The prestressed concrete (PC) track girders of straddle-type monorail transit system carryies both the beams and the tracks on which the train runs, so the fabrication must make use of a special formwork because of its high precision.

• 摘要跨坐式单轨交通系统的预应力混凝土轨道梁既是承重梁又是车辆的轨道，其制作精度要求很高，必须采用专用的模板。