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首页> 外文会议>11th Annual North American Waste to Energy Conference Apr 28-30, 2003 Tampa, Florida >Continued Performance and Economic Issues for the Polk County Minnesota Bituminous County Road Constructed with Municipal Solid Waste Combustor Ash
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Continued Performance and Economic Issues for the Polk County Minnesota Bituminous County Road Constructed with Municipal Solid Waste Combustor Ash

机译：明尼苏达州波尔克县使用市政固体废物燃烧器烟灰建造的沥青县道的性能和经济问题

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摘要

This paper is a follow up to previous installments presenting environmental, construction, performance and economic issues associated with Polk County CSAH 13. The CSAH 13 project was a demonstration of the use of municipal waste combustor (MWC) ash in bituminous. New structural and cost data is presented. The incorporation of MWC ash into bituminous pavements has been investigated in the United States since the middle 1970s. Thus far, most, if not all of these projects, have attempted to answer the questions: Is it safe? Is it feasible? Or does it provide an acceptable product? The presented project answers these questions on a new level. MWC ash amended bituminous was used to construct a portion of 2.25 miles of road in Northwest Minnesota. Significant environmental and structural testing was performed prior to, during and after construction. Environmental testing on this project has shown that the use of MWC ash in bituminous pavement, as performed, is safe. In addition, economic analysis shows important financial advantages by using ash-amended bituminous. Structural testing showed a 36% increase in stability, 19% increase in flow and a 17% increase in spring season axle load capacity. Improvement in resistance to freeze-thaw cracking was also shown.
机译：本文是前几期的后续文章，介绍了与Polk County CSAH 13相关的环境，建筑，性能和经济问题。CSAH13项目演示了使用市政垃圾燃烧器（MWC）烟灰的烟气。提出了新的结构和成本数据。自1970年代中期以来，已经在美国调查了将MWC灰分掺入沥青路面的情况。到目前为止，大多数（如果不是全部）这些项目都试图回答以下问题：安全吗？可行吗还是提供可接受的产品？提出的项目在新的水平上回答了这些问题。在明尼苏达州西北部，使用经修正的MWC烟灰进行沥青施工，以修建2.25英里的道路。在施工之前，之中和之后进行了重要的环境和结构测试。该项目的环境测试表明，在路面上使用MWC烟灰是安全的。此外，经济分析表明，使用灰分修正的沥青具有重要的财务优势。结构测试表明，稳定性增加了36％，流量增加了19％，春季轴负载能力增加了17％。还显示出提高的抗冻融开裂性。

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