@article{oai:kanazawa-u.repo.nii.ac.jp:00058798, author = {Ishizeki, Hiromasa and Miyajima, Masakatsu and 石関, 宏真 and 宮島, 昌克}, issue = {4}, journal = {土木学会論文集A1(構造・地震工学), Journal of Japan Society of Civil Engineers, Ser. A1 (Structural Engineering & Earthquake Engineering (SE/EE))}, month = {}, note = {本論文は,自立型更生管を施工した非耐震継手管路の耐震性能向上に関する研究の一環として,地盤変状によって生じるような強制的な曲げ変位を作用させた場合の継手部周辺での更生管の挙動について検討したものである.強度層部材と水密層部材の複層構造を有する自立型更生管を用いて曲げ実験を行い,強度特性および変形特性についての挙動把握を行った.その結果,更生管の強度特性によって既設継手の曲げ変形の発生を抑制できることを確認し,さらに変形特性によって耐震適合性を有するダクタイル鋳鉄管のK形継手を超える曲げ角度を許容できることを明らかにした., This paper reports on the behavior of a cured-in-place pipe (CIPP) around joints of the host pipe in enforced bending displacement that could occur in ground deformation., as a part of research for seismic improvement of pipelines with non-anti-seismic joints that are being rehabilitated with a fully-structural CIPP. Bending tests were performed using a fully-structural CIPP that has a multiple-layer structure consisting of a strengthening layer and a water-tightness layer to observe its behavior of strength characteristic and deformation characteristics. As a result, it was confirmed that the CIPP’s strength characteristic suppressed bending displacement in the host pipe’s non-anti seismic joints. Also, the water-tightness layer maintained its function until a certain level of bending displacement even after the strengthening layer ruptured, which confirms improvement in the watertight performance of non-anti-seismic joints in earthquake. In addition, the series of testing revealed that the CIPP, by its deformation characteristics, accomodate bending displacement that exceeds the allowable bending angles of the K-type joints in ductile iron pipes that are installed as seismically compliant products., 金沢大学理工研究域地球社会基盤学系}, pages = {I_610--I_619}, title = {複層構造を有する自立型更生管の地震時曲げ変位挙動に関する実験}, volume = {76}, year = {2020} }