ASTM F1914-2017 Standard Test Methods for Short-Term Indentation and Residual Indentation of Resilient Floor Covering《弹性地板覆盖物短期压痕和残余压痕的标准试验方法》.pdf
《ASTM F1914-2017 Standard Test Methods for Short-Term Indentation and Residual Indentation of Resilient Floor Covering《弹性地板覆盖物短期压痕和残余压痕的标准试验方法》.pdf》由会员分享,可在线阅读,更多相关《ASTM F1914-2017 Standard Test Methods for Short-Term Indentation and Residual Indentation of Resilient Floor Covering《弹性地板覆盖物短期压痕和残余压痕的标准试验方法》.pdf(7页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: F1914 07 (Reapproved 2011)F1914 17Standard Test Methods forShort-Term Indentation and Residual Indentation ofResilient Floor Covering1This standard is issued under the fixed designation F1914; the number immediately following the designation indicates the year oforiginal adoption or, in
2、 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 procedures to determine short-term indentation and residual
3、 indentation of resilient flooring, whensubjected to concentrated loads.1.2 The test methods appear in the following order:SectionIndentation by McBurney2 Test 4 to 10Indentation and Residual Indentation 11 to 151.3 There are two procedures with their respective apparatus. The first (McBurney Test)
4、is described in Sections 4 to 10 andis restricted to a spherical foot. It is only used for initial indentation measurements of VCT. The second is described in Sections11 to 15 and has interchangeable feet with variable geometry. It is used to measure initial and residual indentation.1.4 The values s
5、tated in inch-pound units are to be regarded as standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information only and are not considered standard.1.5 This standard does not purport to address all of the safety concerns, if any, associated with i
6、ts use. It is the responsibilityof the user of this standard to establish appropriate safety safety, health, and healthenvironmental practices and determine theapplicability of regulatory limitations prior to use.1.6 This international standard was developed in accordance with internationally recogn
7、ized principles on standardizationestablished in the Decision on Principles for the Development of International Standards, Guides and Recommendations issuedby the World Trade Organization Technical Barriers to Trade (TBT) Committee.2. Referenced Documents2.1 ASTM Standards:3E691 Practice for Conduc
8、ting an Interlaboratory Study to Determine the Precision of a Test MethodE2251 Specification for Liquid-in-Glass ASTM Thermometers with Low-Hazard Precision LiquidsF141 Terminology Relating to Resilient Floor CoveringsF1066 Specification for Vinyl Composition Floor TileF1303 Specification for Sheet
9、Vinyl Floor Covering with BackingF1700 Specification for Solid Vinyl Floor TileF1913 Specification for Vinyl Sheet Floor Covering Without Backing3. Terminology3.1 DefinitionsFor definitions of terms used in this test method, refer to Terminology F141.1 This test method is under the jurisdiction ofAS
10、TM Committee F06 on Resilient Floor Coverings and is the direct responsibility of Subcommittee F06.30 on Test Methods- Performance.Current edition approved Nov. 1, 2011Dec. 1, 2017. Published November 2011January 2018. Originally approved in 1998. Last previous edition approved in 20072011as F1914F1
11、91407(2011).07. DOI: 10.1520/F1914-07R11.10.1520/F1914-17.2 The sole source of supply of the McBurney Indentation Tester known to the committee at this time is Frazier Precision Co, Gaithersburg, MD. If you are aware ofalternative suppliers, please provide this information to ASTM International Head
12、quarters. Your comments will receive careful consideration at a meeting of the responsibletechnical committee 1, which you may attend.3 For referencedASTM standards, visit theASTM website, www.astm.org, or contactASTM Customer Service at serviceastm.org. For Annual Book of ASTM Standardsvolume infor
13、mation, refer to the standards Document Summary page on the ASTM website.This document is not an ASTM standard and is intended only to provide the user of an ASTM standard an indication of what changes have been made to the previous version. Becauseit may not be technically possible to adequately de
14、pict all changes accurately, ASTM recommends that users consult prior editions as appropriate. In all cases only the current versionof the standard as published by ASTM is to be considered the official document.Copyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 1
15、9428-2959. United States1INITIAL INDENTATION MEASUREMENTS OF VCT (MCBURNEY TEST)24. Significance and Use4.1 This test method measures short-term indentation of resilient flooring and is useful as a predictor of performance in actualinstallations over time.4.2 The slope, m, of a log-log plot indentat
16、ion (I) versus time (T), is related to the indentation of tile in service. The 115F(46C) indentation is a measure of the tendency of the tile to indent at temperatures above 77F (25C).5. Apparatus5.1 Apparatus2The indentation tester is a spherical foot device consisting essentially of a rigidly moun
17、ted indentor actingunder an initial load of 2.00 6 0.02 lbf (8.90 6 0.09 N) and a total deadweight load of 30.00 lbf 6 0.25 lbf (133.45 6 1.11 N)with a suitable dial indicator, calibrated in 0.0005 in. (0.01 mm) increments. The spherical foot shall be 0.250 6 0.0005 in. (6.356 0.01 mm) in diameter.
