1、Designation:F254812(Reapproved 2018)Standard Specification forExpanded Metal Fence Systems for Security Purposes1This standard is issued under the fixed designation F2548;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year of la
2、st 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 selection and installation ofexpanded metal fence systems for applications on new orretrofit fences
3、 for commercial,industrial,governmental orinstitutional facilities as applicable to homeland security,orwhere the possibility of malevolent incursion is significant.SeeFig.1 for typical examples of expanded metal fence applica-tions.This type of fence system is not recommended forresidential or publ
4、ic recreational facilities such as pools,schools,and kindergartens.1.2 This specification is intended to guide those responsiblefor or concerned with the design and installation of anexpanded metal fence system capable of denying or delayingunwanted access into or out of an area.1.3 No recommendatio
5、n is made or implied here as to themerits of the product from any particular manufacturer.Choiceof component selection for the expanded metal system shouldbe made by the writer of the project specification based on theirown perception of the products merit and the consequence ofa malevolent incursio
6、n.1.4 The values stated in inch-pound units are to be regardedas standard.Any values given in parentheses are for informa-tion only.1.5 This specification does not purport to address all of thesafety and security concerns,if any,associated with homelandsecurity.It is the responsibility of the user o
7、f this standard toestablish the required and appropriate level of security.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 Re
8、com-mendations issued by the World Trade Organization TechnicalBarriers to Trade(TBT)Committee.2.Referenced Documents2.1 ASTM Standards:2A123/A123M Specification for Zinc(Hot-Dip Galvanized)Coatings on Iron and Steel ProductsA307 Specification for Carbon Steel Bolts,Studs,andThreaded Rod 60 000 PSI
9、Tensile StrengthB117 Practice for Operating Salt Spray(Fog)ApparatusF934 Specification for Standard Colors for Polymer-CoatedChain Link Fence MaterialsF1043 Specification for Strength and Protective Coatings onSteel Industrial Fence FrameworkF1083 Specification for Pipe,Steel,Hot-Dipped Zinc-Coated(
10、Galvanized)Welded,for Fence StructuresF1267 Specification for Metal,Expanded,Steel2.2 American Society of Civil Engineers(ASCE):3ASCE/SEI 7-05 Minimum Design Loads for Buildings andOther Structures3.Terminology3.1 Definitions of Terms Specific to This Standard:3.1.1 expanded metal fence systemcombin
11、es expandedmetal panels and structural framework posts and rails,ifrequired with accessories and fasteners,assembled and evalu-ated as a complete system.Fig.1 shows typical applications.3.1.2 expanded metal panelelement used as filler for thefence system.The following terms are used to further defin
12、echaracteristics of the expanded metal panels(see Fig.2 andFig.3).3.1.3 fittingany type of formed metal with the intent ofsecuring mesh filler to a framework.3.1.4 flattened expanded metal(F)expanded metal whichhas been cold rolled leaving a flat,smooth surface.3.1.5 LWDlong way of diamond,nominal d
13、imension(seeFig.2).3.1.6 regular(raised)expanded metal(R)expanded metalas it comes from the press after being simultaneously slit and1This specification is under the jurisdiction of ASTM Committee F14 on Fencesand is the direct responsibility of Subcommittee F14.35 on Architectural MetalFence System
14、s.Current edition approved March 1,2018.Published March 2018.Originallyapproved in 2006.Last previous edition approved in 2012 as F254812.DOI:10.1520/F2548-12R18.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of A
15、STMStandards volume information,refer to the standards Document Summary page onthe ASTM website.3Available from American Society of Civil Engineers(ASCE),1801 AlexanderBell Dr.,Reston,VA 20191,http:/www.asce.org.Copyright ASTM International,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 1942
16、8-2959.United StatesThis international standard was developed in accordance with internationally recognized principles on standardization established in the Decision on Principles for theDevelopment of International Standards,Guides and Recommendations issued by the World Trade Organization Technical Barriers to Trade(TBT)Committee.1 stretched having the strands and bonds form a uniform angle tothe original plane of the solid sheet from which it was formedcreating an open mesh diamond making one
