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Elements

 

Holes in the core

Every 5 cm at the top and bottom of NAILweb beam core there are prefabricated punches.

By simply striking at these circular punched out areas 20 cm diameter holes are made. These holes are used for electrical and pipe installations.

Bigger holes can be made under these conditions:

- at minimum 80 cm distance from support,
- height of the opening must be less than 2/3 core height,
- beam must be stiffened at least 3 times of the opening length or height.

SPLAY BEAM TAIL

The end of NAILweb beams above support can be splayed. If splayed part of the beam is outside of support are additional stiffening of the beam is unnecessary.

If splay of the beam is at support area following conditions must be observed:

1. Splay angle must be more than 45.
2. Distance from support axis to internal splay edge must be not more than 30 cm.
3. The beam must be stiffened with timber plates forcibly joint with bars from both sides.

MOUNTING DIRECTION

Sijos NAILweb gaminamos su iskilumu. Todel jos turi montazo krypti, kuria butinai reikia islaikyti. Virsutinis tasas yra pazymetas antspaudu "Virsus".

REQUIREMENTS FOR SUPPORTS

Beam supports must be:

-Even,

-Correspond to design height,

Minimal support depth:

- 7 cm for tail supports,

-10 cm for continuous beam in between supports.

WAYS OF INSTALLATION

NAILweb beams are installed as standard stringers:

- In-between masonry,

- In linings of mass production beams (HVV, EUP, BMF, bierbach etc.),

- On edges of masonry, metal flanges etc.

The depth of support must not be less than 7 cm with every case

Belt must be mounted on the top part so beams do not shift because of their height.

EUpward support force must be compensated with upturned lining under wind soaking load.

TIGHTENING AGAINST SIDE TRUNING

According DIN 1052 standard the NAILweb beam bars under pressure must be protected from side movement.

Examples of tightening against side turning

- Vertical timber plates between bars,
- Massive timber bars positioned across

Distance between stiffening points depends on load, pressure and bar rigidity. The distance must not be more than 4.0 m

In order to achieve good results the stiffening points must be interconnected with steady, horizontal support.

EXAMPLES OF CONSTRUCTIONS:

1. Floor covering, carpet cover

1b. Tile covering

2. Concrete seamless flooring

2b. Insulating film

3. Veneer or plywood finish

4. Insulating band.

5. NAILweb ceiling beams

6. Thermal insulation if needed

7. Strips

8. Plaster cardboard plate

More examples in gallery. Click hereClick to open gallery

NAILweb BEAMS CORROSION PROTECTION

The metal cores of NAILweb beams are made from galvanized steel tin. Initially steel beams are degreased and then hot galvanized applying 285 g/m zinc coating (strip galvanization). This zinc coating ensures perfect corrosion protection of NAILweb beams cores.

Such corrosion protection is satisfactory for premises where average comparative air humidity is more than 70 %, for constructional parts under roof, which are constantly exposed to atmospheric conditions, under comparatively low corrosive loads (application field listed in DIN 1 052 standard second part table no.2 left side segment).

If corrosive load is higher (constructional parts under roof constantly exposed to atmospheric conditions under average corrosive load), the additional layer is applied on the 285 g/m 2 zinc coating according DIN 55 928 standard fifth and eighth part. Such coating enables usage of NAILweb beams for application field listed in DIN 1 052 standard second part table no.1 middle segment.