Analysis of parameters of ground vibration produced from bench blasting at a limestone quarry

Kahriman, Ali

doi:10.1016/j.soildyn.2004.06.018

Cited by 76 publications

(27 citation statements)

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“…-Ground vibration Scaled distance equation widely suggested for cylindrical charges was used for prediction of peak particle velocity (Kahriman, 2004;Erarslan et al, 2008). The general form of this equation is given below:…”

Section: • Output Parametersmentioning

confidence: 99%

Evaluation of Blasting Patterns Using Operational Research Models / Ocena Planów Prac Strzałowych W Oparciu O Metody Badań Operacyjnych

Monjezi¹,

Farzaneh²,

Asadi³

2013

Archives of Mining Sciences

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OCENA PLANÓW PRAC STRZAŁOWYCH W OPARCIU O METODY BADAŃ OPERACYJNYCHBlasting is one of the most important operations, which has a great technical and economical effect on the mining projects. Criteria such as fragmentation (operation ultimate objective) and ground vibration, flyrock, airblast, etc. (operation side effects) should be considered in the assessment of blasting operation. A suitable pattern should be able to provide both reasonable (required) fragmentation and blasting side effects. In order to evaluate blasting performance, operational research models such as multi attribute decision making technique (MADM) can be applied. Technique for order preference by similarity to an ideal solution (TOPSIS), a branch of MADM, is a strong method for pattern ranking. The other quantitative method which is applied in the evaluation of systems' efficiency is data envelopment analysis (DEA) model. In this paper, an attempt has been made to develop a new hybrid MADM model for selecting the most appropriate blasting pattern in Chadormalu iron mine, Iran. In this regard, DEA method was utilized to select the efficient blast patterns thereafter TOPSIS was used to recognize the most suitable pattern amongst the selected patterns by DEA method. It was concluded that the patterns J, G and B are the most appropriate patterns for blasting operations in the Chadormalu iron mine.Keywords: fragmentation, ground vibration, flyrock, airblast, TOPSIS, DEA Prace strzałowe to jedne z kluczowych operacji w znacznym stopniu determinujące efektywność ekonomiczną wielu projektów górniczych. W planowaniu prac strzałowych uwzględnić należy podstawowe kryteria, takie jak rozdrobnienie skał (ostateczny cel operacji), wibracje podłoża, występowanie rozrzutu skał, i podmuchów powietrza (efekty uboczne). Odpowiedni harmonogram prac zapewnić powinien zarówno odpowiedni poziom rozdrobnienia (wymiary brył) jak i ograniczenie skutków ubocznych prac. Dla oceny skuteczności prac strzałowych zastosować można modele badań operacyjnych, np. modele oparte o wielokryterialną technikę decyzyjną MADM, a technika ustalania kolejności preferowanych rozwiązań oparta o podobieństwo do rozwiązania idealnego (TOPSIS), wywodząca się z MADM, jest skuteczną metodą ustalania rankingu wzorców. Inną metodą ilościową stosowaną do oceny efektywności systemów jest metoda analizy danych DEA. W niniejszym artykule dokonano próby opracowania hybrydowego modelu MADM do wyboru najbardziej korzystnego planu prac strzałowych w kopalni rud żelaza Chadormalu, w Iranie. W ramach badań wykorzystano metodę DEA do wyboru skutecznego planu IntroductionIn the mining activities the prime aim of blasting operation is rock fragmentation that is necessary for subsequent processes such as transportation, crushing, etc. hence, achieving a higher efficiency (Bozich, 1998;Chakraborty, 2004;Latham et al., 2006;Mario & Ficarazzo, 2006;Ozkahraman, 2006;Shim et al., 2009) As a matter of fact, the explosive energy is not fully utilized for rock breakage and only 20-30% of the energy is practically...

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Section: • Output Parametersmentioning

confidence: 99%

Evaluation of Blasting Patterns Using Operational Research Models / Ocena Planów Prac Strzałowych W Oparciu O Metody Badań Operacyjnych

Monjezi¹,

Farzaneh²,

Asadi³

2013

Archives of Mining Sciences

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“…They proposed that any linear dimension should scale with the nth root of the distance (D) divided by the charge weight (Q) (Pal Roy, 2005). Square root scaling (USBM equation) that was suggested by Duvall and Fogelson is the general formula used in most regulations and general blasting situations, where the charge can be considered linear (Kahriman, 2004;Khandelwal and Singh, 2007;Sivarajan et al, 2007).…”

Section: Scaled Distance and Ground Vibration Common Formulamentioning

confidence: 99%

Control negative effects of blasting waves on concrete of the structures by analyzing of parameters of ground vibration

Nateghi¹,

Kiany

Gholipouri³

2009

Tunnelling and Underground Space Technology

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“…The burden of blast holes can have a significant influence on vibration levels: too much burden may increase ground vibration levels, too little burden in front row holes may result in flyrock and will increase air vibration levels. Moreover, when each hole is fired at a different time and from a different location, the resulting wave front could result strongly reinforced when the delay pattern is inappropriate, [14][15][16]. In order to provide appropriate sampling campaigns many guidelines define operational codes and practises.…”

Section: Introductionmentioning

confidence: 99%

Detecting seismic waves induced by blast operations at a limestone quarry by means of different transducer mounting

Coltrinari¹

2016

Int. J. SDP

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The use of explosives to fragment the rock is very widespread in quarrying activities. This technology produces significant environmental impacts due to ground vibrations generated by blasting operations. In order to characterize this phenomenon, accurate measurements of seismic waves are required and one of the most critical aspects in field tests is represented by the coupling method between the transducers and the soil. This phenomenon may generate the distortion of the recorded waveform thus affecting the affordability of the sample itself. Moreover, the decoupling assumes a growing importance in those sites where the rock is not outcropping and the transducer is buried. For this purpose, different methods are tested in an opencast limestone quarry in the centre of Italy. Firstly, ground vibrations in terms of peak particle velocity (PPV) were recorded according with the method suggested in UNI 9,916 and consisting in burying the detectors into the soil at a suitable depth. Secondly, the same parameters were recorded by means of transducers fixed to the ground with some sand bags thus maintaining the proper adherence. Finally, the data obtained through these two different methods are compared and discussed.

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Analysis of parameters of ground vibration produced from bench blasting at a limestone quarry

Cited by 76 publications

References 1 publication

Evaluation of Blasting Patterns Using Operational Research Models / Ocena Planów Prac Strzałowych W Oparciu O Metody Badań Operacyjnych

Evaluation of Blasting Patterns Using Operational Research Models / Ocena Planów Prac Strzałowych W Oparciu O Metody Badań Operacyjnych

Control negative effects of blasting waves on concrete of the structures by analyzing of parameters of ground vibration

Detecting seismic waves induced by blast operations at a limestone quarry by means of different transducer mounting

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