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Science - Geology | | Italian term or phrase: miscele cementizie di guaina e di iniezione | Guaina è un po' vago e vorrei capire bene come rendere questo termine:
"Materiali come mezzi d’opera
Due sono principalmente i materiali che rientrano in questa categoria:
1) i fanghi bentonitici o le miscele polimeriche utilizzati per il sostegno delle pareti degli scavi profondi;
2) le miscele cementizie di guaina, utilizzati per sigillare alla pareti della perforazione tubi in acciaio o in materiale plastico per l’iniezione a pressione controllata del terreno o tiranti di ancoraggio."
e successivamente
"Le miscele cementizie di guaina e di iniezione
Le miscele cementizie sono fondamentalmente composte da acqua, cemento e eventuali additivi. Prove di laboratorio preliminari sulle miscele d’iniezione sono solitamente eseguiti con diversi dosaggi dei componenti." |
| | | English translation:cement mixtures for sheathing and grouting/injections | Explanation:
Grouting is injecting cement mixtures into the ground. The cement mixture is the grout, so you can use all these terms, mixture, injection etc. A rock bolt is a bar inserted into the ground (few metres long) used to stabilise a tunnel, mine or foundation. It is steel and must have a sheath to protect the steel from corrosion. Sometimes parts of this sheath (the end part or all of it) will be filled with cement of other mixes. Grout may also be injected on the outside of the grout. The sheaths and grout can be for other similar things (I think).
http://en.wikipedia.org/wiki/Rock_bolt |
| Selected response from:
James (Jim) Davis
Italy
Local time: 12:11
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2 hrs confidence:   cement mixtures for sheathing and grouting/injections
Explanation:
Grouting is injecting cement mixtures into the ground. The cement mixture is the grout, so you can use all these terms, mixture, injection etc. A rock bolt is a bar inserted into the ground (few metres long) used to stabilise a tunnel, mine or foundation. It is steel and must have a sheath to protect the steel from corrosion. Sometimes parts of this sheath (the end part or all of it) will be filled with cement of other mixes. Grout may also be injected on the outside of the grout. The sheaths and grout can be for other similar things (I think).
http://en.wikipedia.org/wiki/Rock_bolt
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The translation workplace 
