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本文(ASTM C1242-2010 Standard Guide for Selection Design and Installation of Dimension Stone Attachment Systems《规格石料固定系统的选择、设计和安装标准指南》.pdf)为本站会员(花仙子)主动上传,麦多课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,请立即通知麦多课文库(发送邮件至master@mydoc123.com或直接QQ联系客服),我们立即给予删除!

ASTM C1242-2010 Standard Guide for Selection Design and Installation of Dimension Stone Attachment Systems《规格石料固定系统的选择、设计和安装标准指南》.pdf

1、Designation: C1242 10Standard Guide forSelection, Design, and Installation of Dimension StoneAttachment Systems1This standard is issued under the fixed designation C1242; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of

2、last revision. A number in parentheses indicates the year of last reapproval. Asuperscript epsilon () indicates an editorial change since the last revision or reapproval.INTRODUCTIONNatural building stone is chosen as a buildings cladding for its beauty which endures with minimalmaintenance. Stone i

3、s durable when used properly. Exercising good judgment when selecting theparticular stone, determining the quarrying and fabrication techniques, designing the method ofattachment, and installing all components correctly maximizes these benefits. A properly executedstone cladding is designed and inst

4、alled within the capabilities and limitations of the stone and supportsystem to resist all forces that work on them.This guide presents design principles that require consideration when designing anchorages andevaluating exterior stone to be compatible with its proposed use. It is an overview of cur

5、renttechniques and a review of minimum requirements for sound stone engineering and construction. Theguide does not list all possible methods of attachment nor does it provide a step-by-step procedure forstone anchor engineering. Knowledge gained from new engineering designs, testing of applications

6、,and the investigation of existing problems are continually reviewed to update this guide. Commentfrom users is encouraged.Good judgment by architects, engineers, and contractors when specifying, designing, engineering,and constructing stone and other work that interfaces stone is necessary to use t

7、his guide. Users of thisguide should combine known performance characteristics of the stone, the buildings structuralbehavior, and knowledge of materials and construction methods with proven engineering practice.1. Scope1.1 This guide covers the categories of anchors and anchor-ing systems and discu

8、sses the design principles to be consid-ered in selecting anchors or systems that will resist gravityloads and applied loads.1.2 This guide sets forth basic requirements for the designof stone anchorage and provides a practical checklist of thosedesign considerations.1.3 This guide pertains to:1.3.1

9、 The anchoring of stone panels directly to the buildingstructure for support,1.3.2 The anchoring of stone panels to subframes or tocurtainwall components after these support systems are at-tached to the building structure,1.3.3 The anchoring of stone panels to subframes or tocurtainwall components w

10、ith stone cladding preassembledbefore these support systems are attached to the buildingstructure, and1.3.4 The supervision and inspection of fabrication andinstallation of the above.1.4 Observe all applicable regulations, specific recommen-dations of the manufacturers, and standards governing inter

11、-facing work.1.5 The values stated in inch-pound units are to be regardedas standard. The values given in parentheses are mathematicalconversions to SI units that are provided for information onlyand are not considered standard.1This guide is under the jurisdiction of ASTM Committee C18 on Dimension

12、Stone and is the direct responsibility of Subcommittee C18.06 on AttachmentComponents and Systems.Current edition approved Aug. 1, 2010. Published September 2010. Originallyapproved in 1993. Last previous edition approved in 2005 as C1242 05. DOI:10.1520/C1242-10.1Copyright ASTM International, 100 B

13、arr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.1.6 This 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-priate safety and health practices and dete

14、rmine the applica-bility of regulatory limitations prior to use. (See Tables 1 and2.)2. Referenced Documents2.1 ASTM Standards:2C97 Test Methods forAbsorption and Bulk Specific Gravityof Dimension StoneC99 Test Method for Modulus of Rupture of DimensionStoneC119 Terminology Relating to Dimension Sto

15、neC170 Test Method for Compressive Strength of DimensionStoneC406 Specification for Roofing SlateC503 Specification for Marble Dimension StoneC568 Specification for Limestone Dimension StoneC615 Specification for Granite Dimension StoneC616 Specification for Quartz-Based Dimension StoneC629 Specific

16、ation for Slate Dimension StoneC880 Test Method for Flexural Strength of DimensionStoneC1201 Test Method for Structural Performance of ExteriorDimension Stone Cladding Systems by Uniform Static AirPressure DifferenceC1354 Test Method for Strength of Individual Stone An-chorages in Dimension StoneC15

