PE 파이프 도시 매립 급수 공사 계획: 고온 용융 연결 및 정착 대응-Hubei AD 파이프라인 일반 에이전트 - AD HDPE 이중 벽 골판지 파이프

PE 파이프 도시 매립 급수 공사 계획: 고온 용융 연결 및 정착 대응

2025-08-18

PE 파이프는 내식성과 강한 유연성으로 인해 도시 매립형 급수에 널리 사용됩니다. 공사 중에는 급수 시스템의 장기적 안정적 작동을 위해 고온 용융 연결 및 정착 조치의 품질 제어에 중점을 둘 필요가 있습니다.

고온 용융 연결은 PE 파이프의 핵심 연결 프로세스이며, 작동 사양을 엄격히 준수할 필요가 있습니다. 시공 전에 파이프의 외관을 점검하여 흠집, 찌그러짐, 포트가 평평한지 확인해야 합니다. 특수 고온 용융 용접기를 사용할 경우 파이프 직경 사양에 따라 가열 온도(일반적으로 19010 °C) 및 가열 시간을 설정해야 합니다. 가열 플레이트 연결이 완료된 후에는 인터페이스가 균일한 플랜지를 형성했는지, 가상 용접이 없는지, 누출 용접 현상이 없는지 확인하고 필요한 경우 압력 테스트를 수행해야 합니다. 시험 압력은 작업 압력의 1.5배 이상이며, 압력 강하 없이 30분 동안 유지되는 압력이 적격입니다.

도시 건설의 공통 기초 정착 문제에 대해서는 설계 및 시공의 여러 링크에서 예방 및 통제 조치를 취해야 합니다. 파이프라인 배치 전에 지질 조사를 실시하고, 연질 토층은 등급이 매겨진 모래와 자갈 교체로 처리하고, 압축도는 90%까지 층층층이 쌓아야 합니다. 파이프라인 기초는 150mm 백필링 시 입자 크기가 50mm인 평토 또는 모래를 선택하고 레이어드 백필링 높이가 300mm를 초과하지 않아야 합니다. 파이프라인이 직접 기계적으로 구르지 않도록 압축에 라이트 롤러를 사용해야 합니다. 교차로 구간이나 지질학적으로 복잡한 지역의 경우 PE 파이프 자체의 유연성을 사용하여 정착 스트레스를 상쇄하기 위해 "파이프 브리지"를 놓거나 벨로우즈 보정기를 설정할 수 있습니다.

시공 프로세스도 환경 적응 조정에 주의를 기울여야 합니다. 겨울철 공사 중에는 저온 파손 균열을 방지하기 위해 뜨거운 용융 연결 전에 파이프를 5°C 이상으로 예열해야 합니다 동시에 고온 용융 파라미터, 기초 처리 데이터, 정착 관찰 결과 등을 포함한 시공 기록을 작성하여 완전한 기술 파일을 구성하여 추후 운영 및 유지보수의 근거를 제공합니다. 고온 용융 연결 기술의 과학적 적용과 정착 방지 및 제어 기술을 통해 PE 파이프 급수 시스템의 안전성과 내구성을 효과적으로 개선하여 도시 공학의 장기적인 운영 요구를 충족할 수 있습니다.

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