Integration of the GNSS method and borehole camera to model the resulting spherical cavity generated by the main charge blast in clay

Težak, Denis; Kranjčić, Nikola; Đurin, Bojan; Juras, Mihaela

doi:10.19111/bulletinofmre.726391

Cited by 1 publication

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“…Experimental blasting has determined the effective ranges of explosive charge masses of Permonex V19 and Pakaex which achieved spherical expansion in clay soil. It has been found that spherical expansion for a given borehole diameter of 131 mm and a borehole depth of 2.00-3.00 m can be achieved by explosive charge of Permonex V19 and Pakaex, ranging from 0.2 to 1.6 kg [2,5]. The most significant result was certainly the determination of the volume of the resulting expansions in the clay soil during the blasting of a series of boreholes placed on a certain profile (Figure 2).…”

Section: Introductionmentioning

confidence: 99%

“…The most significant result was certainly the determination of the volume of the resulting expansions in the clay soil during the blasting of a series of boreholes placed on a certain profile (Figure 2). To calculate the resulting expansion volume, the application "Bušotine" was designed [2,5]. In addition to the application calculating the resulting expansion, it draws 2D and 3D models of it (Figure 3).…”

Section: Introductionmentioning

confidence: 99%

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Influence of Meteorological Parameters on Explosive Charge and Stemming Length Predictions in Clay Soil during Blasting Using Artificial Neural Networks

et al. 2021

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The influence of the meteorological parameters (precipitation and air temperature) during blasting in clay has a direct impact on the success of blasting. In the case of large amounts of precipitation (rain and snow) recorded in the subject area, blasting in clays cannot be carried out due to the grain of the clay and the inability to access the subject area. Moreover, the air temperature in the subject area affects the blasting performance. The most ideal temperature for blasting in clays is between 15 and 25 °C because then the clay has the best geotechnical characteristics. The research was conducted on the exploitation field Cukavec II, which is located near the city of Varaždin in the Republic of Croatia. Amount of precipitation and air temperature were considered to obtain the best blasting effect. Influence of meteorological parameters on the amount of the explosive charge and stemming length when blasting in clays was demonstrated via models based on Artificial Neural Networks (ANN). The ANN model network consists of a Long Short-term Memory (LSTM) part to process time dependent meteorological data, and fully connected layers to process blasting input data. Two types of explosive charges were compared, Pakaex and Permonex V19.

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Section: Introductionmentioning

confidence: 99%

Section: Introductionmentioning

confidence: 99%

Influence of Meteorological Parameters on Explosive Charge and Stemming Length Predictions in Clay Soil during Blasting Using Artificial Neural Networks

et al. 2021

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Integration of the GNSS method and borehole camera to model the resulting spherical cavity generated by the main charge blast in clay

Abstract: Integration of the GNSS method and borehole camera to model the resulting spherical cavity generated by the main charge blast in clay

Cited by 1 publication

References 13 publications

Influence of Meteorological Parameters on Explosive Charge and Stemming Length Predictions in Clay Soil during Blasting Using Artificial Neural Networks

Influence of Meteorological Parameters on Explosive Charge and Stemming Length Predictions in Clay Soil during Blasting Using Artificial Neural Networks

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