| 摘要 |
PURPOSE: A prestressed wave form box girder is provided to easily arrange external tendons and to secure the construction property by simplifying the internal complex shape. CONSTITUTION: A box section is formed by using a wave form steel. An internal flange concrete(14) is poured on lower steel. A slab is installed on an upper wave form steel member(11). Internal tendon(17) is arranged by using the concrete. A concrete is poured on the upper wave form member to be used as a bottom plate(12). The waveforms of the bottom plate and the upper member are put at a right angel to the advancing direction of a girder. The waveform of a web(13) is put at the same direction as the advancing direction of the girder. A lower slab of the bottom plate alternates a partition. Thereby, external tendons(18) are arranged more easily, the weight is reduced and the construction property is improved.
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