Technical features

Angled brackets in detail

Construction

Angle brackets are the fastest and easiest way to level differences in height. Please note, that grown soil or frost-proof material that has to be integrated, must be sufficiently compacted according to the static requirements. Grown or filled up soil is to be checked by the site manager for soil properties and load-bearing capacity, which is defined by statics.

The standard calculation of the angle brackets is based on the assumption that the foundation is laid on grown soil: backfilling: γ(gamma)=19kN/m3, ϕ´k(phi)=35°. Should this not be the case, the soil conditions have to be analysed by the responsible site manager.

Connections

Brings together what belongs together. Our angle brackets should only be transported by using the transport loops/sockets attached to the back. Shocks and vibrations must be avoided as they may cause cracks and chippings. After completion of the installation procedure, the sockets have to be filled with epoxy resin. The rear panels of the standard angle bracket are not edged. The connection of the elements among themselves is ensured by either using loops/round steel bars, or alternatively by a bracket connection system with sleeves.

Important: The standard calculation of the angle brackets is based on the assumption that the foundation is laid on grown soil. Should this not be the case, the soil conditions have to be analysed by the responsible site manager. Please note that in case of large corners, a standard piece with shortened base is required that has to be ordered separately. Also, the corner has to be supported by a top layer of concrete of the quality C 16/20, exposure class XC2. For large corners, constructional reinforcement of this top concrete layer is required.

Load cases

Strong partners. For your orientation we show you the most common load cases for angle brackets. Our angle brackets can also be calculated for other load cases. Our team will be glad to provide you with the technical data.

On all our angle brackets, except the Medikant, the live load starts directly (with no gaps) at the top of the wall. If you want to find out more about our different load cases, please call us. We are glad to advise you!

Visible side outside

Visible side inside

T-Kant

Exposure classes

The impacts of various environmental conditions are classified in exposure classes, that may influence concrete, reinforced concrete or metallic parts, and cannot be considered as loads in the constructive calculation. Because of this, follow the requirements of the composition of the concrete that has to be used, as well as the concrete cover and the permitted crack width. The designation of the individual exposure classes is composed of the letters X (for exposure), the identification of the kind of damaging impact, and a number that designates the intensity of damaging influences.

For the different kind of impacts the following English abbreviations are used:
> 0 for zero risk (no exposure to attacks)
> C for carbonation
> D for de-icing salt (changeable chlorides, for instance from de-icing salt)
> S for seawater
> F for frost (frost and de-icing salt)
> A for chemical attack
> M or mechanical abrasion (mechanical attack , e.g. abrasion, wear and tear)
 
In Germany the exposure classes are regulated in the DIN EN 1992-1-1 norm. In contrast to the version from 2001 the exposure classes were expanded with the exposure W (concrete corrosion caused by alcaline-silicic acid-reaction). For this exposure no minimum concrete strength class is assigned.

Overview exposure classes

Concrete quality

PRIVANT
Constant cross-section h = 10 cm

Generally suitable for exposure classes XC1-XC3, XA1 (concrete strength class C30/37)
> optionally (concrete strength class C30/37 (LP)) or C35/45, then other exposure classes are possible

 

MEDIKANT
Constant cross-section h = 12cm

Generally suitable for exposure classes XC1 – XC3, XF1, XA1 (concrete strength class C30/37)
> optionally (concrete strength class C30/37 (LP)) or C35/45, then other exposure classes are possible

 

GIGANT
Constant cross-section h = 15cm

Standard (concrete strength class C30/37)
All sides XC1 – XC3, XF1, XA1
> optionally (concrete strength class C30/37 (LP))
Allseits XC1 – XC3, XF1 – XF4, XA1 – XA2
> optionally (concrete strength class C30/37 (LP))
All SIDES XC1 – XC4, XF1 – XF3, XA1 – XA3
(XA3 only attainable if additional measures on site are being taken!) 

 

Constant cross-section h = 20cm and h = 25cm

Standard: (concrete strength class C30/37; only with cnom = 50mm)
XC1 – XC4, XS1 (without Sprühnebelbeaufschlagung!) XD1, XF1, XA1
> optionally (concrete strength class C30/37 (LP); only with cnom = 50mm)
XC1 – XC4, XS1 – XS2, XD1 – XD3, XF1 – XF4, XA1 – XA2
> optionally (concrete strength class C35/45; only with cnom = 50mm)
XC1 – XC4, XS1 – XS3, XD1 – XD3, XF1 – XF3, XA1 – XA3
(XA3 nur durch zusätzliche bauseitige Maßnahmen erfüllbar!)

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