| 摘要 |
PCT No. PCT/IT94/00011 Sec. 371 Date Aug. 9, 1996 Sec. 102(e) Date Aug. 9, 1996 PCT Filed Feb. 11, 1994 PCT Pub. No. WO95/21964 PCT Pub. Date Aug. 17, 1995Deadening pavement for roads, comprising: an upper layer (10), formed by a wearing course of asphalt having an average granulometry, and a lower layer (12) supporting the wearing course (10), and which is made of cement, concrete, or similar materials, wherein in the lower layer (12) there is obtained a plurality of cavities (18), facing directly the upper layer (10),which act as Helmholtz resonators. |
