E - Fixed Constructions – 01 – C
Patent
E - Fixed Constructions
01
C
E01C 23/09 (2006.01)
Patent
CA 2174397
A pavement repair structure and method of repair for forming a bond between vertical surfaces in asphalt pavement. The repair structure comprises a flexible, internal layer that is impregnated with an adhesive, asphalt medium and an additive agent incorporated in the asphalt medium to reduce the tackiness and lower the temperature sensitivity of the asphalt medium to define an elongated strip. A cut in the asphalt pavement caused by either a saw or a jack hammer is sealed by providing a pavement repair structure which will form an extremely strong bond between the cut edge of the pavement (the clean and smooth edge caused by the saw or the rough and jagged edge caused by the jack hammer) and the patch of new asphaltic concrete mix. The product is also able to form a bond which is waterproof and will resist cracking due to extreme temperatures, the thermal expansion and contraction which the pavement will experience and deflection of the pavement under traffic loading. The pavement repair structure has a varying thickness of one half inch with a melting point such that when in contact with hot asphaltic concrete at normal mixing temperatures, the free asphalt contained in the pavement repair structure will flow into the voids of the cold surface on one side and will unite freely with the hot asphaltic mixture on the other side to create a homogeneous mass of all three components (the cold mixture in place, the pavement repair structure and the new hot asphaltic concrete mixture being put in place).
Gascoyne Robert G.
Smith Gerald R.
Sontowski Dieter Paul
Fetherstonhaugh & Co.
Gascoyne Robert G.
Smith Gerald R.
Sontowski Dieter Paul
LandOfFree
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