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Voided biaxial slabs are reinforced concrete slabs in which voids reduce the amount of concrete. While concrete has been used for thousands of years, the use. Cobiax [1] slabs contain synethic void forming modules making slabs up to 35% lighter. This has a huge benefit for floor slabs in buildings as. efficient economic sustainable lightweight concrete slabs. Germany. Heinze Cobiax Deutschland GmbH. Otto-von-Guericke-Ring D Wiesbaden.

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Investigations according to Eurocodes made at universities in Germany, Netherlands and Denmark, conclude that a voided biaxial slabs acts like as a solid slab. All these advantages, added together, increase the profitability of the project considerably.

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Cobiax technologies avoid these limitations — they enable wider scopes, which offer completely new opportunities for use, as required.

According to the contractor this may be caused due to the high temperatures during construction. Of these types, only waffle slabs can be regarded to have a certain use in the market. With Cobiax voided flat plate slabs, earthquake certification is easier; the reduced moving load is dynamically more tolerant than a conventionally designed building.

Savings in useful height on each level as sla are no emerging beams. By using this site, you agree to the Terms of Elab and Privacy Policy. Slim-Line Void former fobiax to mm Slab depths 20 to 34 cm. In many cases, the limited depth required for the slab, means that more storeys become possible.

Mission Leadership Trinity People History. No need for special trained staff or waiting specialized sub-contractors.


Voided is more capable

Cobiax History The Cobiax history is one of safe, sustainable and profitable innovations in the building industry: Simple handling All of the Cobiax products are easy to lay; the Cobiax CLS technology considerably reduces the need for reinforcement. The overall floor area can be divided down into a series of planned individual elements, up to 3 m wide dependent upon site access, which are manufactured off-site using MMC techniques.

Thanks to the reduced weight of cboiax slabs, distortion of the ceilings themselves is reduced, and the building retains its shape better. By planning with Cobiax, architects clearly underpin their innovativeness and their commitment to modern, contemporary building methods. At the beginning of every pioneering development, there are visionaries who turn theoretical possibilities into reliable technology.

Although not reinforced, coffers were used to reduce the weight. Cobiax voided flat plate slab systems enable larger areas to be spanned, at the same weight.

Quick and easy to implement. No beams between pillars. August Learn how and when to remove this template message.

What we mean by that? Double slab, upper and lower. Due to the specific shape of the voids, there are no issues with internal pressure. For a voided biaxial slabs with spheres the shear resistance is proportional to the amount of concrete, as the special geometry shaped by the ellipsoidal voids acts like the famous Roman arch, enabling all concrete to be effective.

The system could be done by ordinary labors of the general contractor. Views Read Edit View history. Several methods have been introduced during the last decades, but with very limited success, due to major problems with shear capacity and fire resistance as well as impractical execution. Furthermore, thanks to the thinner walls and the fact that no support columns are required, the usable space increases. Profiling Building with Cobiax always means making a commitment to future-oriented solutions in the area of resource conservation and sustainability.


Voided Concrete Slabs

The concrete then flows into the correct static structure; the formers keep the voids open. Properties Degradation Cobixa impact Recycling Segregation in concrete Alkali—silica reaction. The limited thickness of the slabs is advantageous for the planning coboax the foundations and substructures: The soffit has a flat surface that is ready to finish and does not require a false ceiling for aesthetic purposes.

With Cobiax technologies, these beam constructions are no longer necessary — building time is reduced and the building can be put into operation sooner.

Economical and easy to transport, handle and store, also outdoors. Or just follow the impressive presentation, both visually and acoustically.

Leave out as much concrete as possible whilst maintaining the full flexural strength of the slab and allowing a bi-axial load transfer. These s,ab comprise the top and bottom reinforcement mesh, sized to suit the specific project, joined together with vertical lattice girders with the void formers trapped between the top and bottom mesh reinforcement to fix their optimum position.

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