Forest Area Utilization for Underground Mining Activities Regulation

2013 ◽  
pp. 455-462
Keyword(s):  
Underground Mining ◽  
Forest Area ◽  
Mining Activities

Study of Real-Time Monitoring System on the Underground Mining Activities Based on Explosion Source Location Technology

2012 ◽  
Vol 190-191 ◽  
pp. 1179-1182
Author(s):  
Xiu Zhi Meng ◽  
Zeng Zhi Zhang ◽  
Zong Sheng Wang
Keyword(s):  
Real Time ◽  
Monitoring System ◽  
Underground Mining ◽  
Coal Mines ◽  
Source Location ◽  
Environmental Damage ◽  
Mining Activities ◽  
Real Time Monitoring ◽  
P Waves ◽  
Vibration Sensors

The mining boundary ultra-layer & cross-border of some small coal mines in the profit-driven results in a many of safety accidents, waste of resources and environmental damage while the state can not achieve the full uninterrupted supervision because of the backward monitoring tools and equipment. In this situation the real-time monitoring system for underground mining activities is designed based on explosion source location technology. Small and medium-sized coal mines tunnel by blasting operations. The P waves are picked up by acceleration vibration sensors buried underground that are identified and dealt by using wavelet transform. The bursting point is located by the Geiger algorithm and displayed in the mine’s electronic map. The monitor system has good stability, small positioning error by field-proven.

scholarly journals Ecological impact of coal mines on lichens: A case study at Moghla coal mines Kalakote (Rajouri), J&K

2009 ◽  
Vol 1 (1) ◽  
pp. 24-26 ◽  
Author(s):  
Sangeeta Charak ◽  
Mukhtar A. Sheikh ◽  
Anil K. Raina ◽  
D. K. Upreti
Keyword(s):  
Coal Mining ◽  
Ecological Impact ◽  
Coal Mines ◽  
Forest Area ◽  
Mining Activities ◽  
Quantitative Parameters ◽  
Open Coal

The data on the frequency, density and abundance of the lichens growing around the Moghla Coal mines, Kalakote has been recorded and compared with lichens growing in a forest area away from the coal mines to work out effect of coal mines on the diversity and distribution of lichens. The data revealed that pollutants released by the open coal mining activities not only effected qualitative distribution but also have effect on the quantitative parameters. Over all 10 species of lichens belonging to 9 genera and 6 families have been recorded from the vicinity of coal mines as compared to 15 species, belonging to 9 genera and 7 families, recorded from the forest area.

Evaluation of Mining Activities Using a Scenario Interview Approach

1998 ◽  
Vol 42 (15) ◽  
pp. 1108-1112
Author(s):  
Fred Turin ◽  
Lisa Steiner ◽  
Kim Cornelius
Keyword(s):  
Underground Mining ◽  
Mining Machine ◽  
Mining Activities ◽  
Underground Coal Mining ◽  
Safety Issues ◽  
Safe Work ◽  
Mining Conditions ◽  
Continuous Mining ◽  
Machine Operator ◽  
Scenario Approach

NIOSH researchers have been examining underground coal mining activities in order to evaluate work crew hazards. In 1994 a continuous mining machine operator was killed by falling roof during extended cut mining. Many aspects of the incident were used by NIOSH researchers to develop a scenario interview. The goal was to provide a realistic framework for acquiring frank and detailed insights. The interview consists of two sections. The first describes the underground mining conditions. The second recounts the fatal incident. Each section is supplemented by a diagram and a set of questions addressing relevant safety issues. The interview was administered at three mines that actively take extended cuts. Researchers found the scenario approach to be an effective interview tool as well as an effective hazard awareness and safe work practices training platform.

Study of a New Real-Time Monitoring Method on the Underground Mining Activities

2012 ◽  
Vol 229-231 ◽  
pp. 1402-1405
Author(s):  
Xiu Zhi Meng ◽  
Zeng Zhi Zhang ◽  
Zong Sheng Wang
Keyword(s):  
Real Time ◽  
Underground Mining ◽  
Energy Eigenvalue ◽  
Mining Area ◽  
P Wave ◽  
Signal Acquisition ◽  
Mining Activities ◽  
Real Time Monitoring ◽  
P Waves ◽  
Monitoring Method

This paper presents a new real-time monitoring method based on the explosion source location technique on the underground mining activities in the situation the state can not achieve the full uninterrupted supervision because of the backward monitoring tools and equipment. The supervise mode results in some small coal mines in the profit-driven to ultra-layer or cross-border mining which causes a many of safety accidents. The five acceleration vibration sensors buried underground in the mining area pick up blasting vibration waves coming from blasting tunneling. Every signal acquisition sub-station deals with the according sensor output signals by using wavelet transform to identify the P waves and using energy eigenvalue method to determine the arriving time of P wave to the sensor, then translates the sensor’s spatial and temporal parameters to the principal computer. The principal computer locates the explosion source by the Geiger algorithm and displays the explosion source’s spatial message in the mine’s electronic map. The method is feasible and the positioning horizontal error is less than 10m by field-proven.

scholarly journals Shifts of Trigonometric Points in the area affected by Mining Activities / Posuny Trigonometrických Bodů Na Území Ovlivněném Hornickou Činností

2011 ◽  
Vol 57 (3) ◽  
pp. 63-72
Author(s):  
Marek Mikoláš ◽  
Milan Mikoláš ◽  
Petra Zápalková
Keyword(s):  
Underground Mining ◽  
Mining Activities ◽  
Horizontal Shift ◽  
Area Of Interest

Abstract In the underground mining of deposits, except the subsidence of layers also a horizontal shift occurs. The shift of trigonometric points is detected by the renewal of network. Formerly, the new triangulation of the overall area of interest has been carried out and since 1991 with the onset of modern observation techniques the GNSS technology has been used in full, which is not so time-consuming and economically demanding as triangulation works.

