Underground shock-resistant structure

Details Underground shock-resistant structure Underground shock-resistant structure

1990-06-07

1991-09-17

Murtagh, John E.

Static structures (e.g., buildings)

Specified terranean relationship

Subterranean enclosure with portal opening; e.g., storm or...

52 80, 109 1S, E02D 2900, E04H 912

Patent

active

050482440

ABSTRACT:
An underground shock-resistant structure comprises a vaulted roof having a ring configuration as viewed from above and a ring-shaped base member, such as a flat floor, joined to the inner and outer edges of the vaulted roof. The external surface of the vaulted roof has a continuous convex configuration with a slowly varying radius of curvature and no change of signal such that over pressures and shockwaves striking the external surface of the vaulted roof apply compressive pressures to the vaulted roof and are deflected by the surface. Optionally, there may be one or more basement levels below the flat floor which are enclosed by inner and outer walls having a ring configuration which are joined to the inner and outer edges of the vaulted roof. In another option the flat floor may be replaced by an arch with its concavity facing upwards joined to the inner and outer edges of the vaulted roof.

REFERENCES:
patent: 795934 (1905-08-01), Julian
patent: 2346196 (1944-04-01), Starret
patent: 3164111 (1965-01-01), Lanni
patent: 4660334 (1987-04-01), McCarthy

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