| 摘要 |
A grout bag (1) is provided having flexible side walls (2) a top (3) and a bottom (4) defining a cavity for receiving settable granular material or g rout (5) and an inlet (6) for slurry to be introduced into the interior of t he grout bag wherein the flexible side walls are adapted to retain solids wi thin the grout bag. The grout bag has an axis in the general direction in wh ich a filled and set grout bag is adapted to collapse and the grout bag has, in an open but unfilled condition, at least two different cross-sectional s izes to the cavity with respect to the axis of the bag. Typically the differ ent cross-sectional sizes are formed by a truncated conical shaped sidewall section or by a conical insert, or both. A grout pack including such a grout bag and surrounding mesh and/or restraining rings is also provided.
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