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METHOD FOR ENLARGING TRAIN TUNNEL USING DUAL PROTECTOR CONSIDERING OPERATION OF RAILROAD, AND METHOD FOR THE SAME
METHOD FOR ENLARGING TRAIN TUNNEL USING DUAL PROTECTOR CONSIDERING OPERATION OF RAILROAD, AND METHOD FOR THE SAME
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机译:兼顾铁路运营的双保护器扩大火车隧道的方法
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摘要
A method for enlarging a train tunnel using a dual protector is provided. According to a the present invention, the method can safely execute an enlarging work of a train tunnel without suspension of train operation using a dual protector composed of a railway protective hole (a first protector) and an enlarging cross sectional protective hole (a second protector) and moreover, safely and economically execute an enlargement of the inside of a train tunnel using Ring TBM with both advantages of economic efficiency of a new Austrian tunneling method (NATM) and stability of a tunnel boring machine (TBM) engineering method.
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