A floor slab (also called plate slab or filigree slab) is a reinforced concrete slab with a minimum thickness of 5–6 cm. Depending on the concrete covering and reinforcement, it can be up to 7 cm thick. The floor slab is a semi-precast component that includes the lower floor slab reinforcement that is required for structural reasons.
The floor slab is precast in the precast concrete component factory under ideal conditions, and contains the torsionally stiff reinforcement (truss) that is required to give stiffness once installed, as well as the flexural tension reinforcement, lengthways and crossways, that is required for assembly and the final state. The floor slab is made into a solid and monolithic reinforced concrete floor by using mix-in-situ concrete that is poured at the construction site. The thickness of the finished floor slab is between 12 and 30 cm, depending on the span and the loading. The protruding truss reinforcement and the concrete surface itself provide the required anchoring, ensuring good bonding and adhesion between the finished part and the mix-in-situ concrete.
Apart from some differences in the measurement of the pushing force, the floor slab can be regarded from a structural point of view as being the same as a floor that has been produced on site with concrete poured into casing. The floor slab thus combines the major advantages of prefabrication with the advantages of floors that have been produced on site with concrete poured into casing.
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New Caledonia, the dream island, relies on precast concrete construction
New Caledonia, the French archipelago in the South Pacific, 2,000 km away from the Australian coast is among the world's most popular vacation destinations with temperatures between 20 and 30°C and gorgeous beaches and diving resorts. In pursuing the construction of new buildings for residential areas, public administration and touristic projects , state-of-the art precast production techniques are used. Architecturally attractive single-family homes, multi-storey residential buildings will be produced as well as hospitals, schools, entire hotel complexes and industrial halls. The precast plant of the LBDP Group in New Caledonia completed in April 2014 will produce floor slabs and double/sandwich walls as well as columns and beams in future.
Precast concrete parts for the emerging India
The Indian construction company Precast India Infrastructures Pvt Ltd. has responded to the high demand from the local construction industry for solid walls, solid floors and floor slabs by opening a new production plant. The state-of-the-art pallet circulation system in the city of Pune in Western India is designed for an hourly production capacity of up to 120 m2 precast concrete parts. The production technology was supplied by Vollert Anlagenbau.
The new CDLP precast plant in France impresses by its intelligent work processes
In order to be able to produce precast floor slabs and double walls economically and to be able to react flexibly to fluctuating demands, CDLP focused from the outset on a sustainable plant concept with flexible work processes that had been thought out to the end. The plant, which was completed at the end of June 2011, is therefore tailored precisely to the environmental conditions and to the precast concrete elements to be produced.
Hitting the „Wall“ on the Head for Success
It took SPL in France no more than a few weeks to begin manufacturing precast concrete floor slabs and double walls on the new production plant. Vollert has left with SPL the most competent and experienced impression for the overall planning in its capacity as machine builder and general contractor and supplier of know-how. The market entry into the new activity field started from the very beginning without any difficulty, hence.
Precast factory explore manufacturing, Laing O’Rourke
Laing O’Rourke is the largest privately owned construction solutions provider in the UK. In March 2010 the company opened „Explore Industrial Park“, a state-of-the-art new precast factoriy in the East Midlands, built to strengthen the company’s offsite manufacturing capabilities and to support its construction projects across the UK.
Flagship Factory for the Precast Industry of the Kingdom of Saudi Arabia
Being the official production start date of Alabniah Precast Concrete Buildings Factory the 1st of January 2010 is a date not only starting a new decade but also a date where the Saudi Arabian precast concrete industry sees the most advanced and largest factory of its kind in the Kingdom starting off. The factory located in the Second Industrial Area of Dammam is the first of its kind in Saudi Arabia offering the combined advantages of state of the art modern production technology, high capacity and wide product range to deliver complete building
systems and precast components into the market.
Gocrete: a company gets in shape for the future
In March 2008, Gocrete put into operation a state-of-the-art production plant for precast concrete components in the Perth area, the most modern in Western Australia. In addition to floor slabs, solid walls are also produced in a very limited space and in an economical fashion on the basis of the latest findings concerning safety at work.
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