| 摘要 |
A composite construction element ( 2 ) particularly useful for manufacturing building floors, comprises: a) an elongated body ( 3 ) made of expanded plastic material, provided with at least one longitudinal channel ( 4 ) open on the upper side for receiving a concrete casting ( 5 ); b) a reinforcement metal structure ( 11 ) of the casting ( 5 ), housed in the longitudinal channel ( 4 ), associated to the elongated body ( 3 ) and having opposite free ends ( 12 ) protruding from longitudinally opposite parts of the elongated body ( 3 ) for a portion of predetermined length. Advantageously, the composite construction element ( 2 ) possesses optimum load bearing characteristics, lightness and flexibility of use.
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