Road structure – process – or apparatus – Drain or gutter
Patent
1987-03-30
1989-02-28
Massie, IV, Jerome W.
Road structure, process, or apparatus
Drain or gutter
404 75, E01C 1124
Patent
active
048080241
ABSTRACT:
A method for inhibiting roadbed erosion and damage to roadways utilizes an underdrain system for removing water which causes such damage. Underdrains in the form of perforate pipes, preferably covered with a geotextile sock as a filter, are disposed transversely to the lengthwise direction of the roadway in close proximity to faults, cracks, joints and other fissures in the roadway. The underdrains conduct water away from such fissures thereby preventing roadbed particulate material from being pumped upwardly through the fissures together with water which collects below the concrete roadway. Such an installation is highly useful for preventing further damage to existing roadways, and may be installed without interrupting traffic or destroying the road surface by means of a pneumatic underground piercing tool.
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Public Works for Jul. 1976, vol. 107, No. 7, pp. 5, 38, 39.
Development of Guidelines for the Design of Subsurface Drainage Systems for Highway Pavement Structural Sections: Cedergren et al., Report No. FHWA-RD-73-14.
Massie IV Jerome W.
Smith Matthew
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