《bs英國標(biāo)準(zhǔn)】bs en 1461715 燒結(jié)石料.試驗(yàn)方法.抗壓強(qiáng)度測定》由會(huì)員分享，可在線閱讀，更多相關(guān)《bs英國標(biāo)準(zhǔn)】bs en 1461715 燒結(jié)石料.試驗(yàn)方法.抗壓強(qiáng)度測定（15頁珍藏版）》請?jiān)谘b配圖網(wǎng)上搜索。
1、BRITISH STANDARD BS EN
14617-15:2005
Agglomerated stone — Test methods —
Part 15: Determination of compressive strength
The European Standard EN 14617-15:2005 has the status of a
British Standard
2、
ICS 91.10
BS EN 14617-15:2005
National foreword
This British Standard is the official English language version of
EN 14617-15:2005.
The UK participation in its preparation was entrusted to T
3、echnical Committee
B/545, Natural stone, which has the responsibility to:
— aid enquirers to understand the text;
— present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed;
— monitor relate
4、d international and European developments and promulgate them in the UK.
A list of organizations represented on this committee can be obtained on request to its secretary.
Cross-references
The British Standards which implement international or European publications referred to in this document
5、may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of
British Standards Online.
This publication does not purport to include all the necessary provisions of a contract.
6、Users are responsible for its correct application.
Compliance with a British Standard does not of itself confer immunity from legal obligations.
This British Standard was published under the authority of the Standards Policy and Strategy Committee on
18 April 200
7、5
? BSI 18 April 2005
ISBN 0 580 45843 1
Summary of pages
This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 11 and a back cover.
The BSI copyright notice displayed in this document indicates when the document was last is
8、sued.
Amd. No.
Date
Comments
Amendments issued since publication
EUROPEAN STANDARD NORME EUROPéENNE
EUROP?ISCHE NORM
EN 14617-15
March 2005
ICS
English version
Agglomerated stone - Test methods - Part 15: Determination of compres
9、sive strength
Pierre agglomérée - Méthodes d'essai - Partie 15: Détermination de la résistance à la compression
Künstlich hergestellter Stein - Prüfverfahren - Teil 15: Bestimmung der Druckfestigkeit
This European Standard was approved by CEN on 3 February 2005.
CEN members are bo
10、und to comply with the CEN/CENELEC Internal Regulations which stipulate the conditions for giving this European Standard the status of a national standard without any alteration. Up-to-date lists and bibliographical references concerning such national standards may be obtained on application to the
11、Central Secretariat or to any CEN member.
This European Standard exists in three official versions (English, French, German). A version in any other language made by translation under the responsibility of a CEN member into its own language and notified to the Central Secretariat has the same sta
12、tus as the official versions.
CEN members are the national standards bodies of Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slo
13、venia, Spain, Sweden, Switzerland and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION C OM I Té EUR OP éEN DE NOR M AL I S ATI ON EUR OP ?I S C HES KOM I TEE F üR NOR M UNG
Management Centre: rue de Stassart, 36 B-105
14、0 Brussels
? 2005 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members.
Ref. No. EN 14617-15:2005: E
Contents
Page
Foreword........................................................................................
15、.............................................................................. 3
1 Scope .............................................................................................................................................................. 4
2 Normative references .....................
16、............................................................................................................... 4
3 Principle .......................................................................................................................................................... 4
4 Terms and
17、 definitions ................................................................................................................................... 4
5 Symbols ............................................................................................................................................
18、.............. 4
6 Apparatus ....................................................................................................................................................... 4
7 Preparation of specimens ....................................................................................
19、......................................... 5
8 Procedure ....................................................................................................................................................... 6
9 Expression of results ............................................................
20、........................................................................ 6
10 Test report ...................................................................................................................................................... 6
Annex A (normative) Statistical evaluation of test
21、results .................................................................................... 8
Bibliography .............................................................................................................................................................. 11
Foreword
22、
This document (EN 14617-15:2005) has been prepared by Technical Committee CEN/TC 246 “Natural stones”, the secretariat of which is held by UNI.
This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the lates
23、t by September 2005, and conflicting national standards shall be withdrawn at the latest by September 2005.
Test methods for agglomerated stones consist of the following:
EN 14617-1, Agglomerated stone - Test methods – Part 1: Determination of apparent density and water absorption
EN 14617-
24、2, Agglomerated stone – Test methods – Part 2: Determination of flexural strength (bending)
prEN 14617-3, Agglomerated stone - Test methods – Part 3: Determination of slipperiness
EN 14617-4, Agglomerated stone - Test methods – Part 4: Determination of the abrasion resistance
EN 14617-5, Ag
25、glomerated stone - Test methods – Part 5: Determination of freeze and thaw resistance
EN 14617-6, Agglomerated stone - Test methods – Part 6: Determination of thermal shock
prEN 14617-7, Agglomerated stone – Test methods – Part 7: Determination of ageing
prEN 14617-8, Agglomerated stone – T
26、est methods – Part 8: Determination of resistance to fixing (dowel hole)
EN 14617-9, Agglomerated stone - Test methods – Part 9: Determination of impact resistance
EN 14617-10, Agglomerated stone – Test methods – Part 10: Determination of chemical resistance
EN 14617-11, Agglomerated stone
27、– Test methods – Part 11: Determination of linear thermal expansion coefficient
EN 14617-12, Agglomerated stone – Test methods – Part 12: Determination of dimensional stability EN 14617-13, Agglomerated stone – Test methods – Part 13: Determination of electrical resistivity EN 14617-15, Agglomera
28、ted stone – Test methods – Part 15: Determination of compressive strength
EN 14617-16, Agglomerated stone – Test methods – Part 16: Determination of dimensions, geometric characteristics and surface quality of modular tiles
prEN 14617-17, Agglomerated stone – Test methods – Part 17: Determinatio
29、n of biological resistance
According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Icela
30、nd, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.
