With an Elascon Timber-Concrete Composite structure the usable load bearing capacity of a timber-beamed ceiling may be double or even trebled, even though the weight of the ceiling increases.
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It may be heavier, but it offers greater strength.
The great advantage of an Elascon Timber-Concrete Composite is its ability to render the mass (concrete) statically functional. Owing to the high modulus of elasticity of the concrete and to the corresponding concrete layer thickness, the net load bearing capacity (being the weight in excess of its own weight that may act on the ceiling structure) of the composite at C-TC-S (concrete compression zone supported on the on the beam is increased by the factor 3. Example: A timber ceiling without Timber-Concrete Composite supports 200 kg per square metre. Despite the introduced concrete mass of ca. 150 kg, the finished ceiling will later support 600 kg per square metre.
In the composite, the height of the concrete layer enters into the sizing with the factor 4, so that the large supporting reserves of the composite are activated. With the Elascon C-TC-F variant, where the concrete is added until flush with the upper beam edge in the false floor area, the load bearing capacity may be approximately doubled, as here no cross distribution takes place. Each field must be regarded statically as a single joint.
Special software helps with the calculation
The timber beams of the timbered ceiling and the beam ends must be functioning. They constitute the restraints for the composite structure. Equally, all load diverting components must be checked for adequate rigidity. Our static calculation program listings indicate exactly, which superimposed loads are transmitted to the components that are provided to take up the loads,(walls, foundations, under slung elements). These values then make it possibly to plan and verify the load diversion right down to the foundations.