SU1203215A1 - Wooden beam - Google Patents

Description

one

The invention relates to construction and is intended for supporting structures of buildings and structures for any purpose.

The purpose of the invention is to increase the carrying capacity by increasing the rigidity of the bonds.

Fig, 1 shows a beam, side view; in fig. 2 shows section A-A in FIG. one; in fig. 3 shows a section BB in FIG. one.

 The wooden beam includes bars 1, made in height, collar tongs 2 with jumpers 3 installed in the grooves 4 of the glue composition 5. Jumpers 3 are oriented along the seam 6 and are placed in the longitudinal grooves 7,

The grooves are selected after hydrophobicization of the bars making up the beam and they cover their vertical side planes on both sides of the beam.

Between the grooves-grooves are located areas of wood, the so-called cores 1 and 8, which are monolithically connected with the mass of the joined bars.

After complete curing of the adhesive composition 5, filling the space between the walls of the ring keys 2 with bridges 3 and

Aa

Editor N. Tupitsa

Compiled by L.Tzuleyskiri

Tehred O. Niece -KorrektorM

Order 8395/36

Circulation 695 Subscription

VNIIPI USSR State Committee

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

Branch NLP Patent, Uzhgorod, st. Project, 4

03215

grooves 4 and 7, the keys are rigidly monolithic in the wood of the beam, which eliminates their compliance when exposed to the structure of external loads. Under these conditions, the mutual shift of the bars 1 is prevented by a solid monolithic connection, including keys, adhesive composition, cores and areas O of wood along the periphery-grooves.

Stripping of the bars 1 and their bulging from the plane of the beam is prevented by ring keys in the glue composition, as well as

15 crushing and chipping across the fibers of the cores and sections of the timber of the bars 1 outside the grooves 4.

Oriented to the shear seam

The 20 bars 1, a jumper 3 of a round through key, embedded in the adhesive composition, excludes the bending of the ring, thereby ensuring greater rigidity of the structure. The presence of a jumper can reduce the material consumption of the key and improve its work in the structure, since it eliminates the work of the ring in the seam area as a monolithic 30 in the adhesive composition of a cylindrical bar, which has a greater deformability when the structure is working, than the monolithic key.

Claims (1)

A WOODEN BEAM, comprising height-parallel beams, interconnected by ring keys installed on the adhesive composition in ring grooves-grooves, characterized in that, in order to increase the bearing capacity by increasing the rigidity of the bonds, each key is equipped with a jumper placed along the seam rallying the beams making up the beam and mounted on the side surface of the beam. ϊ> FIG. /