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首页> 外文会议>Pipeline Division Specialty Conference; 20050821-24; Houston,TX(US) >ZOOM CAMERA TECHNOLOGY FOR REHABILITATION PRIORITIZATION
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ZOOM CAMERA TECHNOLOGY FOR REHABILITATION PRIORITIZATION

机译：缩放相机技术，用于修复优先

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Large-diameter pipeline inspection can be a costly and difficult undertaking and, as such, is often overlooked. These inspections are increasing necessary as the nation's infrastructure continues to age and deteriorate. Pipe failures in these large-diameter pipes are usually catastropic. The failure is typically sudden and unexpected and often involves major construction. As a proactive measure, a utility in the mid-Atlantic became concerned that some of their major interceptors were reaching the end of their design lives and required inspection. These interceptors are subject to significant sulfide attack during the warmer summer months. In addition, these interceptors lie beneath a major four-lane thoroughfare. The utility wanted to determine the existing structural condition of these interceptors, examine constructability issues, and decide if they should rehabilitate the existing interceptors or if they should replace the existing interceptors. This decision would be based on the findings of the structural assessment and constructability. This paper examines the approach in determining the structural condition of large diameter interceptors (20" to 66") with difficult access. Traditional cleaning and inline closed-circuit televising (CCTV) would be difficult and extremely costly. Therefore, zoom camera technology was selected. Zoom camera technology normally consists of an ultra high-powered zoom lens camera for rapid inventory and screening of collection system deficiencies. The work was completed successfully and the necessary data were obtained. Decisions regarding future work on the interceptors became much clearer as a result of this cost-effective and efficient investigative assessment.
机译：大直径管道检查可能是一项昂贵且困难的工作，因此通常被忽略。随着国家基础设施的不断老化和恶化，这些检查的必要性日益增加。这些大口径管道的管道故障通常是催化的。故障通常是突然的和意外的，并且通常涉及重大的构造。作为一项积极措施，大西洋中部的一家公用事业公司开始担心一些主要的拦截器即将达到其设计寿命并需要进行检查。在炎热的夏季，这些拦截器容易受到硫化物的侵蚀。此外，这些拦截器位于一条主要的四车道通道之下。该公用事业公司希望确定这些拦截器的现有结构状况，检查可施工性问题，并决定是否应修复现有的拦截器或是否应更换现有的拦截器。该决定将基于结构评估和可施工性的发现。本文探讨了确定难以进入的大直径拦截器（20“至66”）结构条件的方法。传统的清洁和在线闭路电视（CCTV）将会非常困难且成本极高。因此，选择了变焦相机技术。变焦相机技术通常由超高性能的变焦镜头相机组成，用于快速清点和筛查收集系统的缺陷。工作成功完成，并获得了必要的数据。由于这种具有成本效益和高效的调查评估，有关拦截器未来工作的决定变得更加清晰。

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