Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Eine Plattform für die Wissenschaft: Bauingenieurwesen, Architektur und Urbanistik
Effects of tunnelling on existing pipelines in layered soils
Abstract Soil movements caused by tunnel excavation can adversely affect and even damage underground pipelines in the vicinity. This paper provides a continuous elastic analysis in finite difference form aimed at simulating the responses of both continuous and jointed pipelines subjected to tunnel-induced soil movement in multi-layered soils. The effects of soil stratification on pipeline behaviour are analysed using the mathematical Hankel transform and transfer matrix technique, and the behaviour of the joints of a hinged pipeline is modelled as a plastic hinge. The accuracy of the proposed method is verified by comparison with a published study of elastic solutions used in homogeneous soil and centrifuge model tests. Finally, two case studies and a parametric analysis of the effects of different soil profiles in a sandwich soil model are presented to demonstrate the performance of the proposed method.
Effects of tunnelling on existing pipelines in layered soils
Abstract Soil movements caused by tunnel excavation can adversely affect and even damage underground pipelines in the vicinity. This paper provides a continuous elastic analysis in finite difference form aimed at simulating the responses of both continuous and jointed pipelines subjected to tunnel-induced soil movement in multi-layered soils. The effects of soil stratification on pipeline behaviour are analysed using the mathematical Hankel transform and transfer matrix technique, and the behaviour of the joints of a hinged pipeline is modelled as a plastic hinge. The accuracy of the proposed method is verified by comparison with a published study of elastic solutions used in homogeneous soil and centrifuge model tests. Finally, two case studies and a parametric analysis of the effects of different soil profiles in a sandwich soil model are presented to demonstrate the performance of the proposed method.
Effects of tunnelling on existing pipelines in layered soils
Zhang, Chenrong (Autor:in) / Yu, Jian (Autor:in) / Huang, Maosong (Autor:in)
Computers and Geotechnics ; 43 ; 12-25
27.01.2012
14 pages
Aufsatz (Zeitschrift)
Elektronische Ressource
Englisch
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