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Fiche 1,  Justifications,  Anglais

Record number: 1, Textual support number: 1 CONT

To use non-explosive demolition agents in demolition or quarrying, holes are drilled in the base rock as they would be for use with conventional explosives. A slurry mixture of the non-explosive demolition agent and water is poured into the drill holes. Over the next few hours the slurry expands, cracking the rock in a pattern somewhat like the cracking that would occur from conventional explosives.  4, fiche 1, Anglais, - expansive%20mortar

Fiche 1,  Justifications,  Français

Record number: 1, Textual support number: 1 CONT

Des procédés chimiques [de démolition] existent aussi. Ils consistent à faire éclater la maçonnerie en introduisant dans un trou préalablement foré un mortier expansif.  2, fiche 1, Français, - mortier%20expansif

Fiche 1,  Justifications,  Espagnol