Road structure – process – or apparatus – Process – In situ treatment of earth or roadway
Patent
1995-02-14
1996-09-17
Graysay, Tamara L.
Road structure, process, or apparatus
Process
In situ treatment of earth or roadway
404 80, 404 82, E01C 2100
Patent
active
055562256
ABSTRACT:
The present invention provides an improved method of immediately repairing multiple backfilled utility cut trenches, potholes, and other discontinuities in asphalt pavement, at any ambient temperature, in which the pavement discontinuity is bridged by layers of heated virgin bituminous concrete of different grades, each layer including aggregate stone mixed with a liquid asphalt binder. Alternatively, substantially non-polymerized thermoplastic bituminous concretes of different grades may be used to form the bridging layers, each layer including aggregate stone mixed with a liquid asphalt binder and preferably also containing fractions of n-pentane soluble asphalts and being repetitively softenable in response to repetitive applications of infrared radiation. Also provided is a self-contained mobile unit for heating, storage, and delivery of required asphaltic material comprising two asphalt reclamation units.
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O'Connor, P., Message from the President of Thermal Power Corporation.
Thermal Power Corporation, "Specifications for Asphalt Pavement Repair Patch Master Method", 1986.
Felix A. Marino Co., Inc.
Graysay Tamara L.
Lisehora James A.
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