Apengjiang Super Bridge on the Qianzhangchang Railway
The Apengjiang Super Bridge on the Qianzhangchang Railway comprises a short‑tower cable-stayed bridge, rigid-frame continuous girders, and prestressed concrete cantilever T-beams, making it China’s first high‑span, high‑speed railway bridge with a short‑tower cable-stayed design. The bridge has a total length of 1.36 kilometers and is designed as a double-track structure.
The main towers of the bridge stand 173.7 meters tall, with a span arrangement of 135 + 240 + 135 meters. It is a twin-tower, double-cable-plane cable-stayed bridge that utilizes 500 tons of single‑strand epoxy‑coated steel strands. The anchorages are available in three specifications—ZM250‑55, ZM250‑61, and ZM250‑73. The entire bridge is equipped with 88 cables, each fitted with an external permanent‑magnet–controlled magnetorheological damper. Zhejiang Anchor Company undertook the supply and installation of 490 tons of epoxy‑coated single‑strand steel strands for the cable stays, along with the corresponding cable anchorage assemblies.
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