Road structure – process – or apparatus – Pavement – Including bed
Patent
1977-02-28
1979-09-11
Byers, Jr., Nile C.
Road structure, process, or apparatus
Pavement
Including bed
E01C 300
Patent
active
041673565
ABSTRACT:
An improved three-layer slab supported by a reduced-thickness elastic foundation for roadway applications is described. The intermediate layer of the slab is significantly thicker and more porous than each of the adjacent upper and lower layers, and serves as a thermo-insulating layer to prevent the propagation of extremely low temperatures to the elastic foundation of the slab. The slab has a thickness significantly greater than that of the foundation. Typically, the upper and the lower layers of the slab are formed from poured asphaltic concrete, while the intermediate layer is formed from compacted natural crushed stone or granulated broken stone sprayed with fluid bituminous or a bituminous-gasoline mixture.
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Byers Jr. Nile C.
Consiliul Popular al Judetului Braila
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