| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide a technique capable of more suppressing cracking of lining concrete. <P>SOLUTION: A construction method of tunnel lining in a tunnel having an upper surface part, an arch part, and a side wall part includes: a side wall part placing step of placing concrete of the side wall part by press-fitting the concrete from below of the side wall part; an arch part placing step of placing concrete of the arch part by press-fitting the concrete from below of the arch part after placing the concrete of the side wall part; and an upper surface placing step of placing concrete of the upper surface part by press-fitting the concrete into the upper surface part after placing the concrete of the arch part. <P>COPYRIGHT: (C)2013,JPO&INPIT |
