| 摘要 |
In a method of anchoring a reinforcing member such as a rock bolt in a hole, e.g., in a mine roof,wherein two separate components of an inorganic cement grouting system are mixed, preferably in the hole, e.g., by the rotation of the reinforcing member, whereby the components react to form a hardened grout around the reinforcing member, the two components of the system delivered into the hole are: (1) a slush or sludgy mass of a particulate inorganic cement, e.g., an hydraulic cement, and a liquid which is nonreactive therewith, preferably a hydrocarbon, and (2) a liquid, e.g., water, which is reactive with the cement; and a particulate aggregate such as sand preferably is present in the cement slush and/or the reactive liquid. The inorganic cement constitutes more than 10 percent, and the weight of any aggregate present is no more than about 80 percent, of the total weight of the two components. The two components preferably are delivered into the hole separately, e.g., from separate feeding conduits or, more preferably, in separate compartments of a frangible package, which is broken by the penetration and rotation of the reinforcing member.
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