Static structures (e.g. – buildings) – Multiroom or level – Multilevel
Patent
1976-08-23
1977-12-06
Murtagh, John E.
Static structures (e.g., buildings)
Multiroom or level
Multilevel
52259, 249 19, 52587, E04B 118
Patent
active
040609480
ABSTRACT:
A structural frame for a building constructed of different sized precast reinforced or prestressed posts and beams permanently united at the job site by means of unitary poured concrete joint. Posts and beams are precast and will be used in the erection of the building when they have reached their maximum strength. Only sufficient concrete will be poured at the job site, as needed, to unite the posts and beams. Sleeves are molded in axial bores disposed in the ends of the posts. Metal rods disposed in the sleeves and bottomed in the bores are used to support an upper post a predetermined distance above the top surface of the adjacent lower post to provide a space in which the joint may be formed. Horizontal beams are externally supported with their ends adjacent and above the upper end of the lower post and flush with the vertical wall of the post. The horizontal beams do not rest upon the post. The cavity defined by the opposing ends of the posts and beams is enclosed with a form into which concrete is poured at the job site to form a unitary joint uniting the precast posts and beams.
REFERENCES:
patent: 865336 (1907-09-01), Gardner
patent: 980480 (1911-01-01), Bishop
patent: 1060853 (1913-05-01), Peirce
patent: 1214964 (1917-02-01), Small
patent: 1514245 (1924-11-01), Ambursen
patent: 1907707 (1933-05-01), Baker
patent: 3495371 (1970-02-01), Mitchell
patent: 3594971 (1971-07-01), Hughes
patent: 3618278 (1971-11-01), Mouton
patent: 3696567 (1972-10-01), Villaneu
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