E04C5/00—Reinforcing elements, e.g. for concrete; Auxiliary elements therefor
E04C5/01—Reinforcing elements of metal, e.g. with non-structural coatings
E04C5/06—Reinforcing elements of metal, e.g. with non-structural coatings of high bending resistance, i.e. of essentially three-dimensional extent, e.g. lattice girders
E04C5/065—Light-weight girders, e.g. with precast parts
E—FIXED CONSTRUCTIONS
E04—BUILDING
E04B—GENERAL BUILDING CONSTRUCTIONS; WALLS, e.g. PARTITIONS; ROOFS; FLOORS; CEILINGS; INSULATION OR OTHER PROTECTION OF BUILDINGS
E04B5/00—Floors; Floor construction with regard to insulation; Connections specially adapted therefor
E04B5/16—Load-carrying floor structures wholly or partly cast or similarly formed in situ
E04B5/17—Floor structures partly formed in situ
E04B5/23—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated
E04B5/29—Floor structures partly formed in situ with stiffening ribs or other beam-like formations wholly or partly prefabricated the prefabricated parts of the beams consisting wholly of metal
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Structural Engineering
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Physics & Mathematics
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Electromagnetism
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Forms Removed On Construction Sites Or Auxiliary Members Thereof
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