Trade Journals for the Concrete Industry

The new building authority approval Z-15.1-147 of 17 June 2010 for strengthened EV lattice girders makes assembly spans of approximately 6 m possible for floor thicknesses of approximately 24 to 44 cm. To this end, the use of 18 to 30 cm high lattice girders with a 16 mm top chord and diagonal diameter of 9 mm with lattice girder spacings of up to 10 cm was certified.