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- Title
Development of multi-layered sewer pipe plug — 1st report: Ruptured test and stress analysis of protective sheet.
- Authors
Noda, Nao-Aki; Tottori, Hisanori; Gao, Geng; Takaki, Rei; Sano, Yoshikazu; Kai, Akira
- Abstract
In recent years, the sewer system in Japan is becoming obsolete. It is, therefore, necessary to reinforce or repair without stopping sewer functions by applying a suitable water stopping method. In this study, a multi-layered sewer pipe plug consisting of a protective sheet and inner and outer rubber balls is focused since it can be installed and removed at the construction site in a short time conveniently. This sewer pipe plug has several advantages dealing with various diameters compared to the conventional type. In this study, the rupture test is conducted to improve the water stopping performance. The fractured position of the protective sheet of the sewer pipe plug is investigated experimentally. It is clarified that the maximum stress around the flange portion can be reduced by decreasing the flange inner diameter.
- Subjects
JAPAN; STRAINS &; stresses (Mechanics); SEWER pipes; BUILDING sites; FLANGES; SEWERAGE
- Publication
International Journal of Modern Physics B: Condensed Matter Physics; Statistical Physics; Applied Physics, 2021, Vol 35, Issue 14-16, p1
- ISSN
0217-9792
- Publication type
Article
- DOI
10.1142/S0217979221400154