Process and apparatus for widening roadways

Details Process and apparatus for widening roadways Process and apparatus for widening roadways

1988-03-14

1989-07-18

Corbin, David H.

Hydraulic and earth engineering

Earth treatment or control

Rock or earth bolt or anchor

405284, 405287, E02D 1720, E02D 2902

Patent

active

048489727

ABSTRACT:
The present invention relates to a process for widening roadways. The process starts with digging a trench of adequate depth in the slope of the embankment of the existing roadway at a distance corresponding to the widening. A wall is then built in the trench by means of prefabricated elements or by on-site casting, and is subsequently anchored to the road embankment by means of tension elements. The wall rises substantially to the level of the roadway so as to define a channel which is then filled with stabilized material, on which the road paving is completed up to the wall.

REFERENCES:
patent: 4132498 (1979-01-01), Ikeda et al.
patent: 4369004 (1983-01-01), Weatherby

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