Static structures (e.g. – buildings) – Tensioned or flexed sheet facing
Patent
1980-12-09
1983-09-27
Bell, J. Karl
Static structures (e.g., buildings)
Tensioned or flexed sheet facing
52584, E04C 320
Patent
active
044061021
ABSTRACT:
A precast concrete silo complex and a method of constructing it, in which quarter-cylindrical precast concrete members, constituting unit members, are each provided with a pair of radially protruding couplings near both the ends of the member, and the unit members are arranged to form unit cylinders. The unit cylinders are arranged lengthwise and crosswise, with the couplings facing the couplings of adjacent unit cylinders for defining a coupling space between each two adjacent unit cylinders. Horizontal clamp rods extend through the coupling spaces between the end portions of the unit members and between the couplings, and concrete is provided in the coupling spaces. The horizontal clamp rods are tensioned to clamp the end portions of the unit members and the couplings, to give prestress to the concrete, thereby combining the adjacent unit cylinders and solidifying the unit cylinders arranged lengthwise and crosswise. The unit members are joined vertically by mortar, and vertical clamp rods extend vertically set the unit members and are prestressed to apply prestress to the assembled unit cylinders, solidifying the complex vertically. Thus silo cylinders having a desired height are provided which are solidified lengthwise and crosswise, and which the inside of the silo cylinders constitute the main silo spaces and the spaces formed among the adjacent silo cylinders constitute sub silo spaces.
REFERENCES:
patent: 2808624 (1957-10-01), Sullivan
patent: 3289366 (1966-12-01), Abrams
patent: 3853277 (1974-12-01), Bush
patent: 4232495 (1980-11-01), Lin et al.
Kato Kunio
Tamura Yoshihide
Bell J. Karl
Taisei Kensetsu Kabushiki Kaisha
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