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| ANALYSIS ON EFFECTIVENESS OF CONTROLLED-LOW-STRENGTH MATERIALS used iN TERMINUS SHAFT of SHEILD tunnel |
| Ko Wute |
| (Department of Civil Engineering，Chengshiu University， Kaohsiung ) |
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Abstract In Taiwan，controlled-low-strength-material is widely used as backfilling material in cable trench because of its effectiveness. The maintenance office of public works department of Taipei Municipal Government has already established specific regulations regarding the usage of this material. Shield-driven tunneling is the most popular method in the Taiwan MRT projects and underground sewage projects. Joining of the shaft and the tunnel is generally of high risk because of potential dangers such as ground subsidence and tunnel collapse. The usage and effectiveness of controlled-low-strength material in terminus shaft of shield tunnel are studied.
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2004, Vol. 23 
