Static structures (e.g. – buildings) – Tensioned or flexed sheet facing
Patent
1980-02-27
1982-03-02
Bell, J. Karl
Static structures (e.g., buildings)
Tensioned or flexed sheet facing
E04H 1212
Patent
active
043173179
ABSTRACT:
A liquid storage tank of the type which has a base, an annular concrete sidewall seated on the base and free to shift laterally thereon as it shrinks and expands, and a multiplicity of horizontal tension hoops embracing the sidewall is provided with a multiplicity of tension rods which are anchored in the base and extend upwardly out of direct contact with any part of the tank sidewall and have an upper end portion above the plane of the top of the sidewall. A fitting operatively engaged with the upper end portion of each tension rod bears effectively perpendicularly upon the top of the sidewall to pull on the tension rod and force the sidewall strongly toward the base. Provision is made for lateral motion of the lower portion of the sidewall relative to the tension rods which is necessary to minimize the effect of stresses resulting from wall curing, wall compression during horizontal post-tensioning, expansion and contraction.
REFERENCES:
patent: 3233376 (1966-02-01), Naillon et al.
patent: 3568379 (1971-03-01), Johnsson et al.
patent: 3568385 (1971-03-01), Cruset et al.
patent: 3605362 (1971-09-01), Sweeney
patent: 3965630 (1976-06-01), Roberts
patent: 4015383 (1977-04-01), Crowley
patent: 4069642 (1978-01-01), Hendriks
patent: 4075801 (1978-02-01), Alper et al.
Kilts Harold J.
Swaziek Laurence J.
Bell J. Karl
Chromalloy American Corporation
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