Abstract
It is reported on first results regrading a novel column-to-slab connection suited for multi-storey timber buildings.
The emphasis is on the development of a new constructive solution for a scalable, bespoken connection type, which enables to overcome today's rigid rectangular floor grid restrictions, thus enabling open-plan and flexible space architecture.
The paper firstly reveals some of the recent developments of column-to-slab solutions in engineered timber construction.
Then the constructive detailing, the finite element based modelling and some test results of a bonded connection, manufactured exclusively out of wood, are presented.
The novel solution is based on specific orthogonally layered and stepped inserts, based on laminated veneer lumber (LVL) from beech wood, which are bonded into precisely fitting cavities in the CLT.
The connection enables a multidirectional load transfer, being a prime requisite to enable biaxial plate action of the CLT elements, which span today almost exclusively uniaxially in their strong direction.
The detailing and foremost the manufacture of the developed connection relies essentially on high precision CNC milling, which plays a key role in advanced timber connection solutions.
This is especially true for the case of bonded connections which require very small tolerances.
The novel connection was developed within the frame of the Science Cluster of Excellence IntCDC (Integrated Computational Design and Construction for Architecture), allocated at the University of Stuttgart.
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