SU844712A1 - Building roof block - Google Patents

Description

one

The invention relates to the construction and is intended for the erection of coatings of industrial buildings using large-block installation and conveyor assembly.

A coating unit is known, which includes subrafter blocks on which truss trusses with flashlight structures are installed, with girders installed along construction truss and flashlight structures, and longitudinal structures of the flashlight are made in the form of dual-console rigid bearing panels mounted transversely to the upper truss trusses one.

The disadvantage of the known block is the presence of several independent groups of structures, each of which performs its own function, which leads to a large number of elements and an increase in the consumption of steel and labor.

Also known is a block covering the industrial building, which includes roof trusses, the faces of which are set obliquely to one another, runs laid on the lower part of the floor, and flooring.

The disadvantages of the known block are the large, material consumption of the coating and the labor costs for installation, although the construction farms perform the combined functions of both supporting structures and the design of a lantern.

The aim of the invention is to save materials and reduce labor costs.

This goal is achieved by the fact that in the building coverage block, including

10 flat roof trusses, set obliquely to one another and connected by the upper ones themselves, the purlins and the flooring, the purlins are placed under the lower ones by the farms themselves and are fixed solo to the diluted lower ones by the farms themselves.

FIG. 1 is a general view of the coating unit in FIG. 2 - section A-A of FIG. one.- .

20

The coating unit includes truss trusses 1, inclined one to the other in such a way that they form a spatial triangle, without a right angle, having two spaced sa 2 at the bottom and two paired sa 3 at the top. Cantilever girders 4, which are simultaneously spacers, are attached to the nodes of the bottom two. On flat. Inclined trusses 1 30 lampposts 5 are hung.

The carrier element of the roof 6 rests directly on the runs 4. The distance a between the lower ones of the inclined farms themselves is chosen depending on the size of c.

 When the distance between the columns 7. is greater than the distance a between the lower along the truss trusses of the block, the latter can be supported, for example, on the trusses 8. For sensing the horizontal forces along the columns in the extreme panels of the block, links 9 are established. lower by themselves 2 tension protective mesh 10. On top of they are covered with a leg 11 of galvanized steel. The gib is attached to self-tapping bolts or dowels.

Cantilever girders are attached to the nodes of the lower part of the truss, which are also spacers, while flat, inclined trusses simultaneously perform the function of lamp trusses located across the span, on which, for example, lampposts are hung. The nodes of the upper part of the trusses are connected by bolts or electric welding, and cantilever girders are bolted at the nodes of the lower parts of the farms or electric welding. The supporting element of the roof, for example, profiled flooring, is supported directly and fastened to the girders.

Flat trusses, which are assumed to be of the same height for different spans of the building, can be supported or cantilevered with a triangular, fan-shaped or mixed grille, which makes it possible to select a truss grille that works mainly.

for a distance. Combining the functions of a truss and lantern truss allows refusing the construction of a lantern, and fixing cantilever runs to the lower trusses themselves, reducing the overall height of the building and not performing special bridges and platforms for access, repair and painting of luminaires, fire extinguishing systems,. supporting structures of coating, communications and other devices, production of work with bridge cranes.

In comparison with the known structures of the coating units, the use of this invention allows to obtain a reduction in the mass of the metal by 10-15%,

5 reduction of materials by 1.3 times and the number of elements.

Claims (2)

1. USSR author's certificate 588321, cl. B 04 B 7/14, 1973. 2. Trofimov V.I. Fencing of structures from stretched aluminum surfaces, Moscow, Stroyizdat, 1975, p. 104, fig. 41. P m JJ 11 k - lg. / - “city /