A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
ENSEMBLE DE FORAGE ET PROCÉDÉ DE FORAGE ASSOCIÉ
A boring assembly extends along a main axis and comprises a boring head comprising at least one first nozzle and at least one second nozzle The or each second nozzle is different from the or each first nozzle. The boring assembly includes a first delivery device configured to deliver a jet of abrasive-free water at a pressure comprised between 2000 bar and 4000 bar to the at least one first nozzle. The boring assembly includes a second delivery device configured to deliver a jet containing at least one abrasive material at a pressure comprised between 2000 bar and 6000 bar to the at least one second nozzle.
ENSEMBLE DE FORAGE ET PROCÉDÉ DE FORAGE ASSOCIÉ
A boring assembly extends along a main axis and comprises a boring head comprising at least one first nozzle and at least one second nozzle The or each second nozzle is different from the or each first nozzle. The boring assembly includes a first delivery device configured to deliver a jet of abrasive-free water at a pressure comprised between 2000 bar and 4000 bar to the at least one first nozzle. The boring assembly includes a second delivery device configured to deliver a jet containing at least one abrasive material at a pressure comprised between 2000 bar and 6000 bar to the at least one second nozzle.
ENSEMBLE DE FORAGE ET PROCÉDÉ DE FORAGE ASSOCIÉ
BORING ASSEMBLY AND ASSOCIATED BORING METHOD
BOHRANORDNUNG UND ZUGEHÖRIGES BOHRVERFAHREN
LACROIX MARC (author)
2024-02-14
Patent
Electronic Resource
French
Procédé de scellement d’un manchon tubulaire dans un forage
| European Patent Office | 2021