| 摘要 |
PURPOSE: A PSC girder with cut off ends is provided to prevent sudden stress changes and concentrations by reinforcing both ends. CONSTITUTION: A PSC girder(200) with cut off ends comprises a center unit(210), a cut end unit(220), a slope unit(230), and a plurality of tendons(250). The cut end unit, the slope unit, and a part of the center unit which is adjacent to the slope unit are surrounded by a box type reinforcement member(240). An opening unit(241) is formed on the upper surface of the box type reinforcement member and comprises a plurality of stud(242) and a stiffener(243). The part of the tendon is exposed through the opening unit, and a box type maintenance box is formed on the upper part of the periphery of the opening unit. |
