Patent ID: 9322137
Filing Date: 2016-04-26
CPC Classification: E01C,E01D,E02D

Claim Text:
1. A method enabling the construction of structures such as underpasses (passages under railway, highway, road, pedestrian way), through earthworks or embankment supporting one or multiple railway, motorway, roadway, pedestrian way, after having temporarily interrupted the flow of the traffic on these ways, the method comprising: removing the ways or a part thereof, at the place provided in the embankment support of these ways for the future passage to be made, sufficiently excavating the embankment, implementing a deck, then its backfilling and putting back the ways in order to restore the traffic at the end of the period of temporary traffic interruption; and making the side walls of the passage from the sides of the embankment, by the making of galleries sunk to the level of foundations, the construction of the aforementioned foundations according to the characteristics of the soils encountered, the making of side walls in the interior of the galleries, then excavations in the interior of the passage, with installation of temporary and/or final retaining structures and shorings in order to avoid detrimental movement of the frame of the structure.