BT Formwork beams

Technologien und Beratung für den Betonbau - B.T. innovation

Innovative solutions for formwork technology

Formwork technology for precast concrete elements and construction sites

B.T. innovation produces high-quality and innovative applications for formwork construction, especially for precast concrete elements and for the construction site. Customers benefit from time-saving and practical solutions for the requirements of modern concrete construction and formwork technology.

Especially in today’s versatile construction industry, the demands on concrete as a building material have increased. Instead of uniform concrete buildings as in the post-war period, construction methods have evolved significantly. In addition, new shapes, colors, functions and ways of use have been added, which also require changed processing techniques and skills.

B.T. innovation produces solutions for formwork technology that meet modern requirements and at the same time are easy to handle. The focus is on combining traditional and established concrete construction methods with new materials and forms. This results in high-quality concrete parts that are produced efficiently, cost-effectively and in a time-saving manner.

Products such as Syflex have been specially designed for work on construction sites. However, suitable solutions are also available for the production of prefabricated components. The construction of classic wooden formwork in particular is often very time-consuming and cost-intensive. This results in large resource expenditures and long production times. These efforts are reduced to a minimum with the formwork construction of B.T. innovation.

Different formwork systems are available for this purpose. MagFlex® formwork is extremely flexible and can be used especially for concrete components with a wide variety of curves. The MagSwing® formwork, on the other hand, has integrated magnets and a smooth top surface. These formwork elements are used especially for element slabs and double walls. Furthermore, B.T. innovation offers, for example, FlyFrame® for particularly lightweight structures, U-shaped formwork and the MultiForm formwork girder system.

Formwork technology has become an indispensable part of the construction industry. A concrete form is a special mold into which fresh concrete is poured to produce concrete components of various types. After the fresh concrete has hardened, the shell is usually removed from the new component. A formwork is thus a kind of negative for a concrete component. The geometry and dimensions of the component are defined beforehand in the formwork plan, the construction itself in the subsequent formwork plan.

The formwork as well as the corresponding substructures require a high and safe stability so that the loads from the fresh concrete can be transferred both horizontally and vertically. For this purpose, they require high stiffness to ensure dimensional accuracy and to avoid undesirable deformation.

The formation of the surfaces of the component is determined by the structure of the formwork skin. For surfaces as well as edges and joints, the formwork must guarantee absolute strength and accuracy of fit at the same time.

Formwork systems are often distinguished between fixed formwork and standing formwork. The last are most often used for ceilings, walls, pillars and columns. Furthermore, there are movable special formworks such as the climbing and sliding formworks for vertical components in walls, slabs and shafts.

During the production of the formwork, shuttering, reinforcement and concreting are started. This is followed after a certain time, the so-called stripping period, by the stripping itself. The time period depends on factors such as the size (e.g. formwork floor slab), the location of the formwork, the temperature, the concrete type and type (e.g. exposed concrete), as well as the loads on the future components.

The time periods for the formwork technology are very different. Side forms used in the concreting of a road usually take only five minutes to be removed from the concrete. On the other hand, the supports under ceilings that are switched off must remain in place at temperatures below 5° Celsius for up to 28 days.

Further special requirements are necessary for the formwork, e.g. in bridge construction, for the foundations of large buildings and for system formwork. Here, the load limits are very high, and high stability and moisture resistance must be absolutely guaranteed.

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