ImageVerifierCode 换一换
格式:PDF , 页数:5 ,大小:126.73KB ,
资源ID:169425      下载积分:13 积分
快捷下载
登录下载
邮箱/手机:
温馨提示:
快捷下载时,用户名和密码都是您填写的邮箱或者手机号,方便查询和重复下载(系统自动生成)。 如填写123,账号就是123,密码也是123。
特别说明:
请自助下载,系统不会自动发送文件的哦; 如果您已付费,想二次下载,请登录后访问:我的下载记录
支付方式: 支付宝扫码支付 微信扫码支付   
验证码:   换一换

加入VIP,免费下载
 

温馨提示:由于个人手机设置不同,如果发现不能下载,请复制以下地址【https://www.wnwk.com/docdown/169425.html】到电脑端继续下载(重复下载不扣费)。

已注册用户请登录:
账号:
密码:
验证码:   换一换
  忘记密码?
三方登录: QQ登录  

下载须知

1: 本站所有资源如无特殊说明,都需要本地电脑安装OFFICE2007和PDF阅读器。
2: 试题试卷类文档,如果标题没有明确说明有答案则都视为没有答案,请知晓。
3: 文件的所有权益归上传用户所有。
4. 未经权益所有人同意不得将文件中的内容挪作商业或盈利用途。
5. 本站仅提供交流平台,并不能对任何下载内容负责。
6. 下载文件中如有侵权或不适当内容,请与我们联系,我们立即纠正。
7. 本站不保证下载资源的准确性、安全性和完整性, 同时也不承担用户因使用这些下载资源对自己和他人造成任何形式的伤害或损失。

版权提示 | 免责声明

本文(ASTM_E_1890_-_11_2015.pdf)为本站会员(益****师)主动上传,蜗牛文库仅提供信息存储空间,仅对用户上传内容的表现方式做保护处理,对上载内容本身不做任何修改或编辑。 若此文所含内容侵犯了您的版权或隐私,请立即通知蜗牛文库(发送邮件至admin@wnwk.com或直接QQ联系客服),我们立即给予删除!

ASTM_E_1890_-_11_2015.pdf

1、Designation:E189011(Reapproved 2015)Standard Guide forValidating New Area Reference Skid Measurement Systemsand Equipment1This standard is issued under the fixed designation E1890;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the y

2、ear 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 guide covers validating area reference skid mea-surement systems(ARSMS)and related equipment.Thesesystems have

3、been used since 1976 to evaluate and correlateTest Method E274 skid measurement systems used primarily asa pavement management tool by state Departments of Trans-portation.Also,this guide provides guidelines for the revali-dation process following the replacement of componentswithin an ARSMS.1.2 Thi

4、s guide is offered as a process to identify andquantify the variables that affect system performance,tominimize the effect of these variables,and to provide a methodof validating a newARSMS to replace an existingARSMS thathas provided quality correlation data for a very long time.1.3 The values stat

5、ed in inch-pound units are to be regardedas the standard since the ARSMS will be compared with statedepartments of transportation systems that all currently useinch-pound units.The values given in parentheses are math-ematical conversions to SI units that are provided for informa-tion only and are n

6、ot considered standard.1.4 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 and health practices and determine the applica-bility of regulatory limitations prior to

7、 use.2.Referenced Documents2.1 ASTM Standards:2E274 Test Method for Skid Resistance of Paved SurfacesUsing a Full-Scale TireE501 Specification for Rib Tire for Pavement Skid-Resistance TestsE556 Test Method for Calibrating a Wheel Force or TorqueTransducer Using a Calibration Platform(User Level)E86

8、7 Terminology Relating to Vehicle-Pavement SystemsF377 Practice for Calibration of Braking/Tractive MeasuringDevices for Testing TiresF457 Test Method for Speed and Distance Calibration ofFifth Wheel Equipped With Either Analog or DigitalInstrumentation3.Terminology3.1 Definitions:3.1.1 Terminology

9、used in this guide conforms to thedefinitions in Terminology E867.4.Summary of Guide4.1 There are three phases to the process of validating newARSMS equipment.Phase One is the calibration of all theequipment and instrumentation to be used in this process.Phase Two addresses the variables associated

10、with the deter-mination of a skid number(SN)and attempts to quantify theimpact that each variable may have upon the accurate deter-mination of an SN.Phase Three is the dynamic validationprocess,based upon the variables confirmed in Phase Two.4.2 The approach is based upon Test Method E274 but withmu

11、ch narrower tolerances and greater control of the manypotential variables.The extra effort is required since theproducts are measurement tools which will be used to evaluatethe variety of Test Method E274 systems.4.3 It is anticipated that the SN data produced by the twoexisting ARSMS and the SN dat

12、a produced by each of the newARSMS will have no significant difference.4.4 The following three-phase procedural guide identifiesthe individual components or pieces,the evaluation process foreach item,and the expected results.5.Significance and Use5.1 Friction characteristics of traveled surfaces are

13、 moni-tored by skid measurement systems,and the operating proce-dure for the use of these systems is Test Method E274.However,dynamic measurement differences between thesesystems,that comply with the requirements of Test Method1This guide is under the jurisdiction of ASTM Committee E17 on Vehicle-Pa

14、vement Systems and is the direct responsibility of Subcommittee E17.21 on FieldMethods for Measuring Tire Pavement Friction.Current edition approved Sept.1,2015.Published December 2015.Originallyapproved in 1997.Last previous edition approved in 2011 as E1890-11.DOI:10.1520/E1890-11R15.2For referenc

15、ed ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocke

16、n,PA 19428-2959.United States1 E274,require that each of these systems be correlated to eachother system.The most effective approach to accomplish thiscorrelation is to compare each system to a singular,highlyaccurate system,or to a very limited number(two or three)ofsystems,in a controlled environment.The ARSMSs weredesigned to be such systems.Fig.1 depicts a skid measurementsystem and shows the general location of the major compo-nents.5.2 This guide defines the process of ensuring that theARS

copyright@ 2008-2023 wnwk.com网站版权所有

经营许可证编号:浙ICP备2024059924号-2