Underground work chamber assembly and method for the constructio

Details Underground work chamber assembly and method for the constructio Underground work chamber assembly and method for the constructio

1993-04-16

1994-04-12

Corbin, David H.

Hydraulic and earth engineering

Underground passageway, e.g., tunnel

Vertical

405 8, 405148, 4051501, E21D 1110

Patent

active

053020529

ABSTRACT:
An underground work chamber assembly including a chamber, elevator shaft, air path, utility path, and slotted grout pipes which is assembled as lowered into a drilled hole on dry land or underwater, the slotted grout pipes facilitating a controlled grouting of the space surrounding the underground work chamber assembly when in place.

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