1 Scope
This document specifies a method for determining the compressive strength of agglomerated stones.
2 Norma
31、tive references
The following referenced documents are indispensable for the application of this document. For dated references, only the edition cited applies. For undated references, the latest edition of the referenced document (including any amendments) applies.
EN 197-1, Cement - Part 1:
32、Composition, specifications and conformity criteria for common cements
EN 12390, Testing hardened concrete
EN 14618:2003, Agglomerated stone- Terminology and classification
3 Principle
The specimens, after mechanical preparation of the surfaces or, if needed, after capping, are laid
33、and centred on the plate of a testing machine. A uniformly distributed load is applied and increased continuously until failure occurs.
4 Terms and definitions
For the purposes of this standard, the terms and definitions given in EN 14618:2003 apply.
5 Symbols
h height of the spe
34、cimen, in millimetres;
l mean value of the lateral dimension, i.e. the distance between opposite vertical faces of the specimen (if cubic), in millimetres;
d mean value of the diameter of the specimen (if cylindrical), in millimetres; A cross-sectional area of the specimen before testing, in
35、square millimetres; F failure load, in newtons;
R uniaxial compressive strength of the specimen, in MPa;
R mean value of the uniaxial compressive strength, in MPa;
s standard deviation;
v coefficient of variation.
6 Apparatus
6.1 A surface grinder.
6.2 A lapping machine if fin
36、al preparation of the specimens is needed.
6.3 A test machine of appropriated force, in accordance with EN 12390 and calibrated according to this standard, and provided with a system for controlling the strain rate.
6.4 A time counter accurate to 1 s.
6.5 A ventilated oven which can
37、 maintain a temperature of (70 ± 5) °C.
6.6 A weighing instrument with an accuracy of 0,1g.
6.7 A linear measuring device with an accuracy of 0,05 mm.
6.8 Air conditioned room with a temperature of (20 ± 5) °C.
7 Preparation of specimens
7.1 Sampling
The sampling is not the res
38、ponsibility of the testing laboratory except where it is especially requested to undertake this.
At least six specimens are to be tested.
7.2 Test specimens
Test specimens shall be cubes with (70 ± 5) mm or (50 ± 5) mm edge or right circular cylinders whose diameter and height are equal to
39、(70 ± 5) mm or (50 ± 5) mm.
The height of the specimen can be reached also gluing, using suitable adhesives, different samples of minimum 6,5 mm of thickness.
If the maximum observed dimension of the grains exceeds 7 mm, it is recommended to have a larger number of specimens in order to obtain
40、 representative results.
7.3 Surface preparation
7.3.1 General
The faces through which the load is to be applied shall be flat to a tolerance of 0,1 mm and shall not depart from perpendicularity to the axis of the specimen by more than 0,01 radian or 1 mm in 100 mm. The sides of the specime
41、n shall be smooth and free of abrupt irregularities and straight to within 0,3 mm over the full length of the specimen.
To meet the above requirements the specimens shall be finished on either a lathe or surface grinder, with final preparation on a lapping machine if needed.
Capping with paste
42、 according to the procedures indicated in .2 is to be used only if the indicated tolerances are not obtainable with the prescribed mechanical preparation. This condition shall be clearly indicated in the test report.
7.3.2 Capping with paste
If the specimen height indicated in 7.2 cannot be re
43、ached by the available samples, it is possible to cap the specimen at the required height using a paste made up with water and cement CEM I 52,5 R according to EN 197-
1, water/cement ratio of (0,6 ± 0,1), curing in room condition according to EN 197-1 for one week ± 4 hours.
7.4 Conditi
44、oning of specimen before testing
Specimens, whether capped or uncapped, shall be dried at (70 ± 5) °C to constant mass, i.e. the difference between two weighings is no greater than 0,1% of the mass of the specimen in (24 ± 2) h. After drying and prior to testing the specimens shall be stored at (
45、20 ± 5) °C until the thermal equilibrium is reached. After that, the tests shall be performed within 24 h.
8 Procedure
8.1 Measuring the specimen
The cross-sectional dimensions of the test specimen (lateral dimension for cubic, diameter for cylindrical test specimens) shall be measured
46、to the nearest 0,1 mm by averaging two measures taken at right angles to each other at about the upper-height and two about the lower-height h of the specimen. The average lateral dimension l or the average diameter d shall be used for calculating the cross-sectional area. The height of the specimen
47、 shall be determined to the nearest 1,0 mm.
