Floor with profiled sheeting. Factory, Vedelago (TV)

CTF and DIAPASON metal floor connectors fixed using a nail gun

  • Date: 2012

  • City: Vedelago, Treviso (TV)

  • Type of work: new profiled sheeting floor using CTF and DIAPASON connectors.

Floor with profiled sheeting.

An intermediate mezzanine floor was required inside a prefabricated concrete industrial building. It was decided to create a modular metal structure designed in compliance with anti-seismic requirements.  However, this new intermediate floor required a high loading capacity. The solution chosen was a structure with steel columns and beams, profiled sheeting floor and connected slab. The use of a composite structure meant a significant reduction of the total thickness of the floor and the weight of the whole structure, whilst ensuring high load-bearing capacity and anti-seismic characteristics. The assembly operations did not pose any problems, because the cut-to-measure steel beams could be easily carried inside the building and put in place, creating a double-joisted metal structure. The profiled sheeting floor was secured to the structure using connectors.

Diapason connectors which provide a high level of performance were fixed to the main beams (which needed to support higher loads) using a Spit 560 nail gun, while CTF connectors were fixed to the secondary beams through the profiled sheeting to distribute any stress. A chalk line was drawn, centering the beam covered by the profiled sheeting, to identify the line of the CTF fixing points. After reading the instructions on how to use of the gun, the operator worked in complete safety, wearing goggles, acoustic protection and gloves, all of which are supplied together with the nail gun. CTF and DIAPASON connectors can be fixed in place using the same Spit P560 nail gun, although they require two different adaptors (see). To make sure that the CTF connectors are correctly fixed, random “mechanical tests” are carried out by inserting a metal tube in the connector and then bending 45° left and right. If the base plate stays well anchored to the beam, the connector passes the test.

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