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Investigation of air pollution with fine dust during repair and construction
work inside premises
To cite this article: Alexandr Evtushenko et al 2021 IOP Conf. Ser.: Earth Environ. Sci. 937 022082
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AFE 2021
IOP Conf. Series: Earth and Environmental Science 937 (2021) 022082
IOP Publishing
doi:10.1088/1755-1315/937/2/022082
1
Investigation of air pollution with fine dust during repair and
construction work inside premises
Alexandr Evtushenko1*, Vladislav Lupinogin2, Ekaterina Kaluzgina2, Alexandra
Strelyaeva2, and Anastasia Sakharova2
1Don State Technical University, 1, Gagarin sq., Rostov-on-Don, 344002, Russia
2Volgograd State Technical University, 1, Akademicheskaya st., Volgograd, 400005,
Russia
E-mail: a.evtushenko@mail.ru
Abstract. A study of the dispersed composition of dust for various types of repair in
warehouses has been carried out. The data on the concentration of dust emissions inside the
premises were obtained. The dependence of the dust concentration on the distance from the
place of work, the size of the emitted particles, the area of the room and the time spent on the
work is built. An assessment is given of the impact of reconstruction work in warehouses on
environmental pollution by dust emissions. The concentration and ratio of PM2.5 to PM10
particles were calculated to determine dustiness and negative impact on the environment.
1. Introduction
Warehouses have become very popular lately. Their purpose increases their role for the infrastructure
of enterprises and consists in the receipt, unloading, placement and storage of incoming goods, as well
as preparing them for transportation and dispatch to the consumer. It is important that the warehouse
space meets all the requirements and is high-tech and high-quality. In this regard, there is a need for
reconstruction, which makes it possible to modernize the scheme of its operation, to make the
warehouse more economical, equipped with auxiliary equipment.
Reconstruction, repair of buildings and structures refers to a special type of construction work and
organizational and technical measures related to changes in the main technical and economic
indicators, carried out in order to improve the comfort and quality of service, increase the volume of
services, etc.
However, such works as repair and construction are associated with the release of a large amount
of dust. Dust generated mechanically is characterized by varying degrees of dispersion. At the same
time, dusty air contains suspended particles mainly with the size of PM10 (less than 10 microns) and
PM2.5 (less than 2.5 microns) [1-3].
Therefore, to assess the degree of exposure to fine dust during repair and construction work, studies
were carried out to determine the dispersed composition of dust in the air of the working area, and the
concentrations and ratios of PM2.5 to PM10 [4-7] particles were also calculated. Since there have
been many studies of the effect of fine dust on the environment and on human health, measurements
were made to determine the dispersed composition of dust for the presence of PM10 and PM2.5 dust
particles when performing such works as: cleaning walls; chipping; leveling the walls after plastering.
AFE 2021
IOP Conf. Series: Earth and Environmental Science 937 (2021) 022082
IOP Publishing
doi:10.1088/1755-1315/937/2/022082
2
Since these works are the main stages of repair and construction work, they are accompanied by the
formation of a large amount of dust.
2. Results
The object of the study was a warehouse complex in the Moscow region in the Lyubertsy district in
the working village of Tomilino, as a zone with a large number of existing and under construction
warehouse premises. (Figure 1.) During the reconstruction work, cement dust was emitted as one of
the parts of the concrete cover of the warehouse. Sampling, measurements and data processing were
carried out in accordance with GOST R 56929-2016.
The results of the study in the form of integral functions of the distribution of the mass of particles
by diameter in a log-normal grid are shown in Figure 1. As can be seen from the figure, the content of
dust particles with a size of PM10 and PM2.5 is 15% and 0.2%, respectively, when cleaning the walls;
with slitting - 32% and 0.5%; when leveling the walls after plastering - 80% and 12% of the total mass
of dust (Figure 2.). Based on the data obtained, we can distinguish these operations mainly with a large
release of small dust particles, and subject them to a more detailed study.
Figure 1. Integral functions of particle mass distribution by diameter for
dust generated during construction and finishing works: 1 - wall cleaning; 2 -
slitting; 3 - leveling the walls after plastering.
