| 摘要 |
PURPOSE: A structure installation method for an underground tunnel is provided to reduce a construction period by reducing the propulsion of a steel pipe. CONSTITUTION: A structure installation method for an underground tunnel comprises follows. Heading is excavated on both sides of an arch-shaped steel pipe(10). A form for forming a side wall section inside a excavated tunnel is formed. A reinforcing bar or a stress material protrude to outside. Concrete is filled in the mold. A concrete wall body part, in which the reinforcing bar or the stress material is projected, is formed. A girder is established through a girder fixing hole. A waterproof steel plate is connected between steel pipes by welding at a work space or a steel pipe. The concrete is poured in the body and combines with the sidewall wall part.
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