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020 _aTHE0008982(Local)
_qhardback
040 _aUMP
_beng
_cUMP
_erda
090 _aFKASA .T46 2019 r Bc.
100 1 _aThoo, Hui Sxin,
_eauthor.
245 1 0 _aDegradation modelling on temperature upon burst capacity of composite repaired pipeline /
_cThoo Hui Sxin
264 1 _aKuantan, Pahang :
_bUMP,
_c2019
264 _c© 2019
300 _axi, 57 pages :
_billustrations (some color) ;
_c30 cm. +
_e1 CD-ROM
336 _atext
_2rdacontent
336 _atext
_2rdacontent
337 _aunmediated
_2rdamedia
337 _acomputer
_2rdamedia
338 _avolume
_2rdacarrier
338 _acomputer disc
_2rdacarrier
347 _atext file
_bPDF
_2rda
500 _aFaculty of Civil Engineering and Earth Resources
502 _aProject Paper (Bachelors of Civil Engineering) -- Universiti Malaysia Pahang – 2019
504 _aIncludes bibliographical references
520 3 _aPipelines are the safest, efficient, and economic way for oil and gas transportation over a long distance. It is subjected to deterioration and damage, which can reduce their strength and structural integrity. Fiber-Reinforced Polymer (FRP) composites are used to repair defective steel pipes and it has been proven effective as it restored the loading capacity of steel pipe. However, FRP composites are susceptible to be degraded by several environmental factors such as temperature, moisture, ultraviolet radiation, thermal cycling, and mechanical fatigue. Degradation of FRP composites are expected to decrease the load bearing capacity of composite repaired steel pipe. Therefore, the purpose of this research is to study the effect of temperature towards the degradation of E-glass/Vinylester on composite repaired pipeline through finite element analysis (FEA). The E-glass/Vinylester composites were subjected to different temperatures which are 23°C, 60°C, and 95°C at 0-day, 360-days, 1080-days, and 1440-days. Ten finite element (FE) models were developed to simulate the effect of composite degradation upon the burst pressure of composite repaired pipeline. The results show that burst pressure of composite repaired steel pipe dropped significantly by 10.09% and 11.62% within 360-days at 60°C and 95°C, respectively. Meanwhile, a reduction of burst pressure by 7.29% at 1080-days was observed when the composite repaired pipe was subjected to 23°C. As a conclusion, degradation of E-glass/Vinylester composites over time has the effect on load bearing capacity of composite repaired steel pipe. Reduction of tensile strength in composite had reduced the burst capacity of composite repaired pipeline. This finding can be very useful in understanding the long-term durability of composite repaired steel pipe.
610 2 0 _aFaculty of Civil Engineering and Earth Resources
_xDissertations
650 0 _aUniversities and colleges
_xDissertations
650 0 _aTheses
942 _2lcc
_cPSM