ImageVerifierCode 换一换
格式:PDF , 页数:20 ,大小:585.40KB ,
资源ID:169418      下载积分:12 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/169418.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_2257_-_13a.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_2257_-_13a.pdf

1、Designation:E225713aAn American National StandardStandard Test Method forRoom Fire Test of Wall and Ceiling Materials andAssemblies1This standard is issued under the fixed designation E2257;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revi

2、sion,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 is a fire-test-response standard.1.2 This test method is intended to evaluate,under specifiedfire-exp

3、osure conditions,the contribution to room fire growthprovided by wall or ceiling materials and assemblies,or both.The method is not intended to evaluate the fire endurance ofassemblies or fires originating in the wall assembly.Themethod provides a means to evaluate the effectiveness ofthermal barrie

4、rs in restricting the contribution of combustiblematerials in the wall assembly to fire growth in a room fire.1.3 This test method,simulating a fire in the corner of a2420 by 3630 mm(8 by 12 ft)room containing a single opendoorway,provides a means to evaluate the relative perfor-mance of specified w

5、all and ceiling materials or assemblieswhen they are used together in the same relationship within anenclosure,and simulating the manner in which they will beused.1.4 This test method is intended to evaluate the contributionto fire growth provided by a surface product using a specifiedignition sourc

6、e.It shall,however,be noted that the type,position and heat output of the ignition source will consider-ably influence fire growth.The thermal exposure conditionsfrom the ignition source specified in this method will result inflashover during the 20 min duration for many common finishmaterials,in pa

7、rticular if specimens are mounted on the wallsand the ceiling(standard configuration).1.5 This test method provides a means for evaluating walland ceiling finish materials and assemblies,including panels,tiles,boards,sprayed or brushed coatings,etc.This test methodis not intended to evaluate floorin

8、g materials or furnishings.1.6 This method shall be used in conjunction with GuideE603,which covers instrumentation and the general effect ofvarious parameters,and Guide E2067,which deals withfull-scale oxygen consumption calorimetry.1.7 The values stated in SI units are to be regarded as thestandar

9、d.The units given in parentheses are for informationonly.1.8 The text of this standard references notes and footnoteswhich provide explanatory information.These notes and foot-notes(excluding those in figures)shall not be considered asrequirements of the standard.1.9 This standard is used to measure

10、 and describe theresponse of materials,products,or assemblies to heat and flameunder controlled conditions,but does not by itself incorporateall factors required for fire-hazard or fire-risk assessment of thematerials,products,or assemblies under actual fire conditions.1.10 This standard does not pu

11、rport 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 use.1.11 Fire testing is inherently hazardous.Adequ

12、ate safe-guards for personnel and property shall be employed inconducting these tests.2.Referenced Documents2.1 ASTM Standards:2E84 Test Method for Surface Burning Characteristics ofBuilding MaterialsE136 Test Method for Behavior of Materials in a VerticalTube Furnace at 750CE176 Terminology of Fire

13、 StandardsE603 Guide for Room Fire ExperimentsE2067 Practice for Full-Scale Oxygen Consumption Calo-rimetry Fire Tests2.2 ISO Standards:ISO 9705 Fire TestsReaction to FireRoom Fire Test3ISO 13943 Fire SafetyVocabulary31This test method is under the jurisdiction of ASTM Committee E05 on FireStandards

14、 and is the direct responsibility of Subcommittee E05.21 on Smoke andCombustion Products.Current edition approved Aug.1,2013.Published September 2013.Originallyapproved in 2003.Last previous edition approved in 2013 as E2257-13.DOI:10.1520/E2257-13A.2For referenced ASTM standards,visit the ASTM webs

15、ite,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.3Available from International Organization for Standardization(ISO),1 rue deVaremb,Case postale 56,CH-1211,Geneva 20

16、,Switzerland.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 2.3 NFPA Standards:NFPA 265 Standard Method of Tests for Evaluating RoomFire Growth Contribution of Textile Wall Coverings4NFPA 286 Standard Method of Tests for Evaluating Contri-bution of Wall and Ceiling Interior Finish to Room FireGrowth43.Terminology3.1 DefinitionsFor definitions of terms used in thisstandard,see Terminology E176 and ISO 13943.In case ofconflict,the defi

copyright@ 2008-2023 wnwk.com网站版权所有

经营许可证编号:浙ICP备2024059924号-2