FIELD: roadway covering.
SUBSTANCE: proposed reinforcing screen includes crossing strands (1, 2 or 1', 2' or 1", 2")made from synthetic material at elongation at rupture of 5-6% lying consequently in range of elongation at rupture of bitumen-containing roadway covering. Screen may be coated with agent enhancing adhesion which has affinity for bitumen; it may be also bonded with bearing layer, i.e. with bitumen-impregnated non-woven base 4. Such screen is able to take up forces arising in bitumen covering and to become elastically deformable within range of its elongation.
EFFECT: enhanced efficiency and reliability.
8 cl, 7 dwg, 1 ex
| Title | Year | Author | Number |
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