| 摘要 |
PURPOSE: A lattice girder for a tunnel using concrete space blocks is provided to increase work efficiency and to reduce construction costs because a number of assembling and disassembling procedures are reduced by reducing a number of parts. CONSTITUTION: A lattice girder (6) for a tunnel is manufactured as follows: a step of forming a triangular space block (1) with concrete to form a curved part (3) at corners and an uneven part (2) in the lateral side; a step of coupling deformed bars (5) to the curved parts of the space block; a step of coupling a steel belt (4) to the uneven part of the space block. |
