SU1214883A1 - Ferroconcrete twin-branch column - Google Patents

Description

The invention relates to the construction, in particular to reinforced concrete columns of single-storey progressed buildings with bridge cranes, and can be used in the construction of buildings with built-in floors, technological platforms, anchor supports of skeletons.

The aim of the invention is to reduce the consumption of materials and simplify the manufacture of the column.

FIG. 1 shows a reinforced concrete two-legged column, general view | in fig. 2 shows an embodiment of the column, the crane branches of which are angled to each other, converging to the foundation; in fig. 3 - connection of the crane branches and the over-branch branch of a hollow steel cross beam for welding; in fig. 4 - traverse, cross section.

A reinforced concrete two-legged column includes a nadkranovuyu branch.1 and two. Subcrane branches 2, which are made by the centrafugiroTynnyki. Subcranes and crane branches are provided with trussed cone 3 casing. The column also contains the yoke 4, made in the form of a box-type lattice metal structure, combined at the ends of the column branches. The crane branches of the column are connected by a spacer 5 with detachable joints 6.

The branches of the column are molded in the form of tubes by a centrifugal method on flow lines intended for the manufacture of single branch centrifuged columns of crane-free buildings, i.e. special formwork is not required for their manufacture. The assembly may be carried out on a special stand containing the guides of the role- KHs or at the factory, whether. bo directly on the construction site. In the latter case, transportation costs are significantly reduced.

Increasing the stiffness of the branches by replacing the continuous cross-section with a ring of 5 rings, as well as increasing the strength of concrete due to centrifugal compaction, allowed replacing rigid struts and braces between the crane branches with a light removable strut installed during the transportation and installation of the column. The supporting crane spindle can also be carried out on detachable joints, which simplifies the pre-assembly.

The conical shape of the inset cages and the presence of side openings in them increases the reliability of the junction points of the crosshead with the branches.

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FIG.

Editor M. Bandura

Compiled by T. Lakhno

Tehred M. Gergel Corrector L. Pilipenko

867/45 Circulation 729 Subscription

VNIIPI USSR State Committee

for inventions and discoveries 113035, Moscow, Zh-35, Raushsk nab, d. 4/5

Branch PPP Patent, Uzhgorod, st. Project, 4

Claims (1)

REINFORCED CONCRETE TWO-BRANCH COLUMN, including crane and supercrane parts interconnected by means of a beam, characterized in that, in order to reduce material consumption and simplify manufacturing, the beam is made in the form of a box-shaped lattice metal structure, and the column branches are made at the ends connected by a beam, the shape of a truncated cone and equipped with metal clips with holes, and the column is equipped with a hollow removable spacer that combines the crane branches. _from SS (L ke 00 od 1 1214ί