18、A suitable apparatus is shown in Fig. 1.5.2 Flat Glass Plate, of 0.25 in. (6.35 mm) minimum thickness for supporting the specimen and tester during test.5.3 Timing Device that will indicate the time in seconds.5.4 Thermometer, calibrated as in Specification E2251.5.5 Circular Plexiglas Template, 3.5
19、0 in. (88.9 mm) in diameter, 0.25 in. (6.35 mm) thick and having a 0.3125 in. (7.94 mm)diameter hole drilled in the center and a 0.75 in. (19.05 mm) diameter concentric circle etched on the face.5.6 Water Baths, or air atmosphere maintained at 77 6 0.9F (25 6 0.5C) or 115 6 1F (46 6 0.5C).6. Test Sp
20、ecimens6.1 The test specimen shall be a full tile, usually 12 by 12 in. (approximately 305 by 305 mm) or 9 by 9 in. (approximately 230by 230 mm). Larger tiles shall be cut to one of the above sizes.7. Conditioning7.1 For testing in air, condition the specimen(s) for 1 h at the test temperature.FIG.
21、1 Apparatus for Measuring Indentation: McBurneyF1914 1727.2 For testing in water, condition the specimen(s) at the test temperature for 15 min minimum and 30 min maximum (see Table1).7.3 Condition the indentation tester and glass plate in the same medium and for at least the same time period as the
22、specimen(s).8. Procedures8.1 Nonembossed Surfaces:8.1.1 Place the specimen on the glass plate with the wearing surface up.8.1.2 Place the indentor on the specimen. Be sure the indentor tip is retracted into the base when the instrument is placed onthe specimen and when being moved to another test lo
23、cation.8.1.3 Apply the initial 2-lbf (8.9-N) load (shaft assembly) to the specimen surface.8.1.3.1 Position the 28-lbf (124.5-N) load on the specimen by holding down with the thumb the 2-lbf (8.9-N) shaft cross barto proper load.8.1.3.2 Gently lower the load to force the shaft cross bar upward until
24、 there is no clearance between the shaft and the upper wearplate. This will ensure proper 2-lbf (8.9-N) loading and positioning of the 28-lbf (124.5-N) load.8.1.4 Set the dial gage at zero.TABLE 1 Sample Conditioning and Testing ProcedureSpecificationConditioning Foot Geometry and DiameterTotal Load
- 1.请仔细阅读文档,确保文档完整性,对于不预览、不比对内容而直接下载带来的问题本站不予受理。
- 2.下载的文档,不会出现我们的网址水印。
- 3、该文档所得收入(下载+内容+预览)归上传者、原创作者;如果您是本文档原作者,请点此认领!既往收益都归您。
下载文档到电脑,查找使用更方便
5000 积分 0人已下载
下载 | 加入VIP,交流精品资源 |
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- ASTMF19142017STANDARDTESTMETHODSFORSHORTTERMINDENTATIONANDRESIDUALINDENTATIONOFRESILIENTFLOORCOVERING
链接地址:http://www.mydoc123.com/p-536023.html