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OCR for page 76
76 APPENDIX B Vertical Distributions of Noise Sources for Heavy Trucks Table B1. Vertical distribution of mean one-third octave band and overall A-weighted sound levels for 59 heavy trucks. One Third Octave Band Levels re 20 microPascals at 6m Range Generated by VertScanStatistics_Plotter1.m and includes y offset=.27m Frequency (Hz) Elevation (m) 100 125 169 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 OASPL -3.81 67.15 61.31 65.43 65.34 61.42 59.52 60.26 62.64 59.89 61.03 63.07 60.25 58.90 57.76 56.79 74.12 -3.56 67.22 61.43 65.58 65.54 61.79 60.04 60.78 62.95 60.23 61.16 62.82 60.31 59.18 57.52 56.75 74.28 -3.31 67.30 61.54 65.73 65.75 62.19 60.60 61.35 63.34 60.60 61.30 62.51 60.29 59.43 57.39 56.81 74.45 -3.06 67.38 61.66 65.89 65.97 62.62 61.18 61.97 63.87 60.98 61.44 62.14 60.19 59.65 57.37 56.98 74.66 -2.81 67.46 61.78 66.04 66.20 63.08 61.79 62.65 64.56 61.36 61.58 61.79 59.98 59.79 57.39 57.00 74.89 -2.56 67.53 61.89 66.20 66.45 63.58 62.41 63.39 65.38 61.73 61.72 61.53 59.68 59.73 57.29 56.74 75.15 -2.31 67.61 62.01 66.35 66.71 64.11 63.05 64.20 66.29 62.07 61.87 61.44 59.49 59.60 57.35 56.53 75.46 -2.06 67.69 62.13 66.51 66.98 64.66 63.69 65.08 67.24 62.39 62.09 61.51 59.66 59.50 57.54 56.46 75.84 -1.81 67.76 62.25 66.66 67.26 65.24 64.32 66.06 68.25 62.76 62.49 61.81 60.20 59.21 57.70 56.50 76.28 -1.56 67.83 62.36 66.81 67.55 65.83 64.92 67.15 69.44 63.42 63.19 62.67 60.75 58.96 57.67 56.41 76.84 -1.31 67.90 62.47 66.96 67.85 66.42 65.50 68.33 70.94 64.73 64.12 64.20 61.25 59.26 57.57 56.23 77.60 -1.06 67.96 62.59 67.10 68.14 66.99 66.02 69.58 72.79 66.86 65.15 65.93 62.11 60.09 58.00 55.99 78.61 -0.81 68.02 62.69 67.23 68.43 67.54 66.49 70.84 74.83 69.44 66.32 67.38 63.16 61.00 58.65 56.30 79.83 -0.56 68.07 62.80 67.36 68.70 68.04 66.91 72.04 76.80 71.96 67.90 68.75 63.86 61.41 58.77 56.34 81.16 -0.31 68.11 62.91 67.48 68.95 68.48 67.26 73.08 78.49 74.03 69.78 70.39 64.69 61.90 59.12 56.59 82.47 -0.06 68.14 63.01 67.60 69.17 68.85 67.54 73.89 79.78 75.48 71.29 71.90 66.27 64.21 60.82 57.83 83.59 0.19 68.16 63.11 67.70 69.34 69.12 67.76 74.41 80.57 76.18 71.86 72.44 67.06 65.63 62.23 59.04 84.22 0.44 68.16 63.21 67.79 69.46 69.28 67.89 74.58 80.81 76.04 71.26 71.60 65.92 63.99 60.61 57.64 84.21 0.69 68.15 63.30 67.87 69.52 69.32 67.92 74.34 80.46 74.95 69.69 70.03 64.51 62.50 59.61 57.14 83.68 0.94 68.13 63.39 67.93 69.52 69.24 67.82 73.66 79.46 72.86 68.08 69.17 64.55 62.33 59.60 57.24 82.78 1.19 68.09 63.47 67.98 69.46 69.03 67.55 72.50 77.78 69.93 67.01 68.52 64.13 62.32 59.97 57.30 81.56 1.44 68.03 63.55 68.02 69.33 68.69 67.08 70.89 75.42 67.14 65.57 66.74 