崇禮鐵路全線正線軌道勝利鋪通
來源:崇禮項目  作者:曲志忠  時間:2019-06-13  點擊量:   
【字體:

6月11日,伴隨著一對500米長軌平穩落在太子城隧道無砟軌枕上,標志著由我公司承建北京2022冬奧會重點配套工程——崇禮鐵路鋪軌工程正線軌道勝利鋪通。

據悉,崇禮鐵路位于張家口境內,正線軌道全長101.5公里,已完成100%。建設者攻克了當地大風沙嚴寒天氣下鋪軌行車安全風險大、30‰大坡度鋪軌、技術參數精度高等施工挑戰。

崇禮項目相關負責人介紹,崇禮鐵路是京張高鐵的重要組成部分,對于有砟軌道鋪設,采用的是新型長軌鋪軌機組,一次性可以鋪設500米長鋼軌,一組設備就能把軌枕和鋼軌一起鋪設,每天可以單線鋪軌約2公里。對于無砟軌道鋪設,采用無砟軌道長軌鋪設機鋪設,長軌通過牽引設備鋪設至已施工完成的道床板上,再進行精測精調、焊接等工序。

對于千分之三十大坡度鋪軌,建設者通過對鋪軌機組進行動力改進、鋼軌下方增加滑輪等舉措確保鋪軌進度。對于行車安全風險大難題,項目部在鋪軌現場配備專職安全工程師、防護員監控。對于鋪軌技術參數精度高難題,項目部超前配備了鋪軌經驗豐富的專業工程師指導,通過一籃子舉措,確保了正線軌道鋪通。

崇禮鐵路是京津冀城際路網重要組成部分,建成后將與京張高鐵正線一起形成北京至張家口崇禮冬奧賽區最便捷客運通道,屆時從北京乘高鐵到張家口崇禮賽區看冬奧盛會僅需50分鐘左右。

建設者在隧道施工現場慶賀軌道鋪通

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