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Bosfa/Flooring/Page 5

The project was designed under ‘crack width’ consideration. With benefit of steel fibre, we could utilize the performance of steel fibre together with conventional reinforcement to act as moment resistance and crack control at the same time. The design provided a cost effective solution which met both ultimate and serviceability requirements.

High performance steel fibre Dramix®  4D plus mesh was used to carry 140kN post load. The Combi Slab solution makes it possible to design a monolithic slab, without joints, to meet tight rotation requirements from ASRS supplier. Providing an exceptional finished product.

Coca Cola Amatil new Distribution Facility in Queensland Australia, a 30,000m2 warehouse. This warehouse includes 9,000m2 of High-Bay Racking with an automated storage handling system. At 35 metres high, and with post loads of 27 Tonnes, the most suitable solution was a Seamless Combi Slab.   The remaining 21,000m2 uses our more typical Jointless slabs with Dramix 3D 65/60BG at 30kg/m3. With Dramix 4D initialised in the many foundations on the project as well.   McVeigh consulting engineers worked very closely with BOSFA and Bekaert® in determining the right solution for the Combi Slab to accommodate the different sorts of loading that will be applied to the slab. And they were able to utilise our Bekaert® Software to confirm the designs themselves for the fibre only slabs and the foundations.  A great example of everyone working together, with the tools available, to achieve the best possible solution in multiple applications on the one high profile project.

11,000m2 External Container Pavement (Independent Real Estate Consortium)

Dramix 4D Combi Slab allowed for significant reduction in slab thickness from Conventional Design, including Client requirement for fully-loaded Container Pavement (no BPA reduction factor applied), the removal of Saw Cuts also attractive for long-term maintenance savings.

As any owner of a commercial facility knows the concrete slab is the life line of the operation, if it fails its very difficult to operate and keep up the demands of the day to day efficiencies required of any commercial operation. This is why the Dramix Combi Slab option offers such a perfect solution. With the removal of not only saw cuts but also dowelled joints, the risk of the slab not being operational from a damaged joint is completely eliminated.
With the removal of joints the overall slab can also be designed thinner and more robust and this is why container yards are now opting for this solution, the benefits far out way the risk of a failed slab.
Well done to Kerman’s, Perth Concrete Services and Holcim for an excellent job.

Dramix warehouse slab designs offer greater design efficiencies. The Stihl warehouse has now been in operation for around 4years now and is performing very well. Yet another example of how well a Dramix steel fibre reinforced slab does perform.

This 48,000m2 floor area facility will be used to store tobacco leafs, process and final packaging. Initial design was using 40kg/m3 loose low performing type fibre. With the combined effort with our partner Infratex Environmental Services Philippines Inc – Bekaert®’s proposal was to use a high performance fibre floor solution at a lower dose rate.

This is the first Dramix slab on pile project in Malaysia. Pile spacing is 3.2m x 3.2m grid, the slab is resting on 200mm x 200mm square pile. No pile caps are required for the construction of the slab. The floor is constructed by Asia Powermix with TK Flat Floor Malaysia.

Griya Idola Industrial Park just launched a new industrial area in Tangerang, west of Jakarta. The pavement is prepared for heavy truck loads and long term usage. Original design is 300mm thick slab with K400 concrete reinforced by 2 layer of wiremesh M8. This was completely replaced with Dramix 3D fibres, first slab was cast in 2014 and still continue until today.

Tobacco industry remains high in South East Asia, some producers are opening new production facilities or upgrading their production facility. Due to superior performance against cracking and to minimize slab joints. A Dramix solution was chosen to upgrade two production facilities one at British American Tobacco in Malang, East Java and the other at Japan Tobacco International (JTI) in Malang. Both production facilities in Pasuruan utilise the same high performance Dramix solution.

After repairing, a topping layer has been added with 6cm of thickness and 12kg/m3 of Dramix 3D steel fibre. The concrete is also mixed with crystalline admix to reduce concrete permeability. The concept is quite interesting. Dramix fibre helps to limit crack width of the topping, while the crystalline admixture assists with pore blocking and self-healing the micro crack by nano crystals. Both products work very well together to offer to a offer the best solution.

The new 27,000sqm Northline facility in Regency Park, South Australia utilised the tried and tested Dramix fibre only jointless solution for the internal slabs. With the external slabs adopting a Dramix Combi Slab, enabling the removal of all saw cuts and all dowelled joints from the pavement. Having no joints makes for the most efficient design with the additional benefit of long term reduced maintenance cost with the removal of costly jointing systems.

Design Engineers
BOSFA / FMG Engineering
Contractor
Maranello Concrete Constructions PL

The external yard pavements, which are heavily worked, were designed without saw cuts and had armoured full depth high moving plate dowels at 25m centres.