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Steel Floor Deck Profiles

TYPICAL SYSTEM LAYOUT

Steel Floor Deck Profiles

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TYPICAL SYSTEM LAYOUT

 'Composite deck floors' or 'composite slabs' provide an effective and economical floor slab in a range of building types. They comprise profiled steel decking, in situ-concrete and mesh  reinforcement. The steel decking acts as a permanent formwork to the concrete during construction and then acts compositely with the concrete to produce a strong and stiff long span  floor. Temporary propping is not required in most applications.

 

LOAD CAPACITY

 Composite deck floors are robust and achieve excellent load carrying capacity due to the shear-bond developed between the embossed decking and the concrete slab. Load capacities  up to 15kN/m2 can be achieved, which can be enhanced by additional reinforcement in the slab. Light mesh reinforcement is generally used for fire resistance, and additional  reinforcement required for crack control in exposed application.

 

FIRE RESISTANCE

 Composite slabs have excellent fire resistance and can achieve up to 120minutes fire resistance with simple provision of mesh reinforcement. The exact period of fire resistance is  dependent on: the slab depth: the deck profiles; size of reinforcement and whether normal or light weight concrete is used. Longer fire resistance period can be achieved by placing  additional reinforcing bars in the ribs.

 

ACOUSTIC PERFORMANCE

 The acoustic performance of composite slabs with typical floor coverings is normally adequate for office or other work applications. In applications where a higher degree of acoustic  insulation is required, such as apartment buildings, hotels and hospitals, additional insulation can be provided. The incorporation of resilient layers, or a concrete screed, can enable the  floor to more than meet the requirements of the Buildings Regulations. Sound reduction of 62dB(airborne) and 50dB (impact) are really achievable.

ADVANTAGES:

 

Value benefits of composite Floors

 • Overall lower initials costs

    • High load capacity

    • Safe working platform

    • Fast construction

    • No temporary propping

    • Allow long span

 

Applications

    • Residential

    • Refurbishment

    • Industrial

    • Commercial

    • Buildings extensions

    • Multi-Storey buildings

    • Leisure facilities

  Using composite deck floors can lead to initial cost savings of between 7% and 12% when compared to alternative solutions.

 
Better value for clients is achieved through:

TIME RELATED SAVINGS

 Significant time savings can be made due to the rapid speed of construction. Construction periods for the framework can be reduced by 50%, leading to savings of site preliminaries, and  interest charges.

 

REDUCED FOUNDATION COST

 Foundation cost can be reduced by at least 20% because of the composite slabs light weight.

 

SERVICE INTEGRATION

 Service can be located between and through the steel beams. Openings can be provided in the slabs.

 

INCREASED FLOOR AREA

 Long span solutions decrease the number of columns required, thus increasing the overall floor area which is available. Flexibility of internal layout is also greatly enhanced.

 

SAVINGS ON CLADDING COSTS

 Total building height decreases by typically 5% because of the shallow floor depth, reducing the overall cladding area and therefore cost. Cladding attachments can be made easily to the  slabs.

 

WHOLE LIFE BENEFITS

 Thermal and acoustic performance, fire resistance, durability, benefit the whole life value of the buildings.

 

ROBUST PERFORMANCE

 Composite slabs are robust to impact, and can support high loading for all applications, including industrial buildings.

 

IN-SERVICE BENEFITS

 Attachments for services can be provided into which special hangers can be fitted. Cladding can also be easily attached using special edge trims. Composite floors decks are a high  quality product. Together, the mesh reinforcement and decking, control shrinkage and cracking's of the concrete. The possibility of using long spans gives the occupier flexibility in internal  floor layout and maximizes the amount of space.

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