 147 m below sea level is situated at an iron open-pit mining (iron, Malanzhuang Town, Hebei Province, 40°14′ N, 118°56′ E). The Luanhe River Basin is situated in the …

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The evolution of slope failure in a large open pit coal mine

The paper is focused on the Fushun west open pit mine (Fushun West OPM), located in Fushun City in Liaoning Province. This is an astonishing site, the largest …

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Application of the arctangent function model in the …

Ground subsidence disasters are characterized by wide distribution, long duration, and high-intensity damage, which can cause serious damages to surface buildings, underground pipelines, aquifers, and so on. ... They used the model to investigate a collapsed pit in the Taihe coal mine in Fushun, Liaoning Province, China, and the area's mining ...

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Stability analysis of a deep and large open pit based on fine

The Fushun West Open-pit Mine is the largest open pit in Asia, located downtown Fushun city, Liaoning Province, China. The pit is around 6.6 km long from east to west, and 2.2 km wide from north to south, as shown in Figure 1. Its lowest point is 339 m below sea level (Zhang et al. Citation 2019). The ground elevation varies from 65 m to …

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Influence of large open-pit mines on the construction and

Urban ecological resistance surfaces reached a maximum in the open-pit mining area, and 210 ecological corridors were estimated using the MCR model, of which 46 were important. ... and mine distribution maps. The Middle-Liaoning Ring and Shenyang–Jilin expressways pass through many important ecological corridors, and a …

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Extraction and spatiotemporal changes of open-pit mines

Using a visual interpretation method with ZY-3, GF-1, and GF-2 images, Li studied an open-pit mining area in Dalian, Liaoning Province, China. Vorovencii ( 2021 ) implemented change detection of the mining zone in Jiu Valley, Romania, during 1988–2017 based on the support vector machine algorithm using multitemporal Landsat …

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Dust distribution in open-pit mines based on monitoring …

To understand the concentration and distribution of PM2.5 and PM10 in open-pit mines, a beta-ray particle monitor and some laser monitors were arranged in Haerwusu Surface Coal Mine (HSCM), Inner Mongolia, China. A fluent simulation was made to study the dust move in the pit and escape rate and time out of the pit. The …

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The Influence of Rainfall on Landslide Stability of an Open-Pit Mine

The Haizhou open-pit coal mine was the largest mechanized open pit coal mine in Asia. This mine was closed down due to resource depletion in July 2005 and has become a national mine park. In 2015, with the development of slope cracks in the mining park, signs of resurrection landslide have appeared, severely threatening the safe …

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Study on morphology optimization of open-pit mine slope …

Introduction. The problem of spatial morphology of open pit mine slopes is both a safety problem and an economic problem. How to scientifically evaluate the stability of multi-weak layer soft rock slopes with respect to the unique engineering and geological characteristics of different open-pit mines, and the significant difference in slope …

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Stability Analysis of a Steep Rock Slope in a Large Open‐Pit …

The rock slope of the open-pit mine is located in Fengcheng City, Liaoning Province (Figure 1). The overall distribution of slope is along the east and west …

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Spatial distribution of mine areas in the Luanhe River Basin, …

Spatial distribution of mine areas in the Luanhe River Basin, China: Clustering implications ... The 147 m below sea level is situated at an iron open-pit mining (iron, Malanzhuang Town, Hebei Province, 40°14′ N, 118°56′ E). ... (0.96 km 2) situated in Liaoning Province. No mines are present in Inner Mongolia. The county-level ...

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The evolution of slope failure in a large open pit coal mine

The paper is focused on the Fushun west open pit mine (Fushun West OPM), located in Fushun City in Liaoning Province. This is an astonishing site, the largest open pit mine in Asia, extending over ...

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Spatial-temporal distribution characteristics and influencing …

Fushun west open-pit mine, which has a history of 100 years of mining, entered the pit-closing period. Due to the exploitation of resources, the west open-pit mine was threatened by geological disasters for a long time. In order to summarize the occurrence regularity of geological disasters in the west open-pit mine, ensure the safety of production and life …

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SHOWCASE MINE OF THE WEEK

Nanfen open pit iron mine, located in Nanfen district of the Liaoning province, China, is approximately 500m deep. It is one of the largest open-pit metal mines in China. Nanfen open pit mine is owned and operated by Benxi Iron and Steel Corporation (Benxi Steel). The mine produced more than 100 million tonnes of iron ore in 2011. It …

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Deformation and failure characteristic of open-pit slope …

Fig. 1a shows the study area, which is located in Anshan City, Liaoning Province, China, in the central part of the Liaodong Peninsula, at the southeast edge of the Songliao Plain. The Qidashan open-pit mine is adjacent to the Lishan District residential area in Anshan City, with many residential buildings close to the pit boundary.

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Research on production capacity planning method of open-pit coal mine

The production capacity planning results of each mining district in this plan are as follows: the production capacity of the 3rd mining district is 30-35 Mt/a; the production capacity of the 4th mining district in Region 1 is 20-31 Mt/a, and the production capacity in Region 2 is 24-33 Mt/a; the production capacity of the 5th mining district is ...