In addition to improvements to the design, modifications considerably facilitate the ordering process and on-site handling. The standardized product now consists of 2 standard length units and 5 standardized components.
Most of the joint geometries can be designed easily with the moulded components, produced and delivered more efficiently. Due to different plate thicknesses, these standardized components are produced on a project-specific basis and are delivered with the corresponding joint plan for on-site installation.
By using Stremaform®, differing joint geometries can be composed from a small quantity of modular components.
The advantage: 70% of the usual day joints in floor slabs or walls can be easily designed and produced with a combination of 2 standard length units and 5 moulded components.
The following video provides an overview about the possibilities of these modular components:
Floor slabs always have a project-related individual component height. Therefore, we develop and produce the Stremaform® units with the installation widths according to the project requirements.
Depending on the slab thickness, we recommend different variants due to the concreting pressure.
The following video shows the three production variants of Stremaform® for use as a floor slab formwork in day joints:
Stremaform® can be installed as formwork for concrete elements - from simple to highly complex cross-sections such as in tunnels.
Depending on the shape of the cross-section and the course of the joint, a specific finishing stage for the ordering process is recommended. This facilitates the coordination effort and thus leads to a shorter delivery period.
Watch this video to get an idea of the advantages of the corresponding finishing stages:
When concreting floor slabs and walls, Stremaform® formwork for working joints is subjected to the highest static loads. The concreting pressure increases depending on the concreting speed and also due to vibrations of the concrete.
The combination of concreting speed and the vibrations are caused by the jolting effects horizontal forces which press on the vertical formwork material. There is a sample static calculation for Stremaform® which determines the maximum horizontal forces from the dynamic loadings of the concreting. We have simulated these static predictions in concreting tests and have also examined them regarding their practical use.
Watch the following extracts from the video documentation: