Pavements that produce less noise at the tire/pavement interface represent an important strategic solution necessary to minimize the traffic acoustic impact. Several studies have shown how the most important parameters affecting tire noise are associated with the road surface that influences both the generation and propagation of sound waves. On this subject, the Italian National Road Agency (ANAS) sponsored a research project related to quiet pavements. The project was developed by Università Politecnica delle Marche based on a trial section where different kinds of wearing courses were laid down. The selected materials were a Splittmastix Asphalt (SMA), an Open Graded Friction Course (OGFC) and a dense graded asphalt containing Expanded Clay (EC). Furthermore, two sub-sections of SMA and of OGFC were covered respectively with a Slurry Seal with dry addition of Crumb Rubber (SSCR) and a Photocatalytic cement Mortar (PM), obtaining five different materials to be tested. In this paper the Authors present preliminary results, analyzing the acoustic characterization of the selected materials in terms of absorption coefficient. Moreover, in situ noise measurements have also been repeated at different stages in order to find possible correlations with acoustic properties of the mixes and to investigate the time dependency of the performance.

Acoustic characterization of different road materials / Santagata, Felice Ausilio; Canestrari, Francesco; Pasquini, Emiliano; Ayr, U; Pisciotta, M.. - STAMPA. - (2008), pp. 361-372. (Intervento presentato al convegno International ISAP Symposium on Asphalt Pavements and Environment tenutosi a Zurich, Switzerland nel 18th-20th August, 2008).

Acoustic characterization of different road materials

SANTAGATA, Felice Ausilio;CANESTRARI, FRANCESCO;PASQUINI, EMILIANO;
2008-01-01

Abstract

Pavements that produce less noise at the tire/pavement interface represent an important strategic solution necessary to minimize the traffic acoustic impact. Several studies have shown how the most important parameters affecting tire noise are associated with the road surface that influences both the generation and propagation of sound waves. On this subject, the Italian National Road Agency (ANAS) sponsored a research project related to quiet pavements. The project was developed by Università Politecnica delle Marche based on a trial section where different kinds of wearing courses were laid down. The selected materials were a Splittmastix Asphalt (SMA), an Open Graded Friction Course (OGFC) and a dense graded asphalt containing Expanded Clay (EC). Furthermore, two sub-sections of SMA and of OGFC were covered respectively with a Slurry Seal with dry addition of Crumb Rubber (SSCR) and a Photocatalytic cement Mortar (PM), obtaining five different materials to be tested. In this paper the Authors present preliminary results, analyzing the acoustic characterization of the selected materials in terms of absorption coefficient. Moreover, in situ noise measurements have also been repeated at different stages in order to find possible correlations with acoustic properties of the mixes and to investigate the time dependency of the performance.
2008
9783905594515
File in questo prodotto:
Non ci sono file associati a questo prodotto.

I documenti in IRIS sono protetti da copyright e tutti i diritti sono riservati, salvo diversa indicazione.

Utilizza questo identificativo per citare o creare un link a questo documento: https://hdl.handle.net/11566/52178
 Attenzione

Attenzione! I dati visualizzati non sono stati sottoposti a validazione da parte dell'ateneo

Citazioni
  • ???jsp.display-item.citation.pmc??? ND
  • Scopus ND
  • ???jsp.display-item.citation.isi??? ND
social impact