| 摘要 |
PCT No. PCT/SE80/00136 Sec. 371 Date Jan. 9, 1981 Sec. 102(e) Date Dec. 30, 1980 PCT Filed May 9, 1980 PCT Pub. No. WO80/02435 PCT Pub. Date Nov. 13, 1980.A road surfacing (3) which emits reduced rolling noise and a method for the manufacture of such a road surfacing is disclosed. The road surfacing material is relatively soft and incorporates air-permeable, preferably intercommunicating channels or pores. In the manufacture of the surfacing, granulate or chip particles (4) are bound so that channels or pores are formed between the particles. |