17、26 Specification for Serpentine Dimension StoneC1527 Specification for Travertine Dimension StoneE632 Practice for Developing Accelerated Tests to AidPrediction of the Service Life of Building Components andMaterials3. Terminology3.1 General DefinitionsFor definitions of terms used inthis guide, ref

18、er to Terminology C119.3.2 Specific definitions used in the design process are listedin 8.4.4. Significance and Use4.1 This guide is intended to be used by architects, engi-neers, and contractors who either design or install exteriorstone cladding for architectural structures.4.2 This guide is an in

19、dustry standard for engineeringdesign considerations, documentation, material considerations,anchor type applications, and installation workmanship toassist designers and installers to achieve a proper and durablestone cladding.4.3 Stone and its support systems are part of a buildingsskin and shall

20、be compatible with the behavior and perfor-mance of other interfacing systems, such as the curtainwall andsuperstructure frame.4.3.1 Every stone work application shall comply with ap-plicable building codes.4.3.2 It is not the intent of this Guide to supercede publishedrecommendations for specific s

21、tone types. Provisions of otherdimension stone industry publications should be reviewed andconsidered in addition to this Guides recommendations. Allindustry information should be considered with respect toproject specifications and requirements. If provisions of suchpublications differ from those i

22、n this Guide, it is acceptablepractice to follow the publications provisions if recommendedby the stone specialist defined in 4.4 for the specific conditionsof the individual project.4.3.3 Because stone properties vary, the range and variabil-ity of pertinent properties of the stone proposed for use

23、 shouldbe determined by testing and statistical methods that areevaluated using sound engineering principles. Use recent testdata where applicable. Always reference proven performanceof relevant existing structures.4.3.4 Changes in properties over time shall be considered.4.3.5 Overall behaviors of

24、all building systems and compo-nents including the stone shall be interactively compatible.4.4 Stone SpecialistSome conditions require professionalexpertise to select and plan a proper anchoring system,establish appropriate testing requirements, interpret tests, de-sign and engineer the anchoring sy

25、stem, or monitor its fabri-cation and installation. A specialist is a person that comple-ments the capabilities of the project team by contributingspecific expert experience with the use, selection, design, andinstallation of dimension stone.4.4.1 Particular conditions where special expertise is sug

26、-gested to achieve a reliable installation: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 the standards Document Summary page onthe ASTM website.TABLE 1 Dimension

27、Stone SpecificationsStone Type ASTM SpecificationCalciteAC503DolomiteAC503Granite C615LimestoneBC568Marble (exterior)BC503Quartz-BasedBC616QuartziteAC616Quartzitic SandstoneAC616SandstoneAC616SerpentineAC503Serpentine C1526Slate (roof) C406Slate (walls) C629TravertineAC1527AThis stone type is a subc

28、lassification.BThis stone type has subclassifications or grades.TABLE 2 Dimension Stone Test MethodsMeasures ASTM Test Methodliquid porosity and relative density C97combined shear with tensile unit strength from bending C99ultimate crushing unit strength C170primary tensile unit strength from bendin

29、g C880capacity and deflections of panels assembled withtheir anchors onto their supporting backup structureC1201individual anchor strength C1354accelerated production of service life E632C1242 1024.4.1.1 Where complex connections or anchoring methodsof unknown or questionable performance records are

30、 likely tobe considered or specified;4.4.1.2 Where the performance record of the specifiedsystems and materials is not known or questionable;4.4.1.3 When multiple cladding materials occur on the samefacade;4.4.1.4 If the supporting structure or backup is more flexiblethan L/600 in any direction;4.4.

31、1.5 If extreme loading could be caused by seismic,hurricane, tornado, or installation and handling methods;4.4.1.6 When special building code requirements prevail.4.4.1.7 If provisions of stone industry publications orproject specifications differ from this guide.5. Installation Standards5.1 Documen

32、tationThe basis for standard workmanshipshall be established in the design documents issued to describe,regulate, or control the construction. These documents may beissued by the architect, engineer, the design-build authority, thecontractor, or others authorized to impose law or code. Ex-amples are

33、 as follows:5.1.1 The architectural drawings and specifications identi-fying stone type, finish, thickness, sizes, and details and therelationship to other architectural elements and the buildingstructure.5.1.2 The architectural drawings and specifications identi-fying the scope of work and the mate

34、rials required. These may:(1) define the performance criteria to be satisfied, (2) specifythe standards of performance to be used in meeting thosecriteria, (3) provide for adequate performance guarantees forthe materials and methods of construction, and (4) prescribedefinitive material details and s

