Patent ID: 8584963

Claim:
A method for temporarily supporting a section of railroad track including generally parallel rails ( 12 ) and generally parallel spaced sleepers ( 15 ) with traffic during the execution of works below the railroad track, comprising: providing at least two spaced apart service beams ( 17 ) that are supported at their opposite ends; installing a support beam ( 16 ) having parallel flanges and connecting web on the external side of each rail ( 12 ) of the railroad track; the web forming part of the support beam ( 16 ) defining a plurality of cells ( 41 ); installing at least one cross beam ( 14 ) between two consecutive railroad sleepers ( 15 ) and housing each end of the cross beam ( 14 ) in one of the cells ( 41 ) of the support beam ( 16 ); locating at least two profiles plates ( 21 ) alongside the web of the support beam ( 16 ) that separates two consecutive cells ( 41 ); connecting the support beam ( 16 ) to the cross beam ( 14 ) by mechanical positioning means extending through said profile plate ( 21 ) and the end sections of said cross beam ( 14 ) for transmitting railroad load to the service beams ( 17 ); and installing a jacking box ( 3 ) under the support structure ( 16 ) and the railroad track ( 12 ) for the excavation of the works below the railroad track ( 12 ) while the support structure is supported by the service beam ( 17 ) without interrupting the railroad traffic.