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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A hollow core slab , also known as a voided slab or hollow core plank is a precast slab of prestressed concrete typically sed 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 affordable housing, including socialist countries of Eastern Europe. Also used often in Nordic countries because of the temperature and weather conditions.The precast concrete…mehr

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Please note that the content of this book primarily consists of articles available from Wikipedia or other free sources online. A hollow core slab , also known as a voided slab or hollow core plank is a precast slab of prestressed concrete typically sed 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 affordable housing, including socialist countries of Eastern Europe. Also used often in Nordic countries because of the temperature and weather conditions.The precast concrete slab has tubular voids extending the full length of the slab, typically with a diameter nearly equal to the thickness of the slab. This makes the slab much lighter than a massive floor of equal thickness or strength. The slabs are typically 120cm wide with standard thicknesses between 15cm and 50cm. The precast concrete I-beams between the holes contain the steel rods that provide the majorityof the tensile stress that hold the slabs together under heavy loads.