TERMIUM Plus®

The Government of Canada’s terminology and linguistic data bank.

TUNNEL SHIELD [2 records]

Record 1 2014-01-17

English

Subject field(s)
  • Construction Site Equipment
  • Tunnels, Overpasses and Bridges
DEF

A machine capable of boring and lining tunnels at the same time.

French

Domaine(s)
  • Matériel de chantier
  • Tunnels, viaducs et ponts
CONT

Exécution des souterrains au bouclier. [...] Un bouclier est un appareil mobile, rigide, qui permet de terrasser à pleine section un ouvrage de forme circulaire et de poser le revêtement à l'abri d'un blindage empêchant les éboulements de terrain.

Spanish

Campo(s) temático(s)
  • Equipos de construcción
  • Túneles, viaductos y puentes
DEF

Máquina para perforar galerías y túneles en terreno flojo sin ninguna necesidad de entibarlos.

CONT

El escudo suele tener la forma cilíndrica, con un diámetro algo superior al que deberá tener el túnel, cuya diferencia representa el espesor que tendrá el revestimiento.

Save record 1

Record 2 - external organization data 1995-01-13

English

Subject field(s)
  • Measuring Instruments (Engineering)
  • Scientific Instruments
  • Radiation Protection
  • Compartment - Canadian Nuclear Safety Commission
CONT

After making careful preparations, the operator and the RPO were able to place a shielding tunnel over the head hose. Then, by gradually pulling the camera towards them and continuously monitoring the radiation field with the survey meter, they were able to establish when the source was completely covered by the tunnel.

French

Domaine(s)
  • Instruments de mesure (Ingénierie)
  • Instruments scientifiques
  • Radioprotection
  • Tiroir - Commission canadienne de sûreté nucléaire
CONT

Après de soigneux préparatifs, l'opérateur et le responsable de la radioprotection ont pu mettre un tunnel de blindage au-dessus du tube de guidage. Ensuite, en tirant graduellement l'appareil vers eux et en contrôlant continuellement le champ de rayonnements au moyen d'un détecteur, ils ont pu établir à quel endroit le tunnel couvrait entièrement la source.

Spanish

Save record 2

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