Anchoring systems for mines

A grouting article for anchoring a reinforcement in a mine comprising:

• a package comprising a tubular member formed of polymer film and having discrete first and second compartments;
• a reacting, hardenable material disposed in at least one of the first and second compartments;
• a polyester resin mastic disposed in the first compartment;
• and
• an inorganic peroxide catalyst disposed in the second compartment.

A grouting article for anchoring a reinforcement in a mine comprising:

• a package comprising a tubular member formed of polymer film and having discrete first and second compartments;
• a reacting, hardenable cementitious material comprising a hydratable substance and water disposed in the first compartment;
• and
• an organic peroxide catalyst disposed in the second compartment.

A grouting article of for anchoring a reinforcement in a mine comprising:

• a sealed, tubular member formed of polymer film and having discrete first and second compartments;
• reacting, hardenable cementitious material comprising a hydratable substance and water disposed in at least one of the first and second compartments;
• and
• mastic disposed in at least one of the first and second compartments, wherein the mastic is selected from the group consisting of catalyst mastic, resin mastic, or both.

A grouting article for providing roof or sidewall support comprising:

• a sealed, tubular member formed of polymer film and having first and second compartments;
• organic peroxide catalyst mastic disposed in the first compartment;
• polyester resin mastic disposed in the second compartment;
• and
• reacting, hardenable material disposed in at least one of the first and second compartments.