Rib for supporting and reinforcing an excavation

摘要

The present invention relates to a rib (1) for supporting and reinforcing an excavation. The invention also relates to a structure and to a method for supporting and reinforcing an excavation. The rib (1) according to the invention comprises at least a structural element (5A) provided with a tubular body (6), preferably with a circular cross section, which defines an inner cavity (9A) adapted to be completely filled with concrete after installation of the rib. The structural element is provided with a filling device (7) operatively couplable to concrete injection means.

主权项

1. A structure for supporting and reinforcing an excavation comprising a rib arrangement including a plurality of ribs, each rib being connected to an adjacent rib through one or more connection links, each rib including a structural element comprising a tubular body provided with an inner cavity adapted to be completely filled with concrete after installation of the rib, at least one of said structural elements comprising a filling arrangement operatively couplable to means for injecting concrete at a pressure greater than atmospheric pressure into the respective said inner cavity, the rib arrangement further including a vent arrangement for the outflow of air during injection of concrete into said inner cavity, each rib comprising a plurality of connection members arranged at predetermined intervals along the structural element thereof, each connection link being coupled to connection members arranged on different ribs at a corresponding height, and each connection member being configured so as to allow coupling of at least two connection links thereto.