Gabion

Abstract

The invention concerns a recoverable gabion for use in protecting military or civilian installations from weapons assault or from elemental forces, such as flood waters, lava flows, avalanches, soil instability, slope erosion and the like. The gabion comprises opposed side walls comprising a plurality of side wall elements connected together at spaced intervals by a plurality of partition walls such that spaces between neighbouring pairs of partition walls define, together with the side walls, individual compartments of the gabion, adjacent side and partition walls being connected to one another by pivotal connections enabling the gabion to be folded between fully flattened and deployed configurations, wherein at least one of the pivotal connections is a releasable connection which when released allows a side wall element to open with respect to the gabion to allow access from the side of the gabion to any contents of the gabion compartments.

1 - 26 . (canceled) 
     
     
         27 . A multi-compartmental gabion comprising opposed side walls connected together at spaced intervals along the length of the gabion by a plurality of partition walls, the spaces between neighbouring pairs of partition walls defining, together with the side walls, individual compartments of the multi-compartmental gabion,
 wherein said individual compartments of the multi-compartmental gabion being bounded by opposed side wall sections of the respective opposed side walls, the partition walls each consisting of a single panel and being pivotally connected to the side walls, and the side wall sections of the individual compartments each comprising at least one side wall element,   pivotal connections being provided between neighbouring side wall elements of neighbouring compartments allowing the multi-compartmental gabion to fold concertina-wise for storage or transport, a releasable pivotal connection between at least two neighbouring side wall elements being provided by a hinge member provided on each of said at least two neighbouring side wall elements and by a releasable locking member releasably securing the pivotal connection by cooperating with the hinge members, whereby release of the locking member allows a first neighbouring side wall element to be disconnected from a second neighbouring side wall element and for the first side wall element thereby to move pivotally, by means of its pivotal connection with an opposite neighbouring side wall element, with respect to the compartment of the gabion bounded by the first neighbouring side wall element to open said compartment through the side wall of the gabion and allow access to any contents of said compartment.   
     
     
         28 . The gabion according to  claim 27 , wherein the side wall sections of the individual compartments each consist of one side wall element. 
     
     
         29 . The gabion according to  claim 27 , wherein the pivotal connection between connected walls and/or wall elements is achieved by providing interconnected walls and/or wall elements with a row of apertures along an interconnection edge thereof and by providing a coil member helically threaded through a plurality of apertures along the interconnection edge. 
     
     
         30 . The gabion according to  claim 29 , wherein each hinge member is a helical spring. 
     
     
         31 . The gabion according to  claim 27 , further comprising at least one pivotal connection wherein the side wall elements of neighbouring compartments and a partition wall are joined by a single hinge member. 
     
     
         32 . The gabion according to  claim 27 , wherein the pivotal connections cause adjacent walls of the gabion to fold about a plurality of pivot axes. 
     
     
         33 . The gabion according to  claim 32 , wherein the pivot axes are spaced apart to enable adjacent walls to lie face-to-face when the gabion is in a folded configuration. 
     
     
         34 . The gabion according to  claim 27 , wherein the pivotal connection between connected side wall elements is releasable and is achieved by providing the interconnected side wall elements with a row of apertures along an interconnection edge thereof and by providing a first coil member helically threaded through a plurality of apertures along the interconnection edge of a first side wall element, a second coil member helically threaded through a plurality of apertures along the interconnection edge of a second side wall element, connected to the first side wall element along the interconnection edge, and the releasable locking member threaded through overlapped first and second coil members. 
     
     
         35 . The gabion according to  claim 27 , comprising at least a plurality of compartments openable through the side wall. 
     
     
         36 . A method for deploying a gabion according to  claim 27 , comprising transporting the folded gabion to a deployment site, unfolding the gabion and filling each individual compartment of the gabion with a fill material. 
     
     
         37 . The method according to  claim 36 , wherein the fill material is selected from sand, earth, soil, stones, rocks, rubble, concrete, debris, snow, ice and combinations of two or more thereof. 
     
     
         38 . A method of recovering a gabion according to  claim 27 , comprising opening up all of the openable side wall sections of the gabion, at least partly removing the fill material from the compartments, and removing the gabion from site. 
     
     
         39 . A method for setting up a barrier against weapons assault or against elemental forces, comprising:
 transporting the gabion of  claim 27  to a deployment site in a folded configuration;   unfolding the gabion at the deployment site; and   filling the individual compartments of the gabion with a fill material.   
     
     
         40 . The method of  claim 39 , wherein said fill material is selected from sand, earth, soil, stones, rocks, rubble, concrete, debris, snow, ice and combinations of two or more thereof.