JPH05340031

PURPOSE:To provide a prestressed concrete girder which can be simply executed, and dispenses with a large-scale device and a wide manufacturing yard, and is high in rigidity and low in the height of a girder. CONSTITUTION:A sheath 4 having a tension steel member 3 inserted through the tensile edge o...

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1. Verfasser: NODA YUKIE
Format: Patent
Sprache:eng
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Zusammenfassung:PURPOSE:To provide a prestressed concrete girder which can be simply executed, and dispenses with a large-scale device and a wide manufacturing yard, and is high in rigidity and low in the height of a girder. CONSTITUTION:A sheath 4 having a tension steel member 3 inserted through the tensile edge of a precast concrete member 2 is buriedly provided in a PC girder 1, and a thick plate steel member 5 for resisting compressive force is buried in the compressed edge of the upper part of the girder. The thick plate steel member 5 has a T-shaped section, and plurality of concrete pouring through-holes 5b are bored on the web 5a of the thick plate steel member 5. Since the concrete during depositing sufficiently turns round to the lower face 5d of a flange 5c through the through holes 5b, adherence between the thick plate steel member 5 and the concrete can be improved. An extremely thick steel plate being resistible against compressive force is applied to the flange 5c of the thick plate steel member 5. An ordinary PC steel wire is used for the tension steel member 3.