Road structure – process – or apparatus – Drain or gutter
Patent
1995-10-10
1997-05-20
Lisehora, James
Road structure, process, or apparatus
Drain or gutter
404 6, 404 15, 404 16, 404 32, 404 71, E01C 522, E01C 902
Patent
active
056306741
ABSTRACT:
A road surface formed by laying a multiplicity of molded elastic plates 2 each containing a rubber material 6 mixed with an aggregate 7 having anti-wear properties. These elastic plates 2 are laid on a roadbed 3, and are fixed by fixing means 20. Strong adhesive force between this rubber material and the aggregate greatly suppresses peeling of the aggregate 7 from the rubber 6 and prevent formation of pit holes on the surface of the road. The highly elastic nature of the elastic plates prevents plastic deformation and cracks of the road due to vehicle load, suffer little change with temperature variation, providing long-term durability. Accordingly, the frequency of repairs or modifications carried out to improve durability is drastically reduced, and the number of defects is reduced so that the safety of vehicles using the road is increased. A multiplicity of grooves 26 provided in the vehicle travel direction on the surface of the elastic plate 2 guide the wheels of vehicles so as to confer directionality and increase road safety. A light reflecting layer 27 formed on the inner walls of the grooves 26 makes the road surface stand out at night or in dark areas of terrain so that it can be better seen by drivers, thereby contributing to greater road safety.
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patent: 5391226 (1995-02-01), Frankowski
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