Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Study on Behavior of Ductile Iron Pipelines with Earthquake-Resistant Joints Buried across a Fault
This study is focusing on behavior of ductile iron pipelines with earthquake-resistant joints buried across a fault used widely for water pipelines in Japan. It is necessary to design a pipeline carefully in case of crossing a fault, because the partially large displacement occurs on the pipelines when a fault moves by an earthquake. Although there is some research on behavior of steel pipelines which cross a fault, there are few studies of ductile iron pipelines. In this study, we investigated the behavior of pipeline buried across a fault by simulation analysis and verification experiment. As a result, we clarified that the earthquake resistant joint nearest to a fault began to move when a fault began to move, and then the joints in line began to move when the expansion, contraction and deflection angle in the joint nearest to a fault reached its capacity. In addition, we confirmed that we could evaluate the safety of pipeline against the fault movement by deflection angle in each joint. As a result, using colors with large bending performance rather than straight pipe sockets of shortening the pipe length was effective to increase the safety of pipeline near a fault.
Study on Behavior of Ductile Iron Pipelines with Earthquake-Resistant Joints Buried across a Fault
This study is focusing on behavior of ductile iron pipelines with earthquake-resistant joints buried across a fault used widely for water pipelines in Japan. It is necessary to design a pipeline carefully in case of crossing a fault, because the partially large displacement occurs on the pipelines when a fault moves by an earthquake. Although there is some research on behavior of steel pipelines which cross a fault, there are few studies of ductile iron pipelines. In this study, we investigated the behavior of pipeline buried across a fault by simulation analysis and verification experiment. As a result, we clarified that the earthquake resistant joint nearest to a fault began to move when a fault began to move, and then the joints in line began to move when the expansion, contraction and deflection angle in the joint nearest to a fault reached its capacity. In addition, we confirmed that we could evaluate the safety of pipeline against the fault movement by deflection angle in each joint. As a result, using colors with large bending performance rather than straight pipe sockets of shortening the pipe length was effective to increase the safety of pipeline near a fault.
Study on Behavior of Ductile Iron Pipelines with Earthquake-Resistant Joints Buried across a Fault
Kaneko, Shogo (Autor:in) / Miyajima, Masakatsu (Autor:in) / Erami, M. H. (Autor:in)
Sixth China-Japan-US Trilateral Symposium on Lifeline Earthquake Engineering ; 2013 ; Chengdu, China
11.12.2013
Aufsatz (Konferenz)
Elektronische Ressource
Englisch
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