1、Designation:F154396(Reapproved 2007)An American National StandardStandard Specification forShock Attenuation Properties of Fencing Surfaces1This standard is issued under the fixed designation F1543;the number immediately following the designation indicates the year oforiginal adoption or,in the case
2、 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 specification covers shock absorption properties offencing surfaces as measured by a drop tes
3、t.The minimumperformance standard for shock absorption is defined.Guide-lines for other features and properties of fencing surfaces aredescribed.1.2 The values stated in SI units are to be regarded as thestandard.1.3 This specification does not purport to address all thesafety concerns,if any,associ
4、ated with fencing surfaces andwill not prevent all surface-related injuries.It is the responsi-bility of the user of the surfaces to establish appropriate safetyand health practices,including,but not limited to,footmovement,footwear(shoes),and training practices.Specificprecautionary statements are
5、given in 5.3.2.Referenced Documents2.1 ASTM Standards:2E105 Practice for Probability Sampling of Materials3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 acceleration(deceleration)the instantaneous timerate of change of velocity.This is either positive(acceleration)or negative(
6、deceleration).3.1.2 fencing surfacethe area for performing fencingbouts,competitions,or any other fencing exercises.A fencingsurface,usually referred to as the fencing strip or piste,isdefined in the U.S.FencingAssociations(USFAs)rule book.3It measures 1.8 to 2.0 m wide by 14 m long,often with added
7、width and length for run-off,that at the ends should be 1.5 to2 m.The fencing surface may be an area outlined by tape orpaint on an existing surface or it may be a separate strip thatcan be placed on an existing surface,such as a rubber runner ora metallically-conducting mesh or sheet on a gym floor
8、.Thisspecification includes composite arrangements in which,forexample,a grounded metallic strip is placed on top of a rubberstrip or other shock-absorbing layer,which,in turn,is placedon a permanent floor.3.1.3 gthe acceleration of matter due to gravity at thesurface of the earth.3.1.4 Gthe ratio o
9、f the magnitude of missile decelerationduring impact to the acceleration of gravity,g.Hence,G valuesare dimensionless.3.1.5 Gmax the maximum value of G encountered duringimpact.3.1.6 Gmax(av)the arithmetic average of the set of Gmaxvalues measured as stipulated in Section 5.3.1.7 shock attenuationth
10、e deceleration of an object uponimpact on a surface or other object,measured in units of g.3.1.8 stripthe fencing surface,defined in 3.1.2,above,isnormally referred to as the strip(piste),in fencing.4.Classification4.1 Types:4.1.1 Type IConcrete,4.1.2 Type IICovered concrete(for example,with lino-le
11、um tiles,or rubber runners),4.1.3 Type IIIHardwood on concrete,4.1.4 Type IVPlywood on concrete,4.1.5 Type VHardwood on floor joists,4.1.6 Type VIPlywood on hardwood,4.1.7 Type VIIRaised plywood,4.1.8 Type VIIIOther surfaces such as synthetic gymfloors or recycled rubber composite,4.1.9 Type IXRubbe
12、r runners(strips)on various flooringtypes,except concrete,and4.1.10 Type XCopper or steel fencing strips on variousflooring types,except concrete.5.Performance Requirements and Test Method5.1 Shock AttenuationFencing surfaces consisting of con-crete alone,or concrete covered with conventional tile,o
13、r withsheet floor covering,or with thin vinyl,or rubber runners donot provide adequate shock absorption(Floor Types I through1This specification is under the jurisdiction of ASTM Committee F08 on SportsEquipment,Playing Surfaces,and Facilitiesand is the direct responsibility ofSubcommittee F08.52 on
14、 Miscellaneous Playing Surfaces.Current edition approved Dec.15,2007.Published January 2008.Originallyapproved in 1994.Last previous edition approved in 2002 F1543 96(2002)1.DOI:10.1520/F1543-96R07.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at
15、serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Fencing Rules,1991 Edition,United States Fencing Association,Inc.,OneOlympic Plaza,Colorado Springs,CO 80909-5774.Copyright ASTM International,100 Barr Harbor Drive,PO
16、 Box C700,West Conshohocken,PA 19428-2959.United States1 IV).To comply with this specification such surfaces shall notbe used for the sport of fencing.It is not recommended thatshock attenuation is enhanced by placing a rug under a metallicor rubber strip.While this reduces the G value,the shoedepresses the surface and creates a ridge around the shoe,causing increased risk of tripping.5.1.1 Quantitatively,it is specified herein that the peakdeceleration of fencing surfaces must average 800 or le
