Discriminant models of blasts and seismic events in mine seismology

Dong, Longjun; Wesseloo, Johan; Potvin, Yves; Li, Xibing

doi:10.1016/j.ijrmms.2016.04.021

Cited by 145 publications

(56 citation statements)

References 24 publications

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“…Deep mining faces the problem of high in situ stress, in order to maintain the stability of surrounding rock of roadway and working face, drilling and blasting technology is needed for pressure relief [3,4]. Blasting will lead to the occurrence of large microseismic events, so the energy accumulated in the rock mass can be released [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Application and Development of an Environmentally Friendly Blast Hole Plug for Underground Coal Mines

Yang

Zhao

Ning

et al. 2018

Shock and Vibration

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Drilling and blasting technology is one of the main methods for pressure relief in deep mining. The traditional method for blasting hole blockage with clay stemming has many problems, which include a large volume of transportation, excess loading time, and high labor intensity. An environmentally friendly blast hole plug was designed and developed. This method is cheap, closely blocks the hole, is quickly loaded, and is convenient for transportation. The impact test on the plug was carried out using an improved split Hopkinson pressure bar test system, and the industrial test was carried out in underground tunnel of coal mine. The tests results showed that, compared with clay stemming, the new method proposed in this paper could prolong the action time of the detonation gas, prevent premature detonation gas emissions, reduce the unit consumption of explosives, improve the utilization ratio, reduce the labor intensity of workers, and improve the effect of rock blasting with low cost of rock breaking.

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Section: Introductionmentioning

confidence: 99%

Application and Development of an Environmentally Friendly Blast Hole Plug for Underground Coal Mines

Yang

Zhao

Ning

et al. 2018

Shock and Vibration

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“…Many researchers have made great efforts to theoretically understand the propagation characteristics of such vibrations [2][3][4][5][6][7][8][9][10][11][12][13][14][15][16]. Based on the dimensional analysis of variables related to the blasting phenomenon, they presented that the vibration velocity of the ground, which is a measure of the damage 2 Shock and Vibration of the surface structure, can be represented in an empirical relationship by using the maximum charge per delay and the distance from the explosives as parameters.…”

Section: Introductionmentioning

confidence: 99%

Full‐Scale Tests for Assessing Blasting‐Induced Vibration and Noise

Lee

Kim²,

Kang

2018

Shock and Vibration

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Vibration and noise problems caused by a number of construction processes, specifically blasting for infrastructure development, are becoming important because of their civil appeal. In this study, a square root equation (SRE) with a 95% confidence level was proposed for predicting blasting-induced vibration through full-scale test blasting, and the vibration value predicted from this equation was located between the values predicted from the USBM (US Department of Interior, Bureau of Mines), NOF (Nippon Oil & Fats Co., Ltd.), and MCT (Ministry of Construction and Transportation) equations. Additionally, by comparing the measured noise level at full-scale test blasting with the calculated noise levels from several noise prediction equations, it was determined that the noise level predicted by the ONECRC equation had the best agreement with the measured results. However, in cases where blasting includes tunnel excavation, simultaneous measurement of vibration and noise is required to prevent damage to the surrounding facilities.

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“…The mining industry develops rapidly in the countries like South Africa, Australia, Canada, Poland, and China. With the large land area and relatively small population, it is viable to carry out the open pit mining in Australia and Canada, where little underground goafs are distributed [1][2][3][4]. Compared to these countries, a large number of underground goafs formed in the process of mining in China, especially in the underground mines using open stope mining methods [5][6][7].…”

Section: Introductionmentioning

confidence: 99%

Quantitative Evaluation and Case Study of Risk Degree for Underground Goafs with Multiple Indexes considering Uncertain Factors in Mines

Dong

Shu

et al. 2017

Geofluids

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The accidents caused by underground goafs are frequent and destructive due to irregular geometric shapes and complex spatial distributions, which caused severe damage to the environment and public health. Based on the theories of uncertainty measurement evaluation (WME) and analytic hierarchy process (AHP), the comprehensive risk evaluation of underground goafs was carried out using multiple indexes. Considering the hydrogeological conditions, mining status, and engineering parameters of underground goafs, the evaluation index system was established to evaluate the risk degrees considering quantified uncertain factors. The single index measurement values were solved by the semiridge measurement function. The weights for evaluation vectors were calculated through the entropy theory and AHP. Finally, the risk level was evaluated according to the credible degree recognition criterion (CDRC) and the maximum membership principle. The risk levels of 37 underground goafs in Dabaoshan mine were evaluated using 4 coupled methods. The order for underground goafs risk degrees was ranked and classified on account of the uncertainty important degree. According to the ranked order, the reasonability of 4 coupled methods was evaluated quantitatively. Results show that the UME-CDRC can be applied in the practical engineering, which provides an efficient guidance to both reduce the accident risk and improve the mining environment.

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Discriminant models of blasts and seismic events in mine seismology

Cited by 145 publications

References 24 publications

Application and Development of an Environmentally Friendly Blast Hole Plug for Underground Coal Mines

Application and Development of an Environmentally Friendly Blast Hole Plug for Underground Coal Mines

Full‐Scale Tests for Assessing Blasting‐Induced Vibration and Noise

Quantitative Evaluation and Case Study of Risk Degree for Underground Goafs with Multiple Indexes considering Uncertain Factors in Mines

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