Pumpable crib

A pumpable crib bag assembly comprising:

• a containment bag having a body and a supporting member, the containment bag configured to contain a cementitious material therein and having a first end, a second end, and an outer surface, wherein the body of the containment bag comprises a cylindrical inner layer that defines an interior space for containing the cementitious material therein and a cylindrical outer layer concentrically disposed about the cylindrical inner layer, wherein the cylindrical inner layer and the cylindrical outer layer define an open space therebetween, the supporting member positioned in the open space and in contact with each of the cylindrical inner layer and the cylindrical outer layer, wherein the cylindrical inner layer is non-permeable to prevent the cementitious material from passing from the interior space therethrough to the open space, wherein the supporting member comprises a helically wound wire;
• and
• a reinforcing layer positioned adjacent to the outer surface of the containment bag, wherein the reinforcing layer comprises a single sheet of material circumferentially surrounding the containment bag and extending from the first end of the containment bag to the second end of the containment bag.