AFE 2021
IOP Conf. Series: Earth and Environmental Science 937 (2021) 022082
IOP Publishing
doi:10.1088/1755-1315/937/2/022082
3
Figure 2. Concentration of fine particles of dust PM10 and PM2.5,
formed during construction and finishing works: 1 - concentration of
PM10 when cleaning walls; 2 - concentration of PM2.5 when cleaning
walls; 3 - PM10 concentration during slitting; 4 - concentration of
PM2.5 during slitting; 5 - PM10 concentration during leveling after
plastering; 6 - concentration of PM2.5 when leveling after plastering.
The values of the concentrations of fine particles PM10 and PM2.5 obtained in the considered
types of construction and finishing works are presented in Figure 2, as well as a table on the
concentration of dust from each type of work (Table 1).
Table 1. Concentration of PM10 and PM2.5 particles during construction and finishing works.
№
Operation type
Concentration, mg/m3
ratio
PM2,5 к PM10, %
Average
PM2,5
PM10
1
Cleaning the walls
1.72
0.0052
0.2924
0
2
Gutting
1.52
0.0062
0.4464
0.003
3
Leveling the walls after
plastering
1.24
0.023
1.2464
0.006
Other important characteristics of a dusty environment in the air can be considered the indicator of
the concentration of harmful dust in the atmosphere near warehouses during repair and construction
work. The dependences of the concentration C (dp) of dust in the air of the urban environment on the
particle size are shown in Figure 3 and from the time of work in Figure 4. Also, the dependences of the
concentration C (dp) of dust in the air of the urban environment on the area of the room are shown in
Figure 5 and from the distance from the place of repair work are shown in Figure 6.
Figure 3. Dependence of the concentration of dust generated during
construction and finishing work on the particle size: 1 - cleaning the
walls; 2 - slitting; 3 - leveling the walls after plastering.
0
10
20
30
40
50
60
70
80
90
123456
AFE 2021
IOP Conf. Series: Earth and Environmental Science 937 (2021) 022082
IOP Publishing
doi:10.1088/1755-1315/937/2/022082
4
Analysis of Figure 3 showed that with an increase in the particle size, the concentration of dust in
the atmosphere increased, which is associated with the specifics of the operation being performed.
Fine dust was investigated due to its particular harmful effect on human health. The highest
concentration was observed when gouging and leveling the walls after plastering.
Figure 4. Dependence of the concentration of dust generated
during construction and finishing works on the time of the
working process: 1 - cleaning the walls; 2 - slitting; 3 -
leveling the walls after plastering.
Analysis of Figure 4 showed that the increase in dust concentration is influenced by such indicators
as distance, operating time and area of the room, which can be explained by the aggregation of
particles into larger ones. Also, the analysis revealed that the optimal continuous time for the
considered repair and construction work inside the warehouse is recommended no more than 1 hour.
After that, there is a sharp jump in growth, and an increase in dust concentration by 2 times during
continuous operation for 2 hours and, by 3 times during operation - 3 hours and is 8 and 12 mg/m3,
respectively.
Figure 5. Dependence of the concentration of dust generated
during construction and finishing works on the remoteness from
the place of the operation: 1 - cleaning the walls; 2 - slitting; 3 -
leveling the walls after plastering.
The analysis of Figure 5 showed that during repair and construction work indoors, with a distance
from the place of operations, the concentration of dustiness in the premises decreases, which is a
known fact, but within the framework of this study, it is necessary to verify, prove and obtain
concentration values.
AFE 2021
IOP Conf. Series: Earth and Environmental Science 937 (2021) 022082
IOP Publishing
doi:10.1088/1755-1315/937/2/022082
5
Figure 6. Dependence of the concentration of dust generated
during construction and finishing work on the area of the room: 1 -
cleaning the walls; 2 - slitting; 3 - leveling the walls after
plastering.
Analysis of Figure 6 showed that during repairs in a room with a small area, the concentration of
dust particles increases, thus it was found that the flow of dusty gas is evenly distributed throughout
the volume and in rooms with a small area, the concentration of dust particles, including finely
dispersed, reaches dangerous values - 18 mg/m3 when leveling walls after plastering. During the
technological process of slitting inert materials - up to 14 mg/m3, during the technological process of
wall cleaning - up to 8 mg/m3.
3. Conclusion
Studies have shown that a high percentage of fine dust fractions formed during construction and
finishing works at construction industry facilities leads to air pollution. Consequently, it is necessary
to take measures to reduce the level of dust during construction work in the internal volumes of the
premises of the construction industry, as well as to improve the quality of atmospheric air in the urban
environment.
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