Measuring Tire-pavement Noise at the Source
Transportation Research Board, 2009 - Tire/pavement noise - 36 pages
This report presents a suggested procedure for measuring the tire-pavement noise at the source. The procedure uses the on-board sound intensity (OBSI) method that was found to be the preferred approach for measuring tire-pavement noise at the source. Although the research presented in this report provided a basis for the recently introduced provisional Standard Test Method for the Measurement of Tire/Pavement Noise Using the On-Board Sound Intensity (OBSI) Method (AASHTO Designation TP076-08), the procedure includes some modifications to the provisional standard. The four appendices are not published in this report. Copies are available on the TRB website.
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Evaluation of Alternative Test Methods
Demonstration Testing of OBSI Procedure
Results and Discussion
2 other sections not shown
AASHTO AC and PCC acoustic Administration air temperature average Based on SRTT Caltrans conducted conﬁguration consecutive baseline contact patch controlled passby correlation CPX and OBSI cross-plots dBA Figure deﬁned develop differences Dunlop tire evaluated ﬁeld ﬁndings ﬁrst ﬁxture ft Micro hone heavy trucks highway agencies identiﬁed in-service pavements Linear linear regression Marshalltown measuring tire-pavement noise ment Metrics Micro hone Distance microphone MnROAD National Academy noise levels noise measurement OBSI and CPB OBSI data OBSI levels OBSI measurements OBSI method OBSI procedure OBSI test overall A-weighted passby data passby events passby measurements pavement noise pavement sections PCC pavement Pontiac Grand Prix probe location provided in Appendix range regression sound intensity level sound pressure level SPB data SPB versus speciﬁc SRTT and Dunlop SRTT tire standard deviation test parameter test procedure test section test sites test speed test tire test vehicle tire inﬂation pressure trafﬁc noise trailing edge variables vehicle speed