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C.F. Ng#, I.C. Pyrah* and W.F. Anderson*

#Department of Civil Engineering, Queen's University of Belfast, Belfast, UK
*University of Sheffield, Sheffield, UK

doi:10.4203/ccp.33.2.8

C.F. Ng, I.C. Pyrah, W.F. Anderson, "Modelling of Laterally Loaded Pipelines using Elastic Beam on Elastic Foundation Approach", in B.H.V. Topping, (Editor), "Developments in Computational Techniques for Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 71-76, 1995. doi:10.4203/ccp.33.2.8

Abstract

The classical elastic beam on elastic foundation approach has been used for modelling laterally loaded pipelines for over two decades. The classical approach assumes the pipe behaves as an elastic beam whose behaviour is governed by the simple theory of bending of a straight beam and the soil foundation is approximated by a series of discrete elastic "Winkler" type springs. An existing computer program which is based on this approach for modelling the behaviour of linear buried pipelines has been modified to improve the modelling of the pipe. Plastic behaviour of the pipe, change in shape of the pipe cross-section and shear deformation effects have been implemented into the original program. The modifications have been tested and the results show that the modifications have different degrees of influence on the pipeline behaviour and in some situations the effects are significant. Limitations of the modified program have also been outlined.

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Front Page Browse CCP CSETS CTR IJRT Other Authors Search Purchase Guide FAQ Contact us	Civil-Comp Proceedings ISSN 1759-3433 CCP: 33 DEVELOPMENTS IN COMPUTATIONAL TECHNIQUES FOR STRUCTURAL ENGINEERING Edited by: B.H.V. Topping Paper II.8 Modelling of Laterally Loaded Pipelines using Elastic Beam on Elastic Foundation Approach C.F. Ng#, I.C. Pyrah* and W.F. Anderson* #Department of Civil Engineering, Queen's University of Belfast, Belfast, UK *University of Sheffield, Sheffield, UK doi:10.4203/ccp.33.2.8 purchase the full-text of this paper Full Bibliographic Reference for this paper C.F. Ng, I.C. Pyrah, W.F. Anderson, "Modelling of Laterally Loaded Pipelines using Elastic Beam on Elastic Foundation Approach", in B.H.V. Topping, (Editor), "Developments in Computational Techniques for Structural Engineering", Civil-Comp Press, Edinburgh, UK, pp 71-76, 1995. doi:10.4203/ccp.33.2.8 Abstract The classical elastic beam on elastic foundation approach has been used for modelling laterally loaded pipelines for over two decades. The classical approach assumes the pipe behaves as an elastic beam whose behaviour is governed by the simple theory of bending of a straight beam and the soil foundation is approximated by a series of discrete elastic "Winkler" type springs. An existing computer program which is based on this approach for modelling the behaviour of linear buried pipelines has been modified to improve the modelling of the pipe. Plastic behaviour of the pipe, change in shape of the pipe cross-section and shear deformation effects have been implemented into the original program. The modifications have been tested and the results show that the modifications have different degrees of influence on the pipeline behaviour and in some situations the effects are significant. Limitations of the modified program have also been outlined. purchase the full-text of this paper (price £20) go to the previous paper go to the next paper return to the table of contents return to the book description purchase this book (price £78 +P&P)
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