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TECHNICAL BRIEFS

Model Studies on Immediate Settlement Behavior of Submarine Pipelines

[+] Author and Article Information
S. K. Gulhati, G. V. Rao, S. K. Gupta, Y. N. Rammurthy

Civil Engineering Department, Indian Institute of Technology, Delhi, New Delhi, India

J. Energy Resour. Technol 103(3), 254-258 (Sep 01, 1981) (5 pages) doi:10.1115/1.3230847 History: Received February 20, 1980; Revised May 06, 1981; Online October 22, 2009

Abstract

Currently immediate settlement of submarine pipelines can be assessed by using a method proposed by Small, et al. [3]. Concepts advanced by Reid [2] and Ghazzaly and Lim [4] have been extended herein to enable evaluation of immediate settlement. The immediate settlements of model pipelines measured in an apparatus devised for this purpose, in two cohesive soils at water contents in excess of liquid limits, have been used to assess the validity of the three methods. For immediate settlement to diameter ratio (Df /D) ≤ 0.4, experimentally observed values agree with prediction based on concepts of Ghazzaly and Lim as extended herein. For Df /D ≥ 0.5, Small, et al.’s theory compares well with observed data.

Copyright © 1981 by ASME
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