Prefabricated concrete prefabricated stringer (Machine-translation by Google Translate, not legally binding)

摘要

A prestressed prefabricated concrete stringer, characterized by comprising a straight support topped on top and base heads, whose support is incorporated a reinforcement resistant to tensile stress, provided this folding armor on both heads and equipped with straight elements added which are finished in square bends, whose elements are respectively integrated into the paraments corresponding to the riser and footprint. (Machine-translation by Google Translate, not legally binding)