ASTM C955-2009a Standard Specification for Load-Bearing (Transverse and Axial) Steel Studs Runners (Tracks) and Bracing or Bridging for Screw Application of Gypsum Panel Products a.pdf
《ASTM C955-2009a Standard Specification for Load-Bearing (Transverse and Axial) Steel Studs Runners (Tracks) and Bracing or Bridging for Screw Application of Gypsum Panel Products a.pdf》由会员分享,可在线阅读,更多相关《ASTM C955-2009a Standard Specification for Load-Bearing (Transverse and Axial) Steel Studs Runners (Tracks) and Bracing or Bridging for Screw Application of Gypsum Panel Products a.pdf(5页珍藏版)》请在麦多课文档分享上搜索。
1、Designation: C 955 09aStandard Specification forLoad-Bearing (Transverse and Axial) Steel Studs, Runners(Tracks), and Bracing or Bridging for Screw Application ofGypsum Panel Products and Metal Plaster Bases1This standard is issued under the fixed designation C 955; the number immediately following
2、the designation indicates the year oforiginal adoption or, in 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. Scope*1.1 This specification co
3、vers steel studs, runners (tracks),and bracing or bridging (with a base metal thickness range ofnot less than 0.0329 in. (0.836 mm) for screw application ofgypsum panel products and metal plaster bases in load-bearing(transverse and axial) construction assemblies. Steel of lesserthickness shall be p
4、ermitted in additional engineered products.1.2 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.1.3 The following precautionary caveat per
5、tains only to thetest method portion, Section 8, of this specification: Thisstandard does not purport to address all of the safety concerns,if any, associated with its use. It is the responsibility of the userof this standard to establish appropriate safety and healthpractices and determine the appl
6、icability of regulatory limita-tions prior to use.2. Referenced Documents2.1 ASTM Standards:2A 653/A 653M Specification for Steel Sheet, Zinc-Coated(Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed)by the Hot-Dip ProcessA 792/A 792M Specification for Steel Sheet, 55 %Aluminum-Zinc Alloy-Coated by
7、 the Hot-Dip ProcessA 875/A 875M Specification for Steel Sheet, Zinc-5 %Aluminum Alloy-Coated by the Hot-Dip ProcessA 1003/A 1003M Specification for Steel Sheet, Carbon,Metallic- and Nonmetallic-Coated for Cold-Formed Fram-ing MembersC11 Terminology Relating to Gypsum and Related Build-ing Materials
8、 and SystemsC 954 Specification for Steel Drill Screws for the Applica-tion of Gypsum Panel Products or Metal Plaster Bases toSteel Studs from 0.033 in. (0.84 mm) to 0.112 in. (2.84mm) in Thickness2.2 AISI Standard:3Specification for the Design of Cold-Formed Steel StructuralMembersAISI Code of Stan
9、dard Practice for Cold-Formed SteelStructural Framing Committee on Framing Standards2006 Edition3. Terminology3.1 Definitions: Definitions shall be in accordance withTerminology C11.3.2 Definitions of Terms Specific to This Standard:3.2.1 members, nstuds, runners, tracks, bracing, bridging,accessori
10、es or other items manufactured in accordance withthis standard.3.2.2 structural member, na member in a steel framedsystem in which the loading exceeds any of the followingconditions: a transverse load of 20 lbf/ft (290 N/m) of memberlength, or an axial load, exclusive of sheathing, of 200 lbf (890N)
11、 per member.4. Materials and Manufacture4.1 Members shall be manufactured from steel meeting therequirements of Specification A 1003/A 1003M.4.2 The minimum steel thickness (base steel) shall be notless than 0.0329 in. (0.84 mm).4.3 Individual measurements before the application of pro-tective coati
12、ng shall be not less than 95 % of the specifieddesign thickness.4.4 Members shall have a protective coating in accordancewith Table 1, CP 60 minimum.4.5 Edges of members shall be manufactured to minimizeburrs and sharp edges.4.6 Factory punch-outs, when provided, shall be locatedalong the centerline
13、 of the webs of members and shall have1This specification is under the jurisdiction of ASTM Committee C11 onGypsum and Related Building Materials and Systems and is the direct responsibilityof Subcommittee C11.02 on Specifications and Test Methods for Accessories andRelated Products.Current edition
14、approved Sept. 1, 2009. Published September 2009. Originallyapproved in 1981. Last previous edition approved in 2009 as C 955 09.2For referenced ASTM standards, visit the ASTM website, www.astm.org, orcontact ASTM Customer Service at serviceastm.org. For Annual Book of ASTMStandards volume informati
15、on, refer to the standards Document Summary page onthe ASTM website.3Available from American Iron and Steel Institute (AISI), 1140 ConnecticutAve., NW, Suite 705, Washington, DC 20036, http:/www.steel.org.1*A Summary of Changes section appears at the end of this standard.Copyright ASTM International
16、, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.center-to-center spacing of not less than 24 in. (610 mm). Webpunch-outs maximum width shall be the lesser of 0.5 times themember depth, d, or 212 in. (64 mm). Web punch-out lengthshall not exceed 412 in. (114 mm).
