Evaluation of blast efficiency in quarrying of aggregate stones is one of the most important decisions that should be made by quarry operators for productivity assessment. The regulatory authorities also evaluate blast efficiency for environmental safety compliance. In carrying out this task, there is usually a conflict of interests …Web

Background and objectives The prevalence of occupational injuries among blue-collar workers is higher in the stone-crushing industries due to high-risk and iterant nature of the work. These occupational injuries, in turn, caused workers' ill health, as well as death, which eventually diminish the gross domestic product. We aimed at assessing the …Web

6 SADIK GIZAW st. mary's university,2019(ASSEMENT OF ENVIRONMENTAL AND SOCIO OF QUARRYING AND STONE CRUSHING :THE CASE OF ETHIOPIANS CONSTRUCTION WORKS CORPORATION). According to the survey done by sadik gizaw in Ethiopian construction company which is a giant construction company working on …Web

There are 239 stone mining and 982 stone crushing centres as per the tally of 2017, ... Different effects of stone mining and crushing on environment and human health is well-discussed in public and private levels. Noise effect of stone crushing on people is not untold but less explored. ... S., & Mandal, I. (2019b). Impacts of stone …Web

there is a lack of environmental governance in both the quarries and the crushers which has resulted in considerable degradation of the environment surrounding the locations where stone crushing ...Web

This research was conducted to examine the potential of basaltic crusher dust as a partial replacement for Portland Pozzolana cement in hollow concrete block (HCB) production. Quarry dust is one of the waste materials abundantly available and pozzolanic material in the quarry industry. In doing so, physical tests of cement pastes and hollow …Web

The stone crusher dust is not only a nuisance (in terms of deposition on surfaces) and possible effects on health, in particular, for those with respiratory problems, but dust can also have physical effects on the surrounding plants, such as blocking and damaging their internal structures and abrasion of leaves and cuticles, as well as …Web

This major impact is accompanied by loss of habitat, noise, dust, blasting effects, erosion, sedimentation, and changes to the visual scene. Mining aggregate can lead to serious environmental impacts. Societal pressures can exacerbate the environmental impacts of aggregate development. In areas of high population density, resource availability ...Web

The present study has tried to develop ecological insecurity model (EIM) in the growing stone quarrying and crushing dominated areas using robust machine learning techniques and attempted to link it with ecosystem service value (ESV). Satellite image-based landscape metrics have been used for developing machine learning-oriented EIM, …Web

One study has shown that the ambient air content of respirable dust is higher than the legal limit at locations as far as 500 m from a stone crushing site. 10 The families of many miners live close to the mines, and are thereby exposed to additional sources of silica-laden dust. 13 There are no dust-suppressing controls at work sites in India. 13Web

All over the world there is a realization that quarrying activities has evolved over time to mining industry that has the potential to provide hither to unparalleled services to management in their efforts to reduce effects of quarrying risks to the human being and the surroundings. ... findings indicated that the major socio-environmental ...Web

The present investigation focuses on the development of metal casting mold using stone-dust as an alternative mold material to silica sand. The stone-dust aggregate mold having 4 wt.% of moisture ...Web

A. To examines Environmental Effect of stone crusher industry on near River Bed. B. To identify the problems in Stone Crusher Industry on near River Bed. III. STUDY AREA …Web

The spike in unemployment and elevated levels of poverty have given rise to stone crushing as a profession. Artisanal stone crushing is a thriving economic activity especially in peri-urban areas ...Web

Quarrying and crushing activities are habitually causing air pollution, water contamination, sound pollution, loss of agricultural land, land degradation, waste run-offs, etc. Jaflong, a …Web

Results. Stone quarry workers who work between 1‐100 m and beyond 100 m from the crusher with the required PPE were 90% and 87% respectively less likely to report eye irritation compared with their counterparts who work between 1 and 100 m from the crusher without the required PPE.Web

crushing process such as production of dust emissions and noise pollution; on the socio-economical and biophysical environment such as the degradation of air quality by the dust emitted during the site clearing, effects of air pollution, risk of excess soil being eroded from the site where stones are manually extracted, Loss of habitat forWeb

The stone crusher dust is not only a nuisance (in terms of deposition on surfaces) and possible effects on health, in particular, for those with respiratory problems, but dust can …Web

There is very little public data available on levels of pollution in Pakistan or on the exact effect that the industry is having on the environment and communities in the surrounding area. For this reason, recent statistics on the prevalence of fine particles near stone-crushing sites is difficult to come by.Web

The mean minimum and maximum values of SPM at crushing and residential sites were recorded of 1045.49µm/m 3, 1268.6µm/m 3 and 545.86 µm/m, 617.2 µm/m 3 respectively. PresentWeb

Most environmental impacts associated with aggregate mining are benign. Extracting aggregate seldom produces acidic mine drainage or other toxic affects commonly …Web

To assess various environmental impacts of stone crushing and quarrying units functioning in the study area an extensive field survey was undertaken from April 2019 to September 2019 and it was observed that. 1. Most of the stone crushing units functioning in the area are located on the bank of Mendhar river and Salgad nallah. 2.Web

Many studies have demonstrated that this industry has attracted the attention of many researchers and executives due to its high energy consumption, harmful environmental effects, and global ...Web

Recycled concrete aggregate, waste rock, crushed stone aggregate, reclaimed asphalt pavement, crushed clay brick, fine recycled glass, and gravel are some of the things that are left behind when concrete buildings are torn down. These things are a big problem for many countries around the world. More and more people want to find smart …Web

Stone crushing industry is a dominant but still environmentally unorganized sector in Pakistan. Its different operations cause significant environmental impacts including air and noise pollution in,Impacts of Stone Mining and Crushing on Stream Characters · Dwarka River basin (3882.71 km2) of Eastern India in the Chotonagpur Plateau and Gangetic …Web

Over the last few decades, the demand for energy-efficient mineral-processing methods has continued. The necessity to develop energy-efficient technologies for the mineral industry will increase in the future, considering the exhaustion of high-quality resources and severe environmental limitations. The subject of this study is crushing …Web

Presently there are around 22 stone crushing plants in operation scattered all over the island. The average tonnage of raw materials crushed daily accounts for 21,550 tons. In addition, there are around 900 workers directly employed by the 22 stone crushing plants. ... an assessment of the inevitable adverse environmental effects that the ...Web

Abstract and Figures. Stone crushing and quarrying activities have a significant impact on both human health and environmental quality. The current study was carried out to evaluate the ...Web

Stone crushing and quarrying activities have a significant impact on both human health and environmental quality. The current study was carried out to evaluate the environmental …Web