The aim of this research, conducted with the cooperation of three low-methane underground coal mines, was to gather extensive whole-body vibration data from a range of equipment types (shuttle cars, personnel transport vehicles, and load-haul-dump (LHD) vehicles (Fig. 1, Fig. 2, Fig. 3) during normal mining operations in order to gain …

vicinity of the blasting site. These vibrations may affect the stability of mine slopes, causing problems. in safety and constituting a hazard to life and property. In this study, the effect of ...

By comparison, 28% were suffered by employees in manufacturing and 19% in mining. Some 11% of 2,454 cases of vasoneurosis between 1995 and 2000 occurred in construction, compared to 39% in manufacturing and 37% in mining. Between 2000 and 2003, 1,711 cases of Raynaud's syndrome occurred in the EU, of which 12% affected …

Operators of mining vehicles are exposed to high levels of whole-body vibration (WBV) and are therefore at risk of developing vibration-related health disorders. For implementing an effective control strategy, it is imperative to locate the source(s) of vibration, and the specific changes that might occur to the vibration signals during its …

Whole-body vibration (WBV) exposure measurements taken from 105 truck drivers employed in 19 mines and other workplaces were evaluated with the criteria prescribed in EU 2002/44/EC directive, BS ...

Materials and Methods: Vibration levels of 157 mining equipment including dumpers, dozers, etc. in 10 opencast mines were measured through accelerometer and recorded in vibration analyzer. Root mean square (RMS) values of acceleration as well as vibration dose values along with duration of exposures per day were used to predict health risk in ...

The double vibration motor feeder is a specialized equipment used in industrial settings for conveying bulk materials efficiently. It operates on the principle of utilizing synchronized vibrations generated by two vibration motors to move materials along a trough or conveyor belt. It finds applications across various industries such as mining ...

Deep Excavation & Vibratory Damage in Urban & Congested Areas. There are numerous field conditions where construction activities in an urban setting can potentially damage neighboring structures. Deep excavation and/or construction related vibrations are primary culprits. Careful planning and engineering, pre-construction …

Repeated exposure to high levels of vibration is known to cause injury to workers over time. Based on exactly how these exposures intersect an individual's work environment, they are classified ...

A loss of balance is a common problem in machines used in materials processing. When mass is not consistently distributed throughout the rotating mechanism, the point of greatest mass will vibrate. A sensor array used for machine vibration analysis can quickly detect the distinct, sinusoidal waveform of an unbalanced rotor's vibration.

Through this study, efforts have been made to propose an innovative measure to reduce WBV exposure among HEMM operators, and its effect on workers involved in mining work. The article focuses on the study of vibration control of heavy equipment mining machines (HEMMs), and its effect on workers involved in mining …

But for mine machinery equipment, at present there is no instrument used to acquisition vibration signal, causing that vibration monitoring is difficult to carry out in underground coal mines. Therefore, it is urgent to develop a device to solve the problem that how to get the vibration signal of underground equipment. This paper advances …

Blasting-Related Standards and Studies. By far the most commonly used blasting vibration standard in the U.S. is the U. S. Bureau of Mines, Office of Surface Mining (OSM) standard, [1] shown above. It was developed in the early 1980's to address shortcomings of earlier, less stringent standards suggested by OSM.

Blast-induced ground vibration is one of the most significant challenges in explosive rock fragmentation, affecting mine stability and worker and machine safety. However, limited research has suggested a correlation between slope stability and blast-induced ground vibration. Thus, improving mining sustainability requires assessing …

Vibration produced by the vertical mill not only damages the equipment, but also causes the instability of the table time and affects the output due to frequent roll-up and roll-off. The vibration of the vertical …

Unacceptable shock and vibration levels experienced by equipment during transit can result in equipment damage and failure. Shock and vibration are normal but can get beyond the acceptable levels due to speed, manoeuvres, air turbulence and sea conditions. Whether it's transit through the aircraft, ship, railroad or truck, high levels of ...

Heavy Equipment Much of the heavy equipment used to manufacture steel or to form metal is massive. When this equipment is in operation, heavy impacts in the form of shocks and vibrations are generated. The heavy equipment is often operated 24 hours a day, 7 days a week, and shutdown for repairs results in reduced production and increased cost.

The article focuses on the study of vibration control of heavy equipment mining machines (HEMMs), and its effect on workers involved in mining work. An effort has been made to study whole-body vibration (WBV) in open pit mining based on seat design factors. Mining machinery operators are exposed to WBV.

In the quest to meticulously identify and analyze the vibration characteristics of these substantial machineries, a plethora of methods and technologies have been rigorously explored and implemented. 7,8 For example, Cao et al. advanced a novel methodology for rotating machinery health state identification, leveraging multi …

Based on the MFMS, the weak excitation direction and the weak joint-DOF causing the TCP vibration are analyzed. Some conclusions are summarized as follows. On the premise of satisfying the R 2 -based compliance identification criterion proposed in this paper, the vibration of the robot body can be mapped to the joints, and further, the …

Mining equipment was associated with over 85% of the injuries with respect to both mine type and injury severity. Thus, the involvement of equipment/machinery should receive special attention. ... In addition, additional state-of-the-art controls including devices that sense human presence causing workers to stay in a safe buffer zone while ...

In the industrial context, heavy equipment such as bulldozers, scrapers, shovels, haulage trucks, loaders, load haul dump vehicles and most earthmoving equipment are considered major vibration sources (Burgess-Limerick and Lynas, 2016). This is due to the engine's vibration or to the surface on which the vehicle moves.

In a laboratory-based study with a repeated-measures design, we played actual field-measured floor vibration profiles into a 6-degree-of-freedom motion platform to create different realistic WBV exposures: 1) vertical-dominant vibration collected from long-haul trucks, 2) multi-axial vibration collected from mining heavy equipment vehicles, …

As a typical vibrating device of mining machinery and equipment, the vibration of the mining vibrating screen will inevitably pass through the resonance zone during the startup and shutdown phases of its working state, which will greatly increase the amplitude of the vibrating screen during the startup and shutdown phases, causing …

Mining activities and civil projects are carried out using one of the most important operations, namely rock blasting, as a wide and economical way to rock breakage and displacement of them 1.In ...

1. Introduction. Vibration of equipment has been a severe problem in Hydro Power Stations (HPS) from the very beginning of power generation. Failure of the equipment due to vibration causes shut down, or sometimes, even a disaster in hydro power station (HPS) [1], [2].VCM has to be done to examine the performance of such …

mining industry throughout the world, the adverse health effects of exposure to noise and vibration are a seri-ous problem.2,3 Noise induced hearing loss (NIHL) in the South African mining industry was documented in the medical literature in 1987. 4 It remains a problem and, in 2004, 5629 cases of NIHL were each paid, on aver-

Mining Science. (previously Prace Naukowe I nstytutu Gornictwa. Politechniki Wroclawskiej, ISSN 0370-0798 in polish) ISSN 2300-9586. previously 0370- 0798. Received ...

Rock or coal mass is suddenly ruptured under certain conditions, causing the energy to be released suddenly and showing obvious dynamic effects such as sound, vibration, or air waves. These dynamic disasters often result in casualties and serious damage to equipment properties. We summarize the typical dynamic disaster accidents …

The equipment used for the standardized testing of HAVS was purchased from the Institute of Sound and Vibration Research at the University of Southampton in the UK. Participants were randomly selected from a list of all mineworkers from a single South African gold-mine (employing ∼19 000 mineworkers) who returned from annual leave …