Textile Science and Engineering (한국섬유공학회지)

The Korean Fiber Society (한국섬유공학회)
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Reduction Factor and Long-Term Performance Analysis by Engineering Performance Evaluation of Polyester Composite Yarn for Concrete Panel Manufacturing

콘크리트 패널 제조용 폴리에스터 가공사의 공학적 성능 평가에 의한 감소 계수 및 장기성능 해석

  • Received : 2023.04.07
  • Accepted : 2023.04.23
  • Published : 2023.04.30
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Abstract

In this study, polyester composite yarn, which is resin-coated polyester high-tenacity yarn, was used as a fiber for reinforcing concrete panels, and resistance to acidic and alkaline solutions, chemical resistance, and salt water resistance were measured to analyze the application characteristics in manufacturing concrete panels. For polyester composite yarn, it can be seen that the strength retention rate by acidic and alkaline solutions does not significantly decrease even if the temperature rises and the test time becomes longer, In the case of polyester composite yarn, the reduction coefficient by the acidic solution was not significantly affected by the acidic solution, but the reduction coefficient by the alkaline solution decreased as the temperature, pH, and time increased, but the strength retention decreased significantly. The long-term performance of polyester composite yarn did not show a significant decrease in strength retention compared to that of raw fiber, and although a decrease in strength retention was predicted in a high-temperature alkaline state, it was found that the extent was not large.

Keywords

References

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