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프리캐스트 판넬을 이용한 장대터널 내부라이닝 개선방안 연구
이두화,오세준,최창림,Lee, Du-Hwa,O, Se-Jun,Choe, Chang-Rim 한국도로교통협회 2001 도로교통 Vol.84 No.-
Increasing constructions of tunnels are become larger of the size and longer of the length. Construction of the tunnellinings is in poor working environment, for example, dark and narrow underground. Therefore, it is difficult to constructlining by required quality in these poor working conditions. In case of the designing tunnel in large scale, particularly, there may be several problems as follows; delay of construction due to a long time in constructing lining and difficulty of quality control. It is also indicated that longitudinal cracks of them are main defects in domestic tunnels. Therefore, in this study, the precast lining method is introduced for solving problems, which are delay of the tunnel construction a d deterioration of tunnel lining. Precast linings have mainly been constructed in Norway and North Europe. A new construction method of tunnel lining, suitable in domestic situation, is introduced by detailed case study. Also, useful materials for design and construction of Precast lining are presented.