| 摘要 |
The present invention provides a segmental prestressed concrete girder. The segmental prestressed concrete girder comprises: a pair of end blocks having a concrete member, an end duct penetrating the concrete member in a longitudinal direction, and steel fiber mixed in the concrete member; a middle block provided with a concrete member, a middle duct penetrating the concrete member in the longitudinal direction, and a plurality of steel strands embedded in the concrete member to run in the longitudinal direction, and arranged between the end blocks; and a tension device having a tension member penetrating the end ducts and the middle duct, and a fixing member to fix both ends of the tension member on the concrete member of the end blocks. The middle block has a rectangular cross section. |
