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Procedure to widen roads, highways and tunnels railway, without interrupting traffic.
Procedure to widen roads, highways and tunnels railway, without interrupting traffic.
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机译：在不中断交通的情况下加宽道路，高速公路和隧道铁路的程序。
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摘要
The invention relates to a method for widening road tunnels, expressways or rail, without disrupting traffic, the method comprises: A FIRST STEP IN WHICH HOLDS A DRILLING soil samples INCLUDED AMONG THE PROFILE TEORICO TUNNEL SPREAD AND OLD TUNEL EXISTS, aFTER PROBABLY OPERATED ON THE FLOOR INCLUDED BETWEEN THE PROFILE THEORY OF TUNNEL SPREAD AND OLD TUNEL EXISTS, BY OPERATION OF CONSOLIDATION IN FRONT OF dRILLING AND OPERATIONS PRECONTENCION of the channel widening, and a second step in which the final coating comprising one or more arcs are placed PREFABRICATED BRACKET IN SAMPLES NEAR THE FRONT OF dRILLING, according to a principle of "ACTIVE VAULT".
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