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発表 IDENTIFICATION OF CORRELATION BETWEEN DEMAND PERFORMANCES TO DAMAGE OF LINING CONCRETE FOR TUNNEL MANAGEMENT

作成年度 2010年度
論文名 IDENTIFICATION OF CORRELATION BETWEEN DEMAND PERFORMANCES TO DAMAGE OF LINING CONCRETE FOR TUNNEL MANAGEMENT
論文名(和訳) トンネル維持管理のための覆工損傷と要求性能に関する相関について
論文副題
発表会 EASEC-12
誌名(No./号数) 第12回東アジア・太平洋地域における建築施工及び構造工学に関する会議
発表年月日 2011/01/26 ~ 2011/01/28
所属研究室/機関名 著者名(英名)
寒地構造チーム佐藤 京(SATOH Takashi)
大建産業㈱荒井 洋(ARAI hiroshi)
寒地構造チーム西 弘明(NISHI Hiroaki)
東京都市大学須藤 敦史(SUTOH Atsushi)
抄録
Infrastructure maintenance is becoming increasingly important in Japan. Especially in Hokkaido、 about 350 conventional[*]construction method road tunnels have been constructed over the past 40~50 years. In the next ten years、 the number of [*]these conventional construction method road tunnels are aging and suffering from damage、 deterioration and environmental attack. Also、 the number of deteriorating tunnels is predicted to increase significantly in the near future at an astonishing speed. Therefore、 many conventional construction method road tunnels will come to its rehabilitation stage、 and almost tunnel linings must be maintenance or repair.[*]This research project will be developed to the efficient tunnel maintenance system and a quantitative criterion from pictures of tunnel lining concrete using the life cycle cost theory. Firstly、 demand performance of tunnel lining in cold region are identified by the Analytic Hierarchy Process (AHP) model based on the weights and consistency indices (CI) using the tunnel user、 tunnel inspection engineer’s and tunnel management engineer’s interview.[*]Secondly、 the outline of conventional construction method road tunnel management system is illustrated and defects and problems to be overcome are clarified. And、 many type of cracks and detailed items for evaluation of tunnel lining were set up based on the aforementioned interview using tha AHP procedure. The proposed criterion was employed for some actual conventional construction method read tunnels in order to investigate the applicability. The tunnel lining crack evaluation results by using the proposed criterion were generally correct to results of detailed inspection at site. However、 the evaluation for exfoliation of concrete was not always corresponding to the detailed.
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