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DESIGN AND CONSTRUCTION OF TUNNELS WITH BELL-TYPED ENTRANCE ON XIAN-ANKAN G RAILWAY |
ZHAO Qiu-lin,ZHANG Fenlan |
Southwest Branch of First Survey and Design Institute of MOR. |
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Abstract The paper puts forward a summary on the design and construction of a series of tunnels with bell- typed entrance on the Xi 'an-Ankang Railway. The opinions and methods for design and construction of such kind of tunnel are proposed also in this paper.
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Received: 30 November 1999
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