Contamination By Particulated Material In
Blasts: Analysis, Application And Adaptation Of
The Existent Calculation Formulas And Software
Author(s)
J. Toraño, R. Rodríguez, I. Diego & A. Pelegry
Abstract
In the setting of a research project about the blasting negative effects granted
with public funds coming from the Spanish Ministry for Development, several
measurement campaigns were developed, in various locations and situations,
where earth vibrations, aerial waves and dust in suspension simultaneously
measured. Taking into account the dust negative effects (for human health,
inhabited environment or plants) it is interesting to have available tools that
allow the estimation of the particulated material quantities ejected in a blast
(already studied by our research team in other cases). Here we show the
application of the standardised computational methods for atmospheric
contamination (developed for other applications) in the specific case of blasting
in mining and civil works. To do so we have used the field data collected in
blasts at a maritime port and at a limestone quarry. We will also show the
advantages of using CFD when solving some of these problems, which is being
studied in other research projects.
Keywords: particulated material, blast, atmospheric contamination, dust.
1 Dust generation in a blast
One of the main particle sources of the atmospheric contamination are the
industrial activities. From their size and nature we can infer the affections that
dust can induce in human beings. According to dust size we can categorize it in
three groups: breathable dust (particles so small that go directly to lungs),
inhaled dust (one part is retained by the upper part of the human breathing
system, whit diameters around 10 µm) and total dust. Up to recent dates it was
thought that the harmful action of those particles in people was limited to
Keywords
particulated material, blast, atmospheric contamination, dust.
Related Book
Other papers in this volume
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