炸药最大瞬时装药对爆破环境影响的影响

IF 0.7 Q4 GREEN & SUSTAINABLE SCIENCE & TECHNOLOGY Journal of Sustainable Mining Pub Date : 2023-10-30 DOI:10.46873/2300-3960.1398
Olukemi Yetunde Odeyemi, Blessing Olamide Taiwo, Olarewaju Alaba
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引用次数: 0

摘要

我们的研究着眼于在尼日利亚卡拉巴石灰石采石场爆破作业中炸药最大瞬时装药对地面振动和噪音水平的影响。在一年的时间里,在采石场进行的所有爆破作业中,使用了振动块(V9000)地震仪来读取与地面振动和噪音有关的读数。结果表明,爆破过程中地面平均振动读数在0.25mm/s ~ 3.6mm/s之间,平均噪声分贝在35 ~ 158 dB之间。本文建立了一种人工神经网络(ANN)模型来预测爆破引起的地面振动和噪声水平。将所提出的人工神经网络模型与已有的经验模型进行比较,发现其预测精度最高。结果表明,随着炸药最大瞬时装药量的增加,爆破过程中产生的噪声和地面振动均有所增加。此外,测量设备与爆炸现场的距离也与产生的噪声和地面振动呈负相关。
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Influence of explosive maximum instantaneous charge on blasting environmental impact
Our research looked at the effect of explosive maximum instantaneous charge on ground vibrations and noise levels during blasting operations at the Calaba limestone quarry in Nigeria. Vibrock (V9000) seismograph was used to take readings related to ground vibrations and noise generated during all blasting operations that took place in the quarry for a period of one year. The results obtained indicate that the average ground vibration readings fall between 0.25mm/s to 3.6mm/s and the average noise decibel generated during the blasting operations between 35 to 158 dB. An artificial neural network (ANN) model is developed in this study for the prediction of blast-induced ground vibration and noise level. The proposed ANN model was compared with existing empirical models and was found to give the highest prediction accuracy. It was revealed that both noises generated and ground vibrations during all blasting operations increase with an increase in explosive maximum instantaneous charge. Additionally, the measuring equipment distance from the blast site was also revealed to have a negative correlation with noise generated and ground vibrations.
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来源期刊
Journal of Sustainable Mining
Journal of Sustainable Mining Earth and Planetary Sciences-Geology
CiteScore
1.50
自引率
10.00%
发文量
20
审稿时长
16 weeks
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