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一项采用旋喷桩防护既有铁路线安全的“嫁接”技术,日前在朔黄铁路跨北同蒲铁路特大桥建设中应用成功。这项技术使既有铁路线的路基垂直承载力、抗剪强度分别提高了3倍和4倍,既满足了跨既有铁路线施工的需要,又确保了铁路运输的安全。铁二十局建工处朔黄工程的技术人员,为了攻克强液化软土地基,经过对钢板桩、
A “grafting” technology using jet grouting piles to protect the safety of existing railway lines has been successfully applied to the construction of the Shuang-Huangpu-Tushu Railway Bridge across the Shuo-Huang Railway. This technology improves the vertical bearing capacity and shear strength of the existing railway lines by 3 times and 4 times respectively, which not only meets the needs of construction across the existing railway lines but also ensures the safety of railway transportation. Iron twentieth Bureau Construction Office Shuo Huang project technical staff, in order to overcome strong liquefied soft soil foundation, after the steel sheet pile,