Simulation-Based Optimisation for Urban Environmental Noise Coupled with Auditory and Visual Subjective Evaluation

Table 3

Average equivalent sound pressure level and pass rate of each zone under different optimisation plans.

Zone	Noise barrier								Greenbelt								Combination arrangement
	Weekdays daytime		Weekdays nighttime		Weekends daytime		Weekends nighttime		Weekdays daytime		Weekdays nighttime		Weekends daytime		Weekends nighttime		Weekdays daytime		Weekdays nighttime		Weekends daytime		Weekends nighttime
	AESL dB (A)	Pass rate %	AESL dB (A)	Pass rate %	AESL dB (A)	Pass rate %	AESL dB (A)	Pass rate %	AESL dB (A)	Pass rate %	AESL dB (A)	Pass rate %	AESL dB (A)	Pass rate %	AESL dB (A)	Pass rate %	AESL dB (A)	Pass rate %	AESL dB (A)	Pass rate %	AESL dB (A)	Pass rate %	AESL dB (A)	Pass rate %
Campus	49.14	78.68	47.68	39.75	48.94	80.90	47.85	44.82	49.89	75.48	48.04	36.32	49.45	77.88	48.13	43.4	49.51	76.74	47.78	39.16	49.11	78.62	47.97	43.5
Sports zone	55.19	40.78	51.66	0.75	54.89	43.43	51.60	3.61	56.51	32.69	53.19	0.16	56.15	33.79	53.05	2.49	55.33	32.34	52.07	0.63	55.00	33.46	51.94	3.17
Teaching zone 1	46.88	99.52	44.79	75.13	46.4	99.38	45.17	78.71	49.14	91.20	46.76	65.51	48.52	92.75	47.15	71.85	46.63	99.76	45.05	84.29	46.13	100.00	45.44	84.93
Teaching zone 2	44.55	100.00	43.84	95.37	44.47	100.00	44.00	95.56	44.66	99.66	43.54	84.70	44.51	99.7	43.64	99.57	44.90	99.66	43.73	82.49	44.79	99.70	43.95	94.95
Library	46.16	100.00	44.19	93.62	46.05	100.00	44.40	95.62	44.72	100.00	43.84	94.46	44.58	100.00	44.01	96.29	45.06	100.00	45.31	93.58	44.94	100.00	45.55	94.20
Dormitory 1	49.32	91.47	49.02	24.73	49.11	97.20	49.18	33.19	50.65	90.62	48.72	25.76	49.68	96.79	48.75	34.20	50.90	90.03	48.47	22.72	50.05	95.73	48.64	30.66
Dormitory 2	49.29	87.59	48.20	46.86	49.29	88.05	48.34	44.87	48.78	87.31	47.97	46.76	48.88	88.04	48.03	53.75	49.22	87.39	48.63	44.87	49.17	87.72	48.85	50.56
Test zone	56.29	46.86	53.79	0.00	56.26	53.29	54.23	0.00	56.01	52.75	53.35	0.00	55.86	59.36	53.7	0.00	56.3	46.88	53.79	0.00	56.25	53.33	54.23	0.00

AESL: average equivalent sound level.