分享
ASTM_D_5340_-_20.pdf
下载文档

ID:177903

大小:7.55MB

页数:54页

格式:PDF

时间:2023-03-04

收藏 分享赚钱
温馨提示:
1. 部分包含数学公式或PPT动画的文件,查看预览时可能会显示错乱或异常,文件下载后无此问题,请放心下载。
2. 本文档由用户上传,版权归属用户,汇文网负责整理代发布。如果您对本文档版权有争议请及时联系客服。
3. 下载前请仔细阅读文档内容,确认文档内容符合您的需求后进行下载,若出现内容与标题不符可向本站投诉处理。
4. 下载文档时可能由于网络波动等原因无法下载或下载错误,付费完成后未能成功下载的用户请联系客服处理。
网站客服:3074922707
TM_D_5340_ _20
Designation:D534020Standard Test Method forAirport Pavement Condition Index Surveys1This standard is issued under the fixed designation D5340;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 This test method covers the determination of airportpavement condition through visual surveys of asphalt-surfacedpavements,including porous friction courses and plain orreinforced jointed portland cement concrete pavements,usingthe Pavement Condition Index(PCI)method of quantifyingpavement condition.1.2 The PCI is a measurement of the collective judgementof pavement maintenance engineers.It directly relates to M&Rneeds and indirectly to pavement structural integrity andfunctional condition indicators.The PCI is not intended toreplace the direct measurement of roughness,structuralcapacity,texture,or friction.1.3 The PCI for airport pavements was developed by theU.S.Army Corps of Engineers through the funding providedby the U.S.Air Force(1-3).2It is further verified and adoptedby FAA(4)and the U.S.Naval Facilities Engineering Com-mand(5).1.4 The values stated in inch-pound units are to be regardedas standard.The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1.5 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility of the user of this standard to establish appro-priate safety,health,and environmental practices and deter-mine the applicability of regulatory limitations prior to use.Specific precautionary statements are given in Section 6.1.6 This international standard was developed in accor-dance with internationally recognized principles on standard-ization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recom-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Terminology2.1 Definitions of Terms Specific to This Standard:2.1.1 additional samplea sample unit inspected in addi-tion to the random sample units to include nonrepresentativesample units in the determination of the pavement condition.This includes very poor or excellent samples that are nottypical of the section and sample units which contain anunusual distress such as a utility cut.If a sample unitcontaining an unusual distress is chosen at random,it should becounted as an additional sample unit and another randomsample unit should be chosen.If every sample unit is surveyed,then there are no additional sample units.2.1.2 asphalt concrete(AC)surfaceaggregate mixturewith an asphalt cement binder.This term also refers to surfacesconstructed of coal tars and natural tars for purposes of this testmethod.2.1.3 pavement brancha branch is an identifiable part ofthe pavement network that is a single entity and has a distinctfunction.For example,each runway,taxiway,and apron areasare separate branches.2.1.4 pavement condition index(PCI)a numerical ratingof the pavement condition that ranges from 0 to 100,with 0being the worst possible condition and 100 being the bestpossible condition.2.1.5 pavement condition ratinga verbal description ofpavement condition as a function of the PCI value.Fig.1shows two examples of PCI rating scales.2.1.6 pavement distressexternal indicators of pavementdeterioration caused by loading,environmental factors,orconstruction deficiencies,or a combination thereof.Typicaldistresses are cracks,rutting,and weathering of the pavementsurface.Distress types and severity levels detailed in AppendixX1 for AC and Appendix X2 for PCC pavements must be usedto obtain an accurate PCI value.2.1.7 pavement sample unita subdivision of a pavementsection that has a standard size range:20 contiguous slabs(68slabs if the total number of slabs in the section is not evenlydivided by 20,or to accommodate specific field condition)forPCC airfield pavement and 5000 contiguous square feet(62000 ft2(450 6 180 m2)if the pavement is not evenlydivided by 5000,or to accommodate specific field condition)for AC airfield pavement and porous friction surfaces.1This test method is under the jurisdiction of ASTM Committee E17 on Vehicle-Pavement Systems and is the direct responsibility of Subcommittee E17.42 onPavement Management and Data Needs.Current edition approved Oct.1,2020.Published October 2020.Originallyapproved in 1998.Last previous edition approved in 2018 as D5340 12(2018).DOI:10.1520/D5340-20.2The boldface numbers in parentheses refer to a list of references at the end ofthe text.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United StatesThis international standard was developed in accordance with internationally recognized

此文档下载收益归作者所有

下载文档
猜你喜欢
你可能关注的文档
收起
展开