一座新型的预应力薄壁箱型连续梁桥——月湖桥

YUHU BRIDGE, A NEW-TYPE PRESTRESSED THIN-WALLED BOX CONTINUOUS BEAM BRIDGE

本文介绍湖南省一座全新的预应力薄壁箱型连续梁桥的设计施工概要,该桥采用最经济的带翼缘的多箱断面,用钢丝网水泥和钢纤维混凝土预制6cm厚薄壁腹板和现浇顶板,采用湖南省创新的HM21—1锚具和HYC40千顶,分束张拉,大大简化了施工和节省了张拉设备。

This paper introduces the design and construction of a newtype thin-walled box prestressed continuous beam bridge in Huhan province. This bridge adopts the most economical multibox section with flange ,precast 6cm think thinwalled web with wire mesh cement and steel fiber concrete and cast-in-place top plate,HM21-1 anchorage and HYC4C Jack created by Hunan Province,prestressing by wire bundle makes the construction simple and saved the strenthing equipment