Engineering design of tunnel beneath the Beijing2Kowloon railway in Tianjin section of South2to2North Water Diversion Project
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Abstract:
In or der t o study and r esolv e the tunnel constructio n safety pro blem beneath t he Beijing2Kow loon railway in Tianjin sectio n o f South2to2 No rth Water Div ersio n Pr oject, the finite element softw ar e w as used to calculat e and analyze the tunnel ex ca2 v ation pro cess and to co nduct the anti2seepag e desig n fo r the tunnel and r ail r einfor cement desig n, w hich can over come the mu2 tual int erference betw een the culver t and ra ilw ay o per ator s during the co nstr uction and ensure the constructio n safety . T he de2 sig n scheme has the character istics of small amo unt of tempor ary suppor t remov al, high2quality cavitatio n, and shor t time of train speed limit, which can not o nly r educe the impacts of co nstr uctio n o n railwa y operation, but also ensure t he culv ert w ater transfer o per ation in Tianjin section and maintenance safety . The desig n scheme presented in this pa per can prov ide r efer ence for the Beijing2Guangzhou railwa y and T ianjin2Bazhou railw ay.
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