Blast vibration monitoring and control

Author: rrea

August undefined, 2024

WebJun 11, 2024 · Blasting is currently the most important method for rock fragmentation in metal mines. However, blast-induced ground vibration causes many negative effects, including great damage to surrounding rock masses and projects and even casualties in severe cases. Therefore, prediction of the peak particle velocity (PPV) caused by … WebMar 25, 2024 · According to the blast vibration monitoring test, the duration of the blast vibration measured at monitoring point #4 in the office building is 7.658 s, and the …

Modern blast vibration monitoring, modeling and frequency …

WebDec 11, 2024 · Blast vibration monitoring and control by C. H. Dowding, 1985, Prentice-Hall edition, in English Web2.1 Blast vibration modelling Models can be developed to predict vibration, and refined over time as new data comes to hand and as pit conditions change. Figure 1 shows an … elin cullhed eufori recension

Blasting vibration response and safety control of mountain tunnel

WebJan 11, 2024 · The aim of this study is to create alternative approaches to predict human response to ground vibration. Site measurements were conducted in an urban quarry. The multiple discriminant analysis technique was used to develop classification models. The measured ground vibration values were grouped based on the limit values appearing in … WebJan 1, 2015 · This paper presents blast induced vibration analysis on blastin g at Ozarslan Quarry located in Vize district in Kırkl areli province in Turk ey. During the study, 13 shots were monitored at WebOct 24, 2024 · Drill and blast is a commonly used method for rock slope excavation in hydropower engineering. During blasting excavation of rock slopes, far-field vibration monitoring on the first upper berm for statutory compliance is usually performed to control the blast-induced rock damage to the final slope face. In this study, for the rock slope … elin cullhed wikipedia

Blast vibration monitoring and control

WebBlasting vibration could cause dynamic instability of rock masses within a critical steady state. To control the blasting vibration, it is necessary to understand the complete … WebThe objective of this research is to gather sufficient elements to implement a vibration monitoring and control program in various companies in the Tecamachalco region, in …

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WebBlast Vibration Monitoring and Control, C.H. Dowding, Prentice Hall, Inc., Englewood Cliffs, NJ, 1985, 297 pp. Translated into Chinese by the Safety and Environmental ... WebAug 29, 2024 · 2.2. PPV Monitoring and Prediction Methods. The vibration monitoring points and blasting area were located at the same elevation. The distances between the monitoring points and blasting area were 50, 100, 150, and 200 m, as shown in Figure 4.A blasting vibration recorder (EXP 3850) and a sensor (CDJ-1) were used to monitor …

WebFeb 10, 2024 · The energy variation of blast vibration waves was analyzed by wavelet packet decomposition. A numerical model was established to verify the new vibration reduction measure. ... C., Li, J. & Bi, K., Preface: Recent Advances on Structural Control, Health Monitoring and Applications in Bridge Engineering, Int. J. Struct. Stab. Dyn., … WebJun 13, 2005 · Developing trends in important aspects of blast and construction vibration monitoring and control are identified through consideration of research and consulting …

WebBlast monitoring services. Terrock is one of the few in the industry to provide an end-to-end process, taking the pressure off companies to compile and analyse the data themselves. Monitoring vibration in sensitive areas and applying control mechanisms to regulate the impact to the surrounding areas is essential in today’s safety focussed ... WebUsing attenuation analysis of different frequency bands of measured acceleration signals, it was found that blast vibration attenuation between 2 m and 4 m depended not only on frequency but also on amplitude. A failure wave was postulated based on observations at the monitoring hole 2 m from the blast. A blast damage zone was evaluated using ...

WebMar 25, 2024 · According to the blast vibration monitoring test, the duration of the blast vibration measured at monitoring point #4 in the office building is 7.658 s, and the measured values of the peak particle vibration velocity for the longitudinal, transverse, and vertical components are 0.261 cm/s, 0.251 cm/s, and 0.271 cm/s (Figures 7B,D,F), …

WebNov 11, 2004 · Blast Design and Optimization Studies Based on Vibration Control for Excavation of Hydropower Stations. It makes a systematic summarization on the key … elin cunninghamWebBlast Vibration Monitoring and Control (1985), Prentice Hall Inc., Saddle River, NJ, 297 pp. Translated into Chinese by the Safety and Environmental Protection Institute, … elin cywWebDec 7, 2024 · Drilling and blasting method as a common excavation method is widely used in the underground engineering construction. However, in the complicated geological conditions, the path of blasting excavation available has limitation, and then the larger blasting vibration is produced, which influence the stability and safety of the protected … footy intl