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322 2019 年 5 月

௄Мߚܗ 30O,3 m 45O,3 m 60O,3 m ௄Мߚܗ 30O,3 m 45O,3 m 60O,3 m
1050
ܦᑟूए 1200 ܦᑟूए 950

1140

2.85 4.55 5.25 5.95 7 2.85 4.55 5.25 5.95 7
ܦູᡰሏ/m ܦູᡰሏ/m
(a) ฾ӝ1 (b) ฾ӝ2

௄Мߚܗ 30O,3 m 45O,3 m 60O,3 m
ܦᑟूए 160

120

2.85 4.55 5.25 5.95 7
ܦູᡰሏ/m
(c) ฾ӝ3
图 5 有无八字墙对 3 个测区声能强度的影响
Fig. 5 The inﬂuence on the sound energy strength in three test areas with or without the splayed walls

300
300
250
250
200 200
Ꭺಫ஝ 150 Ꭺಫ஝ 150

100 100
50 50

0 0
0 100 200 300 0 100 200 300
Ꭺಫ஝ Ꭺಫ஝
(a) ੆Լʽ௄Мߚܗ (b) Мߚܗ݃ᝈ˞45OὊࠕए˞3 m
图 6 27 ms 时刻两种戏台模型的波形图
Fig. 6 Waveforms of two stage models in t=27 ms

30O, 5 m 45O, 5 m 60O, 5 m 30O, 5 m 45O, 5 m 60O, 5 m
1300 1100
ܦᑟूए ܦᑟूए

1200 1050

2.85 4.55 5.25 5.95 7 2.85 4.55 5.25 5.95 7
ܦູᡰሏ/m ܦູᡰሏ/m
(a) ฾ӝ1 (b) ฾ӝ2

30O, 5 m 45O, 5 m 60O, 5 m
120
ܦᑟूए
90

2.85 4.55 5.25 5.95 7
ܦູᡰሏ/m
(c) ฾ӝ3
图 7 八字墙角度对声能强度的影响
Fig. 7 The inﬂuence of the angels of the splayed walls on the sound energy strength

35 36 37 38 39 40 41 42 43 44 45