35、ystems to satisfy project re-quirements. In addition, the specifications shall establish stonefabrication and installation tolerances. The tolerances recom-mended by stone trade associations could be used as a guideand included in the specification.FIG. 1 Dowel AnchorC1242 1035.1.3 Project specifica

36、tions shall cite the ASTM standardmaterial specification (see 2.1) governing the stone intendedfor use and identify the classification or grade within thatstandard specification.5.1.4 Shop drawings indicating in detail all parts of the workrequired, including material types, thicknesses, finishes an

37、d allother pertinent information dealing with fabrication, anchor-age, and installation. The drawings shall show contiguousmaterials or assemblies which are provided by others in theirrange of positions according to their specified tolerances.5.2 TolerancesInstallation tolerances and requirements,on

38、ce specified, bind the installation contractor, by contract, toperform the work within those specified tolerances. Thespecification requires the installation contractor to progres-sively examine the construction to which his work attaches oradjoins, reporting to the prime contractor any condition th

39、atmay prevent performance within the standard established.Some commonly specified installation tolerances follow:5.2.1 Variation from plumb of wall surfaces, arises, externalcorners, joints, and other conspicuous lines should not exceed14 in. (6.4 mm) in any story or in 20 ft (6.1 m) maximum.5.2.2 V

40、ariation in level from grades shown for horizontaljoints and other conspicuous lines should not exceed14 in. in20 ft (6.4 mm in 6.1 m) maximum, nor34 in. in 40 ft (19.1 mmin 12.2 m) or more.5.2.3 Variation in linear building lines from positions shownon drawings and related portion of wall facing sh

41、ould notexceed12 in. (12.7 mm) in any bay or 20 ft (6.1 m) maximum,nor34 in. in 40 ft (19.1 mm in 12.2 m) or more.5.2.4 Variation in the face plane of adjacent pieces (lippage)should not exceed one fourth of the width of the joint betweenthe pieces up to but not more than116 in. (1.5 mm) unless pane

42、lfinish is not smooth or panel size exceeds 20 ft2(1.8 mm2).5.3 WorkmanshipGood construction requires mechanicsthat have previous successful experience installing similarstonework to do the new work. Less experienced personnel canFIG. 2 Kerf AnchorC1242 104only be allowed when they work in a crew co

43、ntinuously withthe mechanic who has previous successful experience. Similarwork means same type of site fabrication, anchorage, settingmethod, and support system as the new work.6. Materials of Construction6.1 Metals:6.1.1 Metals used for anchors or anchorage system compo-nents are selected accordin

44、g to their use:6.1.1.1 Metal in contact with stone should beAISI Type 304or 316 stainless steel, or bronze, or aluminum coated withepoxy paint or equivalent coating after fabrication. Mill finishor anodized aluminum can be used with granite. Consult metalindustry references regarding specific applic

45、ation limitationsand requirements, however, use Type 316 stainless steel whenthe project is exposed to chlorides, including locations exposedto deicing salt-laden road mists and locations within 5 to 10miles of a saltwater body. Copper, brass and stainless steel wireare used for ties.6.1.1.2 Stainle

46、ss steel components less than14-in. (6-mm)thick should not be welded. Where welding is required in theassembly, use low-carbon versions of the alloys such as Type304L where Type 304 is allowed and Type 316L where Type316 is allowed.6.1.1.3 Exterior wire ties used with cement mortar spotsshould be du

47、ctile stainless steel. Avoid copper and aluminumwith mortar due to incompatibility. Stainless steel, copper,brass and aluminum can be used with gypsum or moldingFIG. 3 Rod and Plug AnchorFIG. 4 Adhesive Embedded Threaded AnchorFIG. 5 Point Loading PreventionFIG. 5 Point Loading Prevention (continued

48、) (continued)C1242 105plaster for interior applications. Verify mortar or plaster willnot darken or stain stone before using wire ties with spots foranchors.6.1.1.4 Metal not in direct contact with stone exposed toweather should be stainless steel, galvanized steel, zinc-richpainted or epoxy-coated

49、steel, or aluminum.6.2 Joint Sealants:6.2.1 Sealants used in contact with stone in joints or anchorkerfs, slots or holes should be the type recommended for theapplication by the sealant manufacturer and the stone fabrica-tor. Proper consideration should be given to the sealantsability to satisfy the required properties of surface adhesion,tear and peel strength, elasticity, compressibility, durometer,resistance to soiling and fading, and compatibility with anyother sealant with which it may come in contact.6.2.1.1 Follow the sealant manufacturers recommended

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