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ASTM C1505-01

(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

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
09-Oct-2001
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

Relations

Replaced By
ASTM C1505-01(2007) - 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 - Standard Test Method for Determination of Breaking Strength of Ceramic Tiles by Three-Point LoadingASTM C1505-01 - Standard Test Method for Determination of Breaking Strength of Ceramic Tiles by Three-Point Loading
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ASTM C1505-01 - 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NOTICE: This standard has either been superseded and replaced by a new version or withdrawn.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
Standard Test Method for
Determination of Breaking Strength of Ceramic Tiles by
Three-Point Loading
This standard is issued under the fixed designation C 1505; 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 (e) indicates an editorial change since the last revision or reapproval.
1. Scope 0.2 N/mm (145 6 29 psi) per second. The rod support table of
the testing machine shall be indexed such that the cylindrical
1.1 This test method covers the determination of breaking
support rods are positioned at 4 mm increments.
strength of ceramic tiles by three-point loading.
6.2 Cylindrical Support Rods, 2, of length, w, with a steel
1.2 This standard does not purport to address all of the
core of diameter, d, and a rubber bearing surface of 55 6 3
safety concerns, if any, associated with its use. It is the
ShoreAdurometer hardness and thickness, t (see Table 1). One
responsibility of the user of this standard to establish appro-
rod shall be permitted to pivot slightly relative to its length and
priate safety and health practices and determine the applica-
the other shall be permitted to rotate slightly relative to its axis
bility of regulatory limitations prior to use.
(see Fig. 1).
2. Referenced Documents 6.3 Central Cylindrical Rod, of length, w, with a steel core
of diameter, d, and a rubber bearing surface of 55 6 3 ShoreA
2.1 ASTM Standards:
durometer hardness and thickness,t.The rod shall be permitted
C 242 Terminology of Ceramic Whitewares and Related
to pivot slightly relative to its axis.
Products
7. Sampling
3. Terminology
7.1 The test sample shall consist of ten whole tiles, selected
3.1 For the definitions of terms used on this test method,
at random from the lot to be tested. Tiles too large to be tested
refer to Terminology C 242.
whole may be cut; however, the cut specimens shall be square
4. Summary of Test Method
and as large as possible, though not larger than the rod length.
The centerpoint of the cut specimen shall coincide with the
4.1 This test method consists of determining the breaking
original centerpoint of the whole tile.
strength of ceramic tiles using a three-point loading method.
The tiles are supported on two cylindrical support rods
8. Procedure
positioned to provide an appropriate span. A load is applied at
8.1 Position the cylindrical support rods (6.2) on the rod
a uniform rate using a third central cylindrical rod positioned at
support plate (6.2) with an appropriate span, L, to the nearest 4
the midpoint between the support rods. The breaking strength
mm so that the specimens will overhang each support rod by
is calculated by multiplying the load at which the tile breaks by
length, l (see Table 1). Place each specimen face up on the
the ratio of the span between support rods divided by the width
support rods. In the case of reversible tile, such as unglazed
of the specimen.
ceramic mosaic tile, it is immaterial which side of the specimen
5. Significance and Use
is up. If applicable, position each specimen so that the longer
side or the directional back-pattern is at right angles to the
5.1 This test method is intended for determining the break-
supports. In the case were both conditions exist, the orientation
ing strength of ceramic tiles for compliance with requirements
of the longer side shall take precedence.
that may appear in specifications.
8.2 Position the central cylindrical rod (6.3) on the face of
6. Apparatus
the specimen at the midpoint between the support rods. Load
the specimen with the central rod at a uniform rate sufficient to
6.1 Testing Machine, capable of loading at a uniform rate
increase the stress in the specimen at a rate of 1 6 0.2 N/mm
sufficient to increase the stress in the specimen at a rate of 1 6
(145 6 29 psi) per second. The load rate in N/s can be
determined by the following equation:
This test method is under the jurisdiction ofASTM Committee C21 on Ceramic
Whitewares and Related Productsand is the direct r
...

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