62.68 61.32 58.91 56.62 80.05 1.69 67.96 63.62 68.04 69.15 68.24 66.39 68.89 72.46 65.67 63.19 63.76 60.75 60.45 58.07 55.97 78.51 1.94 67.87 63.67 68.04 68.92 67.70 65.50 66.77 69.33 64.60 60.62 60.92 59.41 60.34 57.99 55.32 77.29 2.19 67.76 63.71 68.03 68.67 67.12 64.47 64.96 66.85 62.74 58.97 59.79 58.92 60.25 57.71 55.30 76.47 2.44 67.63 63.73 67.99 68.39 66.53 63.47 63.83 65.51 60.35 58.17 60.20 59.98 60.28 57.19 55.55 76.00 2.69 67.49 63.72 67.93 68.12 66.00 62.72 63.36 64.83 59.04 57.97 61.37 61.03 59.83 57.12 55.63 75.76 2.94 67.34 63.70 67.85 67.85 65.55 62.37 63.32 64.34 59.44 58.76 62.35 61.43 59.45 57.25 56.04 75.65 3.19 67.17 63.64 67.75 67.59 65.18 62.32 63.48 63.95 60.38 60.58 63.61 61.39 59.15 57.30 56.58 75.64 3.44 66.99 63.57 67.62 67.34 64.87 62.36 63.60 63.63 61.19 62.29 64.90 61.32 59.11 57.69 57.00 75.71 3.69 66.80 63.46 67.45 67.08 64.58 62.29 63.51 63.23 61.56 63.32 65.34 61.10 59.39 58.43 57.47 75.68 3.94 66.60 63.33 67.26 66.82 64.26 62.00 63.08 62.56 61.34 63.71 64.92 60.39 59.09 58.05 57.46 75.42 4.19 66.39 63.18 67.03 66.53 63.88 61.44 62.28 61.50 60.68 63.61 64.15 59.76 58.77 58.19 57.32 75.04 4.44 66.18 63.00 66.77 66.21 63.41 60.61 61.09 60.13 60.15 63.25 63.39 59.63 58.98 58.75 57.06 74.63 4.69 65.96 62.80 66.48 65.86 62.84 59.52 59.58 58.87 60.31 62.82 62.79 59.74 59.09 59.10 57.03 74.25 4.94 65.74 62.59 66.17 65.46 62.18 58.18 57.78 58.49 60.97 62.40 62.42 59.82 59.04 59.41 56.86 73.92 5.19 65.52 62.36 65.82 65.03 61.41 56.62 55.80 59.20 61.65 61.92 62.19 59.71 59.36 59.63 56.55 73.65 5.44 65.30 62.12 65.45 64.56 60.57 54.88 53.78 60.42 62.16 61.37 62.11 59.57 59.98 59.86 56.32 73.45 5.69 65.09 61.86 65.06 64.06 59.64 53.02 52.03 61.63 62.54 60.83 62.29 59.69 60.53 59.77 56.10 73.30 5.94 64.88 61.61 64.66 63.52 58.65 51.15 50.96 62.65 62.86 60.39 62.70 59.93 61.11 59.51 55.99 73.22 6.19 64.67 61.34 64.24 62.97 57.61 49.42 50.79 63.47 63.11 60.04 63.13 60.12 61.47 59.29 56.20 73.17 6.44 64.47 61.08 63.81 62.39 56.54 48.03 51.28 64.11 63.28 59.76 63.44 60.21 61.75 59.20 56.36 73.12 6.69 64.27 60.81 63.37 61.79 55.46 47.11 52.03 64.61 63.33 59.54 63.67 60.30 62.08 59.15 56.32 73.08 6.94 64.08 60.55 62.93 61.19 54.39 46.65 52.77 64.98 63.26 59.35 63.89 60.50 62.19 58.96 56.31 73.02 7.19 63.89 60.29 62.50 60.58 53.35 46.51 53.42 65.27 63.10 59.21 64.16 60.81 62.18 58.70 56.33 72.97 7.44 63.72 60.04 62.06 59.97 52.37 46.55 53.98 65.48 62.87 59.12 64.47 61.17 62.26 58.60 56.32 72.94 7.69 63.55 59.79 61.63 59.37 51.46 46.65 54.46 65.63 62.62 59.08 64.77 61.50 62.31 58.58 56.45 72.92 7.94 63.39 59.55 61.20 58.76 50.65 46.77 54.89 65.74 62.36 59.09 65.03 61.79 62.22 58.44 56.66 72.88 8.19 63.23 59.31 60.79 58.17 49.95 46.88 55.28 65.82 62.12 59.15 65.21 62.02 62.03 58.29 56.77 72.84

