Study on TBM Construction and Application of Bolt- shotcrete Support in Construction of LongWater Transfer Tunnel

ZHANG Jun- wei; MEI Zhi- rong; TANG Yu

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Journal of Railway Engineering Society ›› 2011, Vol. 28 ›› Issue (1) : 39-46.

Study on TBM Construction and Application of Bolt- shotcrete Support in Construction of LongWater Transfer Tunnel

ZHANG Jun- wei1, MEI Zhi- rong2, TANG Yu3

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Abstract

Research purposes: The studyw as done on the se lection o f lining structure type, support design and support techno logy for long w ater transfer tunnel in the area w ith unfavorable geolog ical cond itions fo rmak ing a optima l design and fast construction o f the tunne lw ith TBM and providing the reference to the sim ilar works.

Research conclusions: The construction program o f open- typeTBM + the composite lining ( bo lt- sho tcrete support+final lin ing ) w as used successfu lly for construction o f D ahuo fang w ater transfer tunnel accord ing to the w a ll rock condition. App lication o f the comp leted composite structure of bolt- sho tcrete + fina l lining to rep lace segment lining not on ly agreed w ith the design idea o fNATM (N ew Australian Tunne lM ethod) , but a lso so lved the problems in sealing w ater and draining w ater and saved a lot of lands and investm ents.

Key words

hydrau lic eng ineering / tunnel eng ineering / tunne / l TBM / support design / sho tcrete suppor / t lining

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ZHANG Jun- wei, MEI Zhi- rong, TANG Yu. Study on TBM Construction and Application of Bolt- shotcrete Support in Construction of LongWater Transfer Tunnel[J]. Journal of Railway Engineering Society, 2011, 28(1): 39-46

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