17、 Minimum distance betweenthe end of the member and the near edge of the web punch-outshall be 10 in. (254 mm). The size of the factory punch-outsshall not exceed the size used in design and the center-to-centerspacing shall not be less than that used in design.4.7 The properties and strength of memb
18、ers shall be com-puted in accordance with the AISI Specification for the Designof Cold-Formed Steel Structural Members.5. Performance Requirements5.1 When tested in accordance with Section 8, membersshall be capable of pulling the head of the screw below thesurface of the gypsum panel product withou
19、t spin out (see Fig.1).6. Dimensions and Permissible Variations6.1 Data for calculating design performance shall be sup-plied by the manufacturer.6.2 The width of the surface to which the sheathing board isattached shall be not less than 114 in. (32 mm).6.3 Runners (track) shall be formed in a U-sha
20、ped configu-ration, having a depth compatible with that of the studs of thesame nominal size.6.4 Minimum height of runner (track) flanges shall be34 in.(19 mm).6.5 Members shall be manufactured within the limits asshown in Table 2 and Fig. 2.6.6 Bracing and bridging shall have configuration and stee
21、lthickness to provide secondary support for the studs in accor-dance with the AISI Specification for the Design of Cold-Formed Steel Structural Members.7. Workmanship, Finish, and Appearance7.1 The steel members shall be free of defects that interferewith the purpose for which they are intended.8. P
22、enetration Test8.1 Significance and UseThis test method provides aprocedure for evaluating the members ability to pull the headof a screw below the surface of the gypsum panel product. Itshall be used to determine compliance with this specification.The degree of performance of this test method with
23、serviceperformance has not been determined.8.2 Apparatus shall satisfy the following:TABLE 1 Coating DesignationsCoatingClassificationCoatingDesignatorMinimum Coating RequirementsZinc-CoatedAZinc IronB55 % Al-ZincCZinc-5 %Doz/ft2(g/m2) oz/ft2(g/m2) oz/ft2(g/m2) oz/ft2(g/m2)Metallic Coated CP 60 G 60
24、 (Z 180) A 60 (ZF 180) AZ 50 (AZM 150) GF 30 (ZGF 90)CP 90 G 90 (Z 275) Not Applicable AZ 50 (AZM 150) GF 45 (ZGF 135)Painted Metallic PM The metallic coated substrate shall meet the requirements of metallic coated. In addition, the paint film shallhave a minimum thickness of 0.5 mil (0.013 mm) per
- 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。
最后一页预览完了!喜欢就下载吧,查找使用更方便
10000 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:
- ASTMC9552009ASTANDARDSPECIFICATIONFORLOADBEARINGTRANSVERSEANDAXIALSTEELSTUDSRUNNERSTRACKSANDBRACINGORBRIDGINGFORSCREWAPPLICATIONOFGYPSUMPANELPRODUCTSAPDF

链接地址:http://www.mydoc123.com/p-508962.html