New possibilities thanks to TS3 technology

20.10.2022

In the recently occupied apartment buildings on the lower right bank of Lake Zurich, the advantages of TS3 technology and timber construction are both tangible and visible: the column-and-plate design allows flexible room partitioning, and the timber ceilings run from the inside to the outside without complex cantilever connections. Learn more here.

A sustainable building is characterized by high ecological and economic quality. In the planning and construction of the two apartment buildings in Zollikerberg, the merkli degen architekten GmbH attached great importance to these aspects. Building materials were carefully selected and used where they made sense.

The fact that timber construction performs well from an ecological point of view is now widely known. Wood has other advantages over other building materials. It does not need to dry out after being installed - buildings are thus constructed more quickly and are ready for occupation sooner. It is lightweight, which allows for smaller foundations. And: wooden buildings offer natural, comfortable rooms with a high degree of coziness. Thanks to TS3 technology, new possibilities are opening up.

Advantages of timber construction combined with the advantages of TS3 technology
The above-ground building is a wooden structure consisting of wooden columns and cross-laminated timber boards connected with cross laminated timber panels. The Timber Structures 3.0 technology, or TS3 for short, is a process that enables large wooden without the joists that have been used until now. These large surfaces can replace concrete in most areas and are also suitable for floor slabs in floor slabs as in Unterhub. TS3 connects timber components via their bending rigidly to each other via their end faces. For decades, this was considered impossible. Ten years of research in collaboration with ETH Zurich and the Bern University of Applied Sciences were necessary to find the solution: A process using a two-component polyurethane casting resin. This resin connects the wooden elements and enables a new timber construction method.

The floor slabs rest only on the supports, which are usually positioned in the outer walls, and the staircase core. and the staircase core. The rooms can thus be designed very flexibly. Inthe positioning plan the columns (points) the few load-bearing walls and the TS3 joints can be seen. A total of 520 meters of TS3 joints were created.

Transition interior-exterior
Transition interior-exterior

Thermal bridges made simple. Due to the low thermal conductivity of wood, there is no need for elaborate cantilever connections. The CLT ceiling simply runs from the apartment to the loggia. This construction method allows the column-and-plate construction of TS3 and the non-load-bearing exterior walls.


TS3 - simple to use
The TS3 technology is a new construction system with a flexurally rigid in-plane connection between cross laminated timber panels. The TS3 connection by means of joint grouting enables the construction of beam-free timber skeletal structures with slender, point-supported panels. By activating the secondary load-bearing direction, wood can be used to build the same ceilings as with reinforced concrete, and that only with conventional cross laminated timber and TS3 joint technology. For the production of TS3 joints, the Timber Structures 3.0 AG trains carpenters and woodworkers. You can find out more here.

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