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research-article

Nanofillers reinforced polymer composites wrap to repair corroded steel pipelines

[+] Author and Article Information
Vishwas ChandraKhan

Indian Institute Technology Bhubaneswar, Bhubaneswar, 752050, India
vk13@iitbbs.ac.in

Balaganesan Gurusamy

Indian Institute of Technology Madras Chennai, 600 036, India
gbganesh@iitm.ac.in

Arun Pradhan

Indian Institute Technology Bhubaneswar, Bhubaneswar, 752050, India
akpradhan@iitbbs.ac.in

Sivakumar M. Srinivasan

Indian Institute of Technology Madras Chennai, 600 036, India
mssiva@iitm.ac.in

1Corresponding author.

ASME doi:10.1115/1.4036534 History: Received January 26, 2017; Revised April 13, 2017

Abstract

This paper presents the analysis of repair of pipelines using nano filler dispersed composites. Steel pipe with part wall loss as per standard is repaired using glass/epoxy composites with and without nanoclay reinforcement and burst test is performed in order to assess the performance and effectiveness of nanocomposites based repair system. A simple methodology is developed to find out the failure pressure of pipelines and is compared with the experimental and standard repair code results. It is also analytically studied the thickness of composite wrap for 1% -5% nano filler dispersion in the epoxy for various pipe wall loss and live pressures of pipe lines. The results are analysed to find effectiveness of clay dispersion and effect of live pressure for various percentage of wall loss. It is observed that the dispersion of nano filler improves the bursting resistance of composite wrapping over outer surface of pipe.

Copyright (c) 2017 by ASME
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