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京沪高速铁路跨沪宁铁路既有线桥梁上部结构设计为(40+72+40)m预应力混凝土连续梁。本文重点介绍在桥梁上部结构施工过程中,为保证既有线运营安全所采用的防护棚架施工。
The superstructures of the existing bridges on the Beijing-Shanghai high-speed railway across the Shanghai-Nanjing Railway are designed as (40 + 72 + 40) m prestressed concrete continuous beams. This article focuses on the construction of the superstructure in the bridge, in order to ensure the safety of existing lines used in the construction of protective scaffolding.