ASTM C212-2000(2006) Standard Specification for Structural Clay Facing Tile《建筑用饰面瓷砖的标准规范》.pdf
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1、Designation: C 212 00 (Reapproved 2006)Standard Specification forStructural Clay Facing Tile1This standard is issued under the fixed designation C 212; the number immediately following the designation indicates the year oforiginal adoption or, in the case of revision, the year of last revision. A nu
2、mber in parentheses indicates the year of last reapproval. Asuperscript epsilon (e) indicates an editorial change since the last revision or reapproval.This standard has been approved for use by agencies of the Department of Defense.1. Scope1.1 This specification covers structural clay load-bearingf
3、acing tile. Structural facing tile are tile designed for use ininterior and exterior unplastered walls and partitions of build-ings.1.2 The property requirements of this standard apply at thetime of purchase. The use of results from testing of tileextracted from masonry structures for determining co
4、nform-ance or nonconformance to the property requirements (Section6 and 7) of this standard is beyond the scope of this standard.1.3 Tile covered by this standard are manufactured fromclay, shale, or similar naturally occurring substances andsubjected to a heat treatment at elevated temperatures (fi
5、ring).The heat treatment must develop sufficient fired bond betweenthe particulate constituents to provide the strength and dura-bility requirements of this specification. (See firing and firedbond in Terminology C43.)1.4 The text of this standard references notes and footnoteswhich provide explanat
6、ory material. These notes and footnotes(excluding those in tables and figures) shall not be consideredas requirements of the standard.2. Referenced Documents2.1 ASTM Standards:2C43 Terminology of Structural Clay ProductsC67 Test Methods for Sampling and Testing Brick andStructural Clay Tile3. Types3
7、.1 Two types of structural clay facing tile are covered, asfollows:3.1.1 Type FTXSmooth-face tile suitable for general usein exposed exterior and interior masonry walls and partitions,and adapted for use where tile low in absorption, easilycleaned, and resistant to staining are required, and where a
8、 highdegree of mechanical perfection, narrow color range, andminimum variation in face dimensions are desired.3.1.2 Type FTSSmooth- or rough-texture face tile suitablefor general use in exposed exterior and interior masonry wallsand partitions and adapted for use where tile of moderateabsorption, mo
9、derate variation in face dimensions, and me-dium color range are permitted, and where minor defects insurface finish, including small handling chips, are not objec-tionable.4. Classes4.1 Two classes of structural clay facing tile are covered, asfollows:4.1.1 StandardTile suitable for general use in
10、exterior orinterior masonry walls and partitions.4.1.2 Special DutyTile suitable for general use in exterioror interior masonry walls and partitions, and designed to havesuperior resistance to impact and moisture transmission and tosupport greater lateral and compressive loads than standard tilecons
11、truction.5. Ordering Information5.1 Orders for material under this specification shall includethe following information:5.1.1 TypeSee Section 3.5.1.2 ClassSee Section 4. When class is not specified, therequirements for standard tile shall govern. If special duty tileare desired, the words “special d
12、uty” shall be included in thespecifications. Special duty tile shall be accepted in lieu ofstandard tile except where the extra weight is an importantfactor in the loading of supporting members.5.1.3 Texture and ColorSee Section 9.5.1.4 SizesSee Section 10. Sizes shall be as specified.5.1.5 Number o
13、f FacesIf two-face tile are desired, thisshall be stated by the purchaser; otherwise, single-face tile maybe furnished.NOTE 1See Section 15 for supplementary requirements applying totwo-face tile.6. Absorption6.1 The tile shall conform to one of the requirements forwater absorption of the type speci
14、fied as prescribed in Table 1.1This specification is under the jurisdiction of ASTM Committee C15 onManufactured Masonry Units and is the direct responsibility of SubcommitteeC15.02 on Clay Brick and Structural Clay Tile.Current edition approved June 1, 2006. Published June 2006. Originallyapproved
15、in 1946. Last previous edition approved in 2000 as C 21200.2For 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.1C
16、opyright ASTM International, 100 Barr Harbor Drive, PO Box C700, West Conshohocken, PA 19428-2959, United States.6.2 For Type FTS tile for use in masonry not exposed tofrost action or in exposed masonry walls with an outside facingof 3 in. (76.2 mm) or more of stone, brick, or other masonry,limitati
17、ons on absorption shall be waived.7. Compressive Strength7.1 The tile shall conform to the requirements for compres-sive strength of the class specified as prescribed in Table 2.7.2 Special duty tile shall be accepted in lieu of standard tileexcept where the extra weight is an important factor in th
18、eloading of supporting members.8. Material, Workmanship, and Finish8.1 The body of all tile shall be of clay, shale, fire clay, ormixtures of these materials with or without admixtures, burnedto meet the requirements of this specification. The body of alltile shall be free of cracks longer than one
19、fourth of thedimension of the tile in the direction of the crack. The face orfaces that will be exposed when in place shall be free of cracksthat extend through the thickness of the face shell and free ofchips that exceed the limits given in Table 3, except thatpercentages of the shipment are allowe
20、d additional chippagewhich shall not exceed the limits given in Table 4. The tile shallbe free of other imperfections detracting from the appearanceof the finished wall when viewed at a distance of 10 ft (3.04 m)for Type FTX and at a distance of 15 ft (4.57 m) for Type FTS.8.2 Plaster Base FinishSur
21、faces of tile for plaster-basefinish shall be smooth, scored, combed, or roughened. Whensmooth, the tile shall be free of glaze and the absorption shallbe not less than 5% . When scored, each groove shall be notless than116 in. (1.6 mm) nor more than14 in. (6.4 mm) indepth and not more than 1 in. (2
22、5.4 mm) in width. The areacovered by grooves shall not exceed 50% of the area of thescored faces. When combed, the tile shall be scratched orscarified, prior to burning, by mechanical means which shallmake scratches or scarifications on the surface of the tile notless than116 in. (1.6 mm) nor more t
23、han18 in. (3.2 mm) indepth, and not more than14 in. apart. When roughened, the dieskin on the face of the tile shall be entirely broken bymechanical means, such as wire cutting or wire brushing. (Thedie skin is visible within the cells of the tile.)9. Texture and Color9.1 Type FTXThe face or faces o
24、f all tile that will beexposed when in place shall have a smooth and unbrokennatural die finish. (The die finish is visible within the cells ofthe tile.) The color range of the finished faces shall conform toan approved sample consisting of not less than five stretchertile fully representing the ran
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