A METHOD FOR DETECTING DEW A TERING EFFECTS OF UNDERGROUND MINING ACTIVITIES ON SURF ACE WETLANDS

1999 ◽  
Vol 1999 (1) ◽  
pp. 641-650
Author(s):  
Larry D. Hayden-Wing ◽  
John R. Baldwin ◽  
Kenneth Webber ◽  
Jeffrey B. Winstead
Keyword(s):  
Underground Mining ◽  
Mining Activities

Environmental Impact Evaluation of Underground Mining Activities Using InSAR Technique

2014 ◽  
Vol 1073-1076 ◽  
pp. 1907-1910
Author(s):  
Yao Bin Sheng ◽  
Yan Shen ◽  
Shu Lin Xu
Keyword(s):  
Environmental Impact ◽  
Underground Mining ◽  
Acquisition Time ◽  
Time Interval ◽  
Mining Activities ◽  
Underground Coal Mining ◽  
Alos Palsar ◽  
Chongqing Municipality ◽  
Image Acquisition Time ◽  
Maximum Subsidence

This papers deals with the study of environmental impact assessment of underground coal mining activities. InSAR technique was utilized in this paper to monitor the mine subsidence caused by underground mine extractions. The study area is in Chongqing municipality in west of China, and the studied coal mine has been founded for more than 80 years. Two ALOS PALSAR images were used in this study; the time interval of two image acquisition time is approximately two years and one month. The underground mining-induced subsidence could be easily identified from the unwrapped interferogram, and the maximum subsidence value was around 32.8 centimeters.

scholarly journals Evaluation on the Growth of Reforestation Plants at the Compensated Land for Gold Mining of Natarang Mining Ltd.

2018 ◽  
Vol 6 (2) ◽  
pp. 41
Author(s):  
Julian Agung Pratomo ◽  
Irwan Sukri Banuwa ◽  
Slamet Budi Yuwono
Keyword(s):  
Plant Growth ◽  
Gold Mining ◽  
Forest Area ◽  
Mining Activities ◽  
Swietenia Macrophylla ◽  
Is Success ◽  
Sampling Intensity ◽  
The Status ◽  
Success Evaluation ◽  
The Government

Reforestation activities have been conducted by Natarang Mining Ltd. as obligation under a concessionary agreement with the government for mining activities. The research aimed to evaluate the success of reforestastion plants. This assessment focus on aspects of vegetation in order to know the extent to which the success of reforestation plants can fulfill the function of a forest area. The result were analyzed by descriptive and scoring using 25 m x 40 m plots. Total plot of 41 plots with a sampling intensity of 5%. The results showed that plant growth has been good with a diameter of 5-15 cm and height between 4-8 m. The number of plants reached 763/ha and the planting area reached 92.38. Percentage of plant growth for four of five types of reforestation plants also achieve >80%. The growth percentage of Mahoni (Swietenia macrophylla) reached 66.43% with healthy plants percentage of 71.49%. The status of reforestastion activities is success. Evaluation of reforestation success by scoring showed the total value of 82.93 which can be categorized as good accomplishment. Keywords: compensated land, Natarang Mining Ltd, reforestation.

scholarly journals Monitoring and Analysis of Surface Changes from Undermining / Monitoring a Analýza Povrchových Projevů Poddolování

2013 ◽  
Vol 59 (4) ◽  
pp. 1-10 ◽  
Author(s):  
Vlastimil Kajzar ◽  
Hana Doležalová
Keyword(s):  
Information Technologies ◽  
Spatial Information ◽  
Comprehensive Evaluation ◽  
Underground Mining ◽  
Mineral Deposits ◽  
Actual State ◽  
Mining Activities ◽  
New Approaches ◽  
Surface Changes

Abstract It is well known that the exploitation of mineral deposits negatively affects the environment. In the case of underground mining, there are usually the most serious effects which are associated with mining activities: movements and surface deformations lead to the creation of subsidence depressions. The determination of the actual state of surface changes by conventional surveying methods is technically exacting, time-consuming and very expensive. With the development of geo-information technologies, new approaches arise and they can be applied to resolving this issue. These resources seem to be suitable not only for providing the necessary spatial information on ongoing processes, but also for their subsequent processing and comprehensive evaluation. The presented paper deals with the possibilities of applying geo-information technologies for monitoring and evaluating the effects of underground mining on surface, summarizes the actual state of this research at ICT, and offers alternatives for their use in the future

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