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ASTM C1505-01(2007)

(Test Method)

Standard Test Method for Determination of Breaking Strength of Ceramic Tiles by Three-Point Loading

Standard Test Method for Determination of Breaking Strength of Ceramic Tiles by Three-Point Loading

SIGNIFICANCE AND USE
This test method is intended for determining the breaking strength of ceramic tiles for compliance with requirements that may appear in specifications.
SCOPE
1.1 This test method covers the determination of breaking strength of ceramic tiles by three-point loading.
1.2 This standard does not purport to address all of the safety concerns, if any, associated with its use. It is the responsibility of the user of this standard to establish appropriate safety and health practices and determine the applicability of regulatory limitations prior to use.

General Information

Status
Historical
Publication Date
30-Apr-2007
ICS
91.100.25 - Terracotta building products
Technical Committee
C21 - Ceramic Whitewares and Related Products
Drafting Committee
C21.06 - Ceramic Tile
Current Stage
Ref Project

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Replaces
ASTM C1505-01 - Standard Test Method for Determination of Breaking Strength of Ceramic Tiles by Three-Point Loading
Effective Date
01-May-2007

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ASTM C1505-01(2007) - Standard Test Method for Determination of Breaking Strength of Ceramic Tiles by Three-Point LoadingASTM C1505-01(2007) - Standard Test Method for Determination of Breaking Strength of Ceramic Tiles by Three-Point Loading
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ASTM C1505-01(2007) - Standard Test Method for Determination of Breaking Strength of Ceramic Tiles by Three-Point Loading
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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.
Contact ASTM International (www.astm.org) for the latest information
Designation: C1505 − 01(Reapproved 2007)
Standard Test Method for
Determination of Breaking Strength of Ceramic Tiles by
Three-Point Loading
This standard is issued under the fixed designation C1505; the number immediately following the designation indicates the year of
original adoption or, in the case of revision, the year of last revision. A number in parentheses indicates the year of last reapproval. A
superscript epsilon (´) indicates an editorial change since the last revision or reapproval.
1. Scope 6. Apparatus
1.1 This test method covers the determination of breaking
6.1 Testing Machine, capable of loading at a uniform rate
strength of ceramic tiles by three-point loading.
sufficient to increase the stress in the specimen at a rate of 1 6
0.2 N/mm (145 6 29 psi) per second.The rod support table of
1.2 This standard does not purport to address all of the
the testing machine shall be indexed such that the cylindrical
safety concerns, if any, associated with its use. It is the
support rods are positioned at 4 mm increments.
responsibility of the user of this standard to establish appro-
priate safety and health practices and determine the applica-
6.2 Cylindrical Support Rods, 2, of length, w, with a steel
bility of regulatory limitations prior to use.
core of diameter, d, and a rubber bearing surface of 55 6 3
ShoreAdurometer hardness and thickness, t (see Table 1). One
2. Referenced Documents
rod shall be permitted to pivot slightly relative to its length and
2.1 ASTM Standards:
the other shall be permitted to rotate slightly relative to its axis
C242 Terminology of Ceramic Whitewares and Related
(see Fig. 1).
Products
6.3 Central Cylindrical Rod, of length, w, with a steel core
3. Terminology
of diameter, d, and a rubber bearing surface of 55 6 3 ShoreA
durometer hardness and thickness,t.The rod shall be permitted
3.1 For the definitions of terms used on this test method,
to pivot slightly relative to its axis.
refer to Terminology C242.
4. Summary of Test Method
7. Sampling
4.1 This test method consists of determining the breaking
7.1 The test sample shall consist of ten whole tiles, selected
strength of ceramic tiles using a three-point loading method.
at random from the lot to be tested. Tiles too large to be tested
The tiles are supported on two cylindrical support rods
whole may be cut; however, the cut specimens shall be square
positioned to provide an appropriate span. A load is applied at
and as large as possible, though not larger than the rod length.
a uniform rate using a third central cylindrical rod positioned at
The centerpoint of the cut specimen shall coincide with the
the midpoint between the support rods. The breaking strength
original centerpoint of the whole tile.
is calculated by multiplying the load at which the tile breaks by
the ratio of the span between support rods divided by the width
8. Procedure
of the specimen.
8.1 Position the cylindrical support rods (6.2) on the rod
5. Significance and Use
support plate (6.2) with an appropriate span, L, to the nearest 4
mm so that the specimens will overhang each support rod by
5.1 This test method is intended for determining the break-
length, l (see Table 1). Place each specimen face up on the
ing strength of ceramic tiles for compliance with requirements
support rods. In the case of reversible tile, such as unglazed
that may appear in specifications.
ceramicmosaictile,itisimmaterialwhichsideofthespecimen
is up. If applicable, position each specimen so that the longer
This test method is under the jurisdiction ofASTM Committee C21 on Ceramic
side or the directional back-pattern is at right angles to the
Whitewares and Related Productsand is the direct responsibility of Subcommittee
C21.06 on Ceramic Tile. supports. In the case were both conditions exist, the orientation
Current edition approved May 1, 2007. Published May 2007. Originally
of the longer side shall take precedence.
approved in 2001. Last previous edition approved in 2001 as C1505–01 DOI:
10.1520/C1505-01R07.
8.2 Position the central cylindrical rod (6.3) on the face of
For referenced ASTM standards, visit the ASTM website, www.astm.org, or
the specimen at the midpoint between the support rods. Load
contact ASTM Customer Service at service@astm.org. For Annual Book of ASTM
the specimen with the central rod at a uniform rate sufficient to
Standards volume information, refer to
...

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