| 摘要 |
PROBLEM TO BE SOLVED: To provide a connection structure of a tunnel capable of absorbing meanders in the connection structure between a reinforcing member to be precedently placed and a reinforcing member to be backwardly placed and its connection method. SOLUTION: The connection structure of the tunnel is constituted of a connection steel material which is made to pass through between a plurality of tunnels and a plaster plate to be placed between the end section of the connection steel material to be precedently placed and the end section of the connection steel material to be backwardly placed. A share key is provided to the end section of each of the connection steel materials and the plaster plate. A joint bolt is placed between the end section of each of the connection steel materials and the plaster plate. The share key and the circumference of the joint bolt are filled with grout. After the grout has been solidified, the joint bolt is fastened. COPYRIGHT: (C)2007,JPO&INPIT
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