Method and means of extracting a soil anchor consisting of a pre

Details Method and means of extracting a soil anchor consisting of a pre Method and means of extracting a soil anchor consisting of a pre

1975-06-13

1977-07-19

Brown, David H.

Ammunition and explosives

Igniting devices and systems

52166, F42D 100

Patent

active

040361373

ABSTRACT:
Method and means of extracting a soil anchor consisting of a prestressed steel tendon anchored in a soil comprising introducing an explosive in a tube placed in the center of said steel tendon, detonating and blasting said explosive, by which explosion the hardened anchorage surrounding the lower part of said anchor is loosened, and pulling the whole length of the loosened anchor out of the soil.

REFERENCES:
patent: 1746848 (1930-02-01), Bates
patent: 2048677 (1936-07-01), Berteling
patent: 3115226 (1963-12-01), Thompson
patent: 3494134 (1970-02-01), Jorge
patent: 3618520 (1971-11-01), Hamasaki et al.

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