Pumpable Crib
A pumpable crib bag assembly includes a containment bag having a body and a supporting member. The containment bag is configured to contain a cementitious material therein and has a first end, a second end, and an outer surface. The pumpable crib bag assembly further includes a reinforcing layer positioned adjacent to the outer surface of the containment bag.
1 . 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, an inner surface and an outer surface; and
a reinforcing layer positioned adjacent to the inner surface of the containment bag.
2 . The assembly of claim 1 , wherein the body of the containment bag comprises a plurality of layers, the supporting member positioned between the plurality of layers.
3 . The assembly of claim 1 , wherein the reinforcing layer is cylindrical and is received within the body of the containment bag.
4 . The assembly of claim 3 , wherein the reinforcing layer extends from the first end to the second end of the containment bag.
5 . The assembly of claim 1 , wherein the reinforcing layer comprises polyethylene.
6 . The assembly of claim 4 , wherein the reinforcing layer comprises polyethylene.
7 . The assembly of claim 1 , wherein the reinforcing layer comprises about 60-150 gauge polyethylene sheet material.
8 . The assembly of claim 4 , wherein the reinforcing layer comprises about 60-150 gauge polyethylene sheet material.
9 . The assembly of claim 1 , wherein the reinforcing layer is formed of a cylindrical.
10 . The assembly of claim 1 , wherein the containment bag is substantially cylindrical.
11 . The assembly of claim 1 , wherein the containment bag is substantially frusto-conical.
12 . A method of installing a pumpable crib comprising:
securing a first end of a containment bag to a roof portion of a mine opening;
positioning a reinforcing layer adjacent an inner surface of the containment bag;
positioning a second end of the containment bag on a floor portion of the mine opening; and
filling the containment bag with a cementitious material.
13 . The method of claim 12 , wherein the reinforcing layer is formed of a mesh material and extends from the first end to the second end of the containment bag.
14 . The method of claim 12 , wherein the reinforcing layer is cylindrical and extends from the first end to the second end of the containment bag.
15 . The method of claim 12 , wherein the containment bag comprises a body and a supporting member.
16 . The method of claim 12 , wherein the reinforcing layer comprises polyethylene.
17 . The method of claim 13 , wherein the reinforcing layer comprises about 60-150 gauge polyethylene sheet material.
18 . The method of claim 12 , wherein the containment bag is filled with the cementitious material via a fill tube positioned adjacent the first end of the containment bag.
19 . The method of claim 15 , wherein the supporting member comprises a helically wound wire.
20 . The method of claim 19 , wherein the body of the containment bag comprises a plurality of layers, the supporting member positioned between the plurality of layers.