PMID- 34685239
OWN - NLM
STAT- PubMed-not-MEDLINE
LR  - 20211026
IS  - 2073-4360 (Electronic)
IS  - 2073-4360 (Linking)
VI  - 13
IP  - 20
DP  - 2021 Oct 11
TI  - Simulation Analysis of Limit Operating Specifications for Onshore Spoolable 
      Reinforced Thermoplastic Pipes.
LID - 10.3390/polym13203480 [doi]
LID - 3480
AB  - Spoolable reinforced plastic line pipes (RTPs), exhibiting a series of advantages 
      such as good flexibility, few joints, long single length, light weight, easy 
      installation, etc., have been widely used in the onshore oil and gas industry 
      such as oil and gas gathering and transportation, high pressure alcohol 
      injection, water injection, sewage treatment, and other fields. However, due to 
      the lack of clear standard specificationof the limit operating properties for 
      RTPs, three typical failure modes, i.e., tensile, flexure, and torsion, 
      frequently occur in terrain changes, construction operation, and subsequent 
      application, which seriously affects the promotion and use of RTPs. In this 
      paper, the stress distribution of a non-bonded polyester fiber reinforced 
      high-density polyethylene (HDPE) pipe (DN 150, PN 2.5 MPa) was systematically 
      studied by the finite element method (FEM), and then the limit operating values 
      under the axial tensile, coiled bending, and torsion load were determined. The 
      corresponding experiments were conducted to validate the reliability and accuracy 
      of the FEM model. The FEM results showed that the critical strain for axial 
      tensile was 3%, the minimum respooling bend radius was 1016.286 mm, and the limit 
      torsion angle of this RTP was 58.77 degrees , which are very close to the experimental 
      results. These limit values will be useful to establish normative guidelines for 
      field construction and failure prevention of onshore RTP.
FAU - Li, Houbu
AU  - Li H
AD  - State Key Laboratory for Performance and Structure Safety of Petroleum Tubular 
      Goods and Equipment Materials, CNPC Tubular Goods Research Institute, Xi'an 
      710077, China.
FAU - Zhang, Xuemin
AU  - Zhang X
AD  - School of Materials Science and Engineering, Chang'an University, Xi'an 710064, 
      China.
FAU - Huang, Haohan
AU  - Huang H
AD  - School of Materials Science and Engineering, Chang'an University, Xi'an 710064, 
      China.
FAU - Zhou, Teng
AU  - Zhou T
AD  - School of Materials Science and Engineering, Chang'an University, Xi'an 710064, 
      China.
FAU - Qi, Guoquan
AU  - Qi G
AD  - State Key Laboratory for Performance and Structure Safety of Petroleum Tubular 
      Goods and Equipment Materials, CNPC Tubular Goods Research Institute, Xi'an 
      710077, China.
FAU - Ding, Han
AU  - Ding H
AD  - State Key Laboratory for Performance and Structure Safety of Petroleum Tubular 
      Goods and Equipment Materials, CNPC Tubular Goods Research Institute, Xi'an 
      710077, China.
LA  - eng
GR  - 51304236/National Natural Science Foundation of China/
GR  - 300102310201/the Fundamental Research Funds for the Central Universities of 
      Chang'an University/
GR  - LEM21A02/Jiangsu Key Laboratory of Engineering Mechanics，Southeast University the 
      Fundamental Research Funds for the Central Universities/
PT  - Journal Article
DEP - 20211011
PL  - Switzerland
TA  - Polymers (Basel)
JT  - Polymers
JID - 101545357
PMC - PMC8537700
OTO - NOTNLM
OT  - finite element method
OT  - limit operating specification
OT  - onshore
OT  - reinforced thermoplastic pipe
COIS- The authors declare no conflict of interest.
EDAT- 2021/10/24 06:00
MHDA- 2021/10/24 06:01
PMCR- 2021/10/11
CRDT- 2021/10/23 01:21
PHST- 2021/09/01 00:00 [received]
PHST- 2021/09/25 00:00 [revised]
PHST- 2021/09/28 00:00 [accepted]
PHST- 2021/10/23 01:21 [entrez]
PHST- 2021/10/24 06:00 [pubmed]
PHST- 2021/10/24 06:01 [medline]
PHST- 2021/10/11 00:00 [pmc-release]
AID - polym13203480 [pii]
AID - polymers-13-03480 [pii]
AID - 10.3390/polym13203480 [doi]
PST - epublish
SO  - Polymers (Basel). 2021 Oct 11;13(20):3480. doi: 10.3390/polym13203480.