OCR for page 76
77 Table B2. Vertical distribution of maximum one-third octave band and overall A-weighted sound levels for 59 heavy trucks. One Third Octave Band Levels re 20 microPascals at 6m Range Generated by VertScanStatistics_Plotter1.m and includes y offset=.27m Frequency (Hz) Elevation (m) 100 125 169 200 250 315 400 500 630 800 1000 1250 1600 2000 2500 OASPL -3.81 83.18 70.08 78.99 81.44 74.61 72.64 73.52 73.46 70.75 70.73 71.05 66.39 66.03 63.66 63.27 85.62 -3.56 83.27 70.31 79.07 81.52 74.67 72.94 73.94 73.93 71.69 71.46 70.65 66.41 66.42 63.80 63.10 85.81 -3.31 83.36 70.54 79.15 81.59 74.70 73.20 74.30 74.32 72.53 72.16 69.81 66.50 65.84 63.28 63.43 86.00 -3.06 83.44 70.77 79.21 81.64 74.70 73.41 74.59 74.61 73.20 72.89 69.22 67.30 65.40 62.71 65.20 86.16 -2.81 83.53 71.00 79.27 81.69 74.64 73.57 74.79 74.76 73.66 73.72 69.70 67.36 66.35 63.00 65.43 86.26 -2.56 83.62 71.24 79.32 81.72 74.54 73.66 74.89 74.75 73.85 74.65 69.46 66.82 67.32 62.90 63.78 86.26 -2.31 83.70 71.47 79.35 81.74 74.38 73.68 74.88 75.02 73.70 75.62 68.30 66.23 67.94 62.77 62.43 86.18 -2.06 83.79 71.70 79.38 81.75 74.88 73.61 74.74 76.53 73.20 76.45 69.45 67.29 68.17 63.22 61.59 86.02 -1.81 83.87 71.93 79.39 81.74 75.81 73.45 74.45 77.89 72.41 76.94 69.77 68.24 66.75 64.03 61.64 85.83 -1.56 83.94 72.15 79.40 81.72 76.72 73.20 74.60 79.09 71.95 76.87 70.04 67.84 63.74 63.74 62.15 85.67 -1.31 84.01 72.35 79.39 81.69 77.59 72.83 76.37 80.13 73.01 76.05 72.30 67.22 63.71 62.56 62.95 85.61 -1.06 84.07 72.55 79.38 81.66 78.41 72.59 77.96 81.06 77.49 74.37 74.52 68.99 64.15 62.18 61.72 85.69 -0.81 84.13 72.73 79.37 81.62 79.16 72.60 79.30 81.94 81.82 74.80 76.96 70.38 65.25 64.18 63.00 85.96 -0.56 84.17 72.89 79.36 81.59 79.83 72.37 80.33 83.61 85.05 75.38 79.84 71.01 65.80 64.32 61.70 87.63 -0.31 84.20 73.03 79.36 81.57 80.40 72.58 81.49 85.96 87.30 78.45 82.23 72.50 66.67 63.09 62.98 89.77 -0.06 84.22 73.14 79.37 81.57 80.86 73.26 82.96 87.67 88.66 79.86 83.11 73.20 68.97 65.31 63.79 91.14 0.19 84.22 73.22 79.41 81.61 81.20 73.70 83.94 88.72 89.16 79.56 81.86 73.92 71.33 65.66 64.98 91.66 0.44 84.21 73.28 79.47 81.68 81.39 73.88 84.42 89.10 88.74 77.27 80.05 74.21 68.87 65.34 64.22 91.23 0.69 84.17 73.29 79.57 81.80 81.42 73.76 84.35 88.78 87.28 77.89 78.62 71.65 66.64 64.48 62.57 89.86 0.94 84.11 73.27 79.70 81.96 81.27 73.63 83.69 87.66 84.62 77.83 78.64 72.52 67.93 63.88 63.42 88.54 1.19 84.04 73.20 79.86 82.16 80.93 73.69 82.38 85.60 80.65 75.65 76.55 71.41 67.93 64.87 63.41 87.13 1.44 83.93 73.10 80.05 82.38 80.38 73.48 80.32 82.78 78.14 74.68 74.71 69.77 66.30 64.28 63.60 86.80 1.69 83.81 72.95 80.24 82.63 