1、Designation:E235804(Reapproved 2010)Standard Specification forthe Performance of Glass in Permanent Glass RailingSystems,Guards,and Balustrades1This standard is issued under the fixed designation E2358;the number immediately following the designation indicates the year oforiginal adoption or,in the
2、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 specification covers glass in permanent railingsystems,guards and balustrades installed i
3、n agricultural,assembly,commercial,educational,industrial,institutional,recreational,and residential buildings.1.2 This specification is intended to be applied to permanentglass railing systems for buildings and to such railing systems,rails,guards and balustrades having major structural compo-nents
4、 made of glass,or the secondary components such as infillor balusters made of glass.1.3 This specification considers that the overall outlook isbased on the health and safety of all potential users ofbuildings.The criteria incorporated in this specification pro-vide for normal and anticipated buildi
5、ng uses,but not forabuses for which the building and its components are notdesigned.1.4 This specification establishes basic minimum require-ments and criteria that lead to satisfactory products undernormal use conditions and does not give consideration todesign criteria for specific field condition
6、s,the establishment ofwhich is the prerogative and responsibility of the designer,specification writer,and regulatory agencies.1.5This 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
7、-priate safety and health practices and to determine theapplicability of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2E631 Terminology of Building ConstructionsE2025 Test Method for Evaluating Fenestration Componentsand Assemblies for Resistance to Impact EnergiesF12
8、33 Test Method for Security Glazing Materials AndSystemsE935 Test Methods for Performance of Permanent MetalRailing Systems and Rails for BuildingsE1481 Terminology of Railing Systems and Rails for Build-ingsE2353 Test Methods for Performance of Glazing in Perma-nent Railing Systems,Guards,and Balus
9、trades2.2 Other Standards:ANSI Z97.1 Glazing Materials Used in Buildings,SafetyPerformance Specifications and Methods of Test3CPSC 16 CFR Part 1201 Architectural Glazing Materials,Federal Register43.Terminology3.1 Definitions:General terms used in this standard testmethod are defined in Terminologie
10、s E631 and E1481.Termscommon to this standard test method and referenced testmethods are defined in the respective document unless definedherein.3.2 Definitions of Terms Specific to This Standard:3.2.1 Failure LoadA load,which,if placed upon a struc-ture or test piece,is just great enough to break i
11、t.3.2.2 Glazing Retentionthe property of maintaining theglass or glazing material,post breakage,in a system,such thatthe glass must be held in the framing system with no openingsufficient to pass a 76 mm(3 in.)solid steel sphere through thesystem using a horizontally applied force of 18 N(4.0 lbs).3
12、.2.3 Guard SystemA protective railing system along theouter edges of locations of an accessible roof,parapet,balcony,landing,platform or ramp,designed to minimize the probabil-ity of an accidental fall from the walking surface.3.2.4 Interlayera layer of material acting as an adhesivebetween lites of
13、 glazing,which adds additional performance1This specification is under the jurisdiction of ASTM Committee E06 onPerformance of Buildings and is the direct responsibility of Subcommittee E06.56on Performance of Railing Systems and Glass for Floors and Stairs.Current edition approved Oct.1,2010.Publis
14、hed November 2010.Originallyapproved in 2004.Last previous edition approved in 2004 as E2358 04.DOI:10.1520/E2358-04R10.2For referenced 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 t
15、he standards Document Summary page onthe ASTM website.3Available from American National Standards Institute(ANSI),25 W.43rd St.,4th Floor,New York,NY 10036.4Available from U.S.Consumer Product Safety Commission(CPSC),4330East-West Hwy.,Bethesda,MD 20814.Copyright ASTM International,100 Barr Harbor D
16、rive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 attributes to the finished product,for example:impactresistance,solar control,and acoustical insulation.3.2.5 Litea term for a single pane(or piece)of glass orother glazing material.3.2.6 Stileone of the upright structural members of aframe or a framework of bars4.Design Requirements4.1 Railing Height4.1.1 Guardrail Systems:4.1.1.1 The fabricated height of a guardrail system,mea-sured from its top surface to the finished floor level