Analyzed and Simulated Prediction of Emission Characteristics of Construction Dust Particles under Multiple Pollution Sources
Table 2
Concentrations of dust at different monitoring points of work areas.
Construction periods
Dust monitoring points
Dust types
Average concentration (mg/m3)
Scope of excess multiple
Measurement point yield (%)
Variance
Foundation
Foundation excavation area
Silicious dust a
0.988
0.000–0.320
72.000
0.042
Rebar processing area
Silicious dust a
1.103
0.000–0.590
70.000
0.082
Concrete mixing area
Cement dust b
7.392
0.000–3.440
37.000
10.017
Road area
Silicious dust a
4.287
0.000–5.650
13.000
3.391
Structural frame
Floor area
Siliciousdust a
1.148
0.000–0.600
60.000
0.066
Concrete mixing area
Cement dust b
2.093
—
100.000
0.791
Rebar processing area
Silicious dust a
1.374
0.000–0.740
38.000
0.127
Timber formwork area
Timber dust c
8.697
0.000–3.740
12.000
4.855
Road area
Silicious dust a
2.124
0.000–2.200
30.000
0.860
Note. The concentration of silicious dust, cement dust, and timber dust is a, PC-PWA = 1 mg/m3, b, PC-PWA = 4 mg/m3, and c, PC-PWA = 3 mg/m3 [35], respectively.
