Yieldable load support

Details Yieldable load support Yieldable load support

1992-03-13

1994-06-07

Reese, Randolph A.

Hydraulic and earth engineering

Earth treatment or control

Shoring, bracing, or cave-in prevention

405272, 405303, 248544, E21D 1105

Patent

active

053183878

ABSTRACT:
The yieldable load support comprises a compressible support member in the form of an elongate timber pole. The load support or pole is asymmetrically modified at or near one end thereof in a manner to positively induce sideways brushing of the pole at the modified end, in a preferential direction transverse to the length of the pole, when the support member is placed under longitudinal compressive load of sufficient magnitude.

REFERENCES:
patent: 459857 (1891-09-01), Olcott
patent: 692111 (1902-01-01), Brunton
patent: 759418 (1904-05-01), Brunton
patent: 875182 (1907-12-01), Keighley
patent: 1528034 (1925-03-01), Thielmann
patent: 1946720 (1934-02-01), Stearns
patent: 2190556 (1940-02-01), Wiebecke et al.
patent: 2301489 (1942-11-01), Wiebecke
patent: 4497597 (1985-02-01), Chlumecky
patent: 4534531 (1985-08-01), Brown
patent: 4915339 (1990-04-01), Halbich
patent: 5186430 (1993-02-01), Ellithorpe

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