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Allowable Differential Settlement of Pipelines
Zahra Faeli, Ali Fakher, Seyed Reza Maddah Sadatieh
Pages - 308 - 320     |    Revised - 30-08-2010     |    Published - 30-10-2010
Volume - 4   Issue - 4    |    Publication Date - October 2010  Table of Contents
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KEYWORDS
Allowable differential settlement, Burger model, Fixed joint, Flexible joint, Geosynthetic
ABSTRACT
The pipelines' allowable settlement has rarely been mentioned in design references and codes. The present paper studies the effects of differential settlement of pipeline bed on resulted forces and deformations and then determines the allowable differential settlement of pipelines in two conditions as follows: (i) heterogeneous soil bed (ii) adjacent to reservoirs. Numerical simulation of pipeline is used in order to accomplish the studies. The pipeline bed is idealized by Winkler springs and four-element standard viscoelastic Burger model. Also, the use of geosynthetic reinforcement is studied in heterogeneous soil beds and the effect of geosynthetics on decreasing the settlement has been investigated.
CITED BY (3)  
1 Kenny, S., & Jukes, P. (2015). Pipeline/Soil Interaction Modeling in Support of Pipeline Engineering Design and Integrity. Oil and Gas Pipelines: Integrity and Safety Handbook, 99-142.
2 Ebrahimi, A., Zhu, M., & Beech, J. F. (2014, February). Sequential Excavation for Replacement of a Concrete Culvert underneath a Sanitary Pipeline Using the Observational Method. In Geo-Congress 2014 Technical Papers@ sGeo-characterization and Modeling for Sustainability (pp. 2610-2618). ASCE.
3 Khabiri, M. M. (2011). The Effect of Initial Moisture in Stabilization of Sandy Soil by Emulsion Bitumen. International Journal of Engineering (IJE), 5(4), 1.
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Miss Zahra Faeli
- Iran
afs_faeli@yahoo.com
Associate Professor Ali Fakher
- Iran
Professor Seyed Reza Maddah Sadatieh
- Iran


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