79.59 72.94 77.42 80.23 77.57 72.55 72.83 69.91 65.07 62.08 62.76 86.73 1.94 83.66 72.75 80.44 82.88 78.55 71.95 73.66 76.91 76.09 69.66 68.55 68.00 65.20 62.81 61.61 86.72 2.19 83.48 72.51 80.62 83.12 78.01 72.64 73.14 74.48 73.89 68.55 65.76 65.06 66.28 63.69 61.64 86.87 2.44 83.28 72.22 80.78 83.34 78.86 74.18 74.06 73.55 70.66 66.70 66.25 65.45 65.38 63.40 61.79 87.25 2.69 83.05 71.89 80.91 83.52 79.53 75.57 75.99 75.02 69.02 64.83 67.64 67.01 63.94 60.95 62.23 87.72 2.94 82.81 71.63 81.00 83.64 80.01 76.67 77.51 76.74 71.05 65.57 69.36 68.16 63.70 61.78 62.46 88.22 3.19 82.54 71.80 81.04 83.71 80.30 77.43 78.52 77.82 73.32 70.22 70.18 68.96 64.05 62.48 61.26 88.67 3.44 82.25 71.90 81.02 83.72 80.41 77.85 79.04 78.27 74.64 73.11 73.59 68.28 65.13 63.36 64.19 89.02 3.69 81.94 71.94 80.95 83.65 80.35 77.91 79.08 78.09 74.76 73.66 75.20 70.52 66.45 66.60 66.13 89.06 3.94 81.61 72.00 80.83 83.52 80.11 77.65 78.67 77.32 73.66 72.54 74.55 69.91 65.87 63.23 62.76 88.69 4.19 81.28 72.14 80.64 83.31 79.72 77.06 77.82 75.94 71.94 70.87 72.42 67.20 64.94 63.64 63.95 88.17 4.44 80.93 72.32 80.40 83.05 79.17 76.17 76.56 74.01 70.53 70.90 71.01 66.99 64.41 63.23 63.04 87.62 4.69 80.57 72.45 80.11 82.72 78.49 74.98 74.90 71.63 70.06 70.79 71.04 67.00 64.35 63.17 63.04 87.07 4.94 80.20 72.54 79.77 82.33 77.68 73.51 72.84 69.10 71.32 70.12 70.33 67.17 63.92 63.30 63.86 86.54 5.19 79.83 72.59 79.38 81.89 76.74 71.75 70.41 67.55 72.14 69.13 69.27 67.30 63.95 64.13 63.41 86.02 5.44 79.46 72.62 78.95 81.41 75.69 69.74 67.68 70.16 72.70 68.08 69.98 67.06 64.48 64.98 62.45 85.53 5.69 79.09 72.62 78.48 80.89 74.54 67.50 64.88 71.83 73.12 67.19 71.55 66.75 66.78 65.89 62.44 85.07 5.94 78.72 72.60 77.99 80.34 73.30 65.14 62.61 72.77 73.42 66.52 73.02 66.68 68.02 65.48 61.92 84.65 6.19 78.36 72.56 77.46 79.76 71.97 62.90 61.59 73.18 73.57 65.95 73.94 67.13 67.90 65.09 62.52 84.25 6.44 78.00 72.51 76.92 79.16 70.58 61.19 61.70 73.26 73.50 65.35 74.39 67.41 68.19 65.73 62.80 83.84 6.69 77.65 72.44 76.35 78.54 69.14 60.35 62.22 73.51 73.19 65.64 74.69 67.55 69.02 65.14 63.02 83.41 6.94 77.30 72.36 75.77 77.91 67.67 60.23 62.72 73.92 72.92 66.55 75.14 68.44 69.17 64.01 61.78 82.99 7.19 76.97 72.27 75.18 77.27 66.21 60.46 63.09 74.19 72.97 67.24 75.83 69.28 68.27 63.90 62.24 82.63 7.44 76.64 72.18 74.59 76.63 64.81 60.75 63.34 74.36 72.74 67.65 76.64 69.84 67.39 63.85 62.54 82.30 7.69 76.33 72.08 73.99 75.98 63.54 61.00 63.48 74.49 72.83 67.83 77.38 70.02 67.77 64.04 62.78 81.99 7.94 76.02 71.98 73.39 75.34 62.46 61.18 63.55 74.57 73.08 67.88 77.93 69.86 68.07 64.21 62.27 81.66 8.19 75.72 71.88 72.80 74.71 61.64 61.30 63.57 74.63 73.25 67.89 78.23 69.55 68.22 63.96 62.03 81.32