Details are available in both adobe acrobat reader pdf and cad dxf format.
Concrete plank floor details.
Installation of the hollowcore floor planks is straightforward.
The units are hoisted into position on the supporting structure by crane and the joints grouted with 20 n mm2 concrete using a maximum 10 mm aggregate to form a monolithic floor.
Dxf files can be imported directly into many common cad programs.
The material properties used are 6000 psi concrete in the precast element and either 250 ksi or 270 ksi prestressing strands.
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A hollow core slab also known as a voided slab hollow core plank or simply a concrete plank is a precast slab of prestressed concrete typically used in the construction of floors in multi story apartment buildings the slab has been especially popular in countries where the emphasis of home construction has been on precast concrete including northern europe and former socialist countries of.
Serving as a combined deck and ceiling system the planks erect quickly to reduce on site labor needs and are capable of spanning long open spaces to aid design flexibility.
However for the spancrete hollowcore plank the fire endurance provided will have an effect on load capacity.
The uk s leading manufacturer of pre stressed hollowcore concrete floors.
For the beams and double tees the capacities are somewhat independent of the available fire rating.