• 主题
高级搜索  >
历史搜索 清空历史
首页> 外文会议>North American Society for Trenchless Technology no-dig show conference >Applications of PPR (Pipe Penetrating Radar) to Plastic Pipe for Quality Control of New Pipe Installation, and Condition Assessment of Existing Installations
【24h】

Applications of PPR (Pipe Penetrating Radar) to Plastic Pipe for Quality Control of New Pipe Installation, and Condition Assessment of Existing Installations

机译：PPR（管道穿透雷达）对新管道安装质量控制塑料管的应用，以及现有装置的条件评估

获取原文
页面导航
  • 摘要
  • 著录项
  • 相似文献
  • 相关主题

摘要

Virginia DOT (VDOT) was interested to learn how PPR (Pipe Penetrating Radar) might be utilized for condition assessment of plastic pipe, specifically newly installed HDPE and plastic culverts. This paper highlights a joint VDOT (Virginia Department of Transportation) and UV (University of Virginia) study to identify and validate the capabilities of the Future Scan PPR system. The pilot program for this study focused on two specific areas of concern: detection of voids created during the HDD (Horizontal Directional Drilling) process, and identification of poor soil compaction outside plastic culvert pipe. The HDD evaluation site consisted of a 15" HDPE pipe installed underneath a sensitive intersection. For the soil compaction detection application, two sites at rural road crossings were chosen: one with a 30" double wall PP pipe, and another with a 48" triple wall PP pipe. This paper describes how the Future Scan PPR technology was able to find voids outside the HDPE pipe, and how it was able to image variations in the backfill of the plastic culverts. Additional applications for the PPR system that were identified as a result of this pilot study include: the ability to measure ovality, and the surprise discovery of damage to the external pipe not visible on the internal pipe wall thru CCTV inspection.
机译：弗吉尼亚州DOT（VDOT）有兴趣了解PPR（管道穿透雷达）如何用于塑料管的条件评估，特别是新安装的HDPE和塑料涵洞。本文介绍了一个联合VDOT（弗吉尼亚州交通部）和UV（弗吉尼亚大学）研究，以确定和验证未来扫描PPR系统的能力。该研究的试验计划专注于两个特定的关注领域：检测HDD（水平方向钻井）过程中产生的空隙，以及塑性涵管外的差的土壤压实识别。 HDD评估站点包括一个15英寸的HDPE管道，安装在敏感的交叉口下方。对于土壤压实检测应用，选择了农村过渡的两个站点：一个带30“双壁PP管道，另一个有48英寸的三倍壁PP管道。本文介绍了未来扫描PPR技术如何在HDPE管道外找到空隙，以及如何在塑料涵洞的回填中的图像变化。识别的PPR系统的附加应用程序该试点研究的结果包括：测量椭圆度的能力，以及在内部管道壁上不可见的外部管道造成损坏的危险发现，通过CCTV检查。

著录项

相似文献

  • 外文文献
  • 中文文献
  • 专利
获取原文

客服邮箱：kefu@zhangqiaokeyan.com

京公网安备：11010802029741号 ICP备案号：京ICP备15016152号-6 六维联合信息科技 (北京) 有限公司©版权所有

  • 客服微信

  • 服务号