8.2 Placing the specimen in the testing machine
Wipe the bearing surfaces of the testing machine clean and remove any loose grit from the bed faces of the specimen. Align the specimen carefully with the centre of the ball-seated platen, so that a uni
48、form seating is obtained. Do not use any packing material.
8.3 Loading
Load on the specimen shall be applied continuously at a constant stress rate of (1 ± 0,5) MPa/s. The failure load on the specimen shall be measured to the nearest 1kN and recorded.
9 Expression of results
The unia
49、xial compressive strength R of each specimen is expressed by the ratio of the failure load of the specimen and its cross-sectional area before testing, by the equation:
F R =
A
stating the type of specimen by Rc and Rcyl in the case of cube and cylinder respectively.
The result shall be
50、expressed in MPa with at least one significant figure. The mean value R shall be calculated to the nearest 1 MPa.
10 Test report
The test report shall contain the following information:
a) unique identification number of the report;
b) number, title and date of issue of this document
51、;
c) name and address of the test laboratory and the address where the test was carried out if different from the testing laboratory;
d) name and address of the client;
e) it is the responsibility of the client to supply the following information:
- name of the supplier;
- n
52、ame of the person or organization which carried out the sampling;
- surface finish of the specimens (if relevant to the test);
- nature of the binders
f) date of delivery of the sample or of the specimens;
g) date when the specimens were prepared (if relevant) and the date of testing;
53、
h) number of specimens in the sample;
i) dimensions l (or d ) and h in millimetres and the failure load F of each specimen, in newtons;
j) surface preparation of the specimens and their conditioning before testing;
k) orientation of the axis of loading with respect to the existing planes
54、 of anisotropy;
l) compressive strength R of each specimen, in Megapascals with at least two significant figures;
m) mean value R of compressive strength, in Megapascals to the nearest 1 MPa;
n) standard deviation s , in Megapascals to the nearest 1 MPa, and the variation coefficient v;
55、
o) all deviations from the standard and their justification;
p) remarks.
The test report shall contain the signature(s) and role(s) of the responsible(s) for the testing and the date of issue of the report. It shall also state that the report shall not be partially reproduced without the writ
56、ten consent of the testing laboratory.
NOTE Comparison between test results should be only made for specimens of the same shape.
Annex A
(normative)
Statistical evaluation of test results
A.1 Scope
This Annex establishes a method for the statistical treatment of test
57、results obtained following the agglomerated stone test method described in this document.
A.2 Symbols and definitions
Measured values x1, x2, .. xi .., xn
Number of measured values n
Mean value 1
n
x = ∑ xi
i
Standard deviation
s = ±
∑(xi ? x )2
n ? 1
58、
s Coefficient of variation v = x
(for individual values)
Logarithmic Mean 1
x ln = n ∑ln xi
i
Logarithmic Standard deviation
sln = ±
∑(ln xi ? xln )2
n ? 1
Maximum value Max
Minimum value Min
x
Lower expected value E = e
ln ?ks
?s
ln
59、where ks
(quantile factor) is given in table
Quantile factor ks see table A.1
A.3 Statistical evaluation of test results
For the calculation of the mean value (x), the standard deviation (s) and the coefficient of variation (v) a normal distribution is assumed.
For t
60、he calculation of the lower expected value (E) a logarithmic normal distribution is assumed. The lower expected value (E) corresponds to the 5% quantile of a logarithmic normal distribution for a confidence level of 75%.
Table A.1 Quantile factor (ks) in dependence on the number of measured v
61、alues (n) in correspondence to the 5% quantile for a confidence level of 75%
n
ks
3
3,15
4
2,68
5
2,46
6
2,34
7
2,25
8
2,19
9
2,14
10
2,10
15
1,99
20
1,93
30
1,87
40
1,83
50
1,81
∞
1,64
The following examples should help to clarify the method: Example 1:
Cal
62、culation of mean value, standard deviation, maximum value and minimum value of 6 measured values
Measurement no Measured value x
1 2000
2 2150
3 2200
4 2300
5 2350
6 2400
-------- Mean value 2333
Standard deviation
147
Maximum value 2400
Minimum value 2000
Example 2:
63、
Calculation of mean value, standard deviation, coefficient of variation and lower expected value of 10 measured values
Measurement no Measured value x
(ln x)
1 2000 (7,60)
2 2150 (7,67)
3 2200 (7,70)
4 2300 (7,74)
5 2350 (7,76)
6 2400 (7,78)
7 2600 (7,86)
8 2750 (7,92)
9 2900 (
64、7,97)
10 3150 (8,06)
--------- --------- Mean value 2480 (7,807
Standard deviation 363 (0,143) Variation coefficient 0,15
From Table A.1 for: n=10 ks=2,1
Lower expected value 1819
Bibliography
[1] EN 12440, Natural stone - Denomination criteria
BS EN
14617-15:2005
65、
BSI
389 Chiswick High Road
London
W4 4AL
BSI — British Standards Institution
BSI is the independent national body responsible for preparing
British Stan
66、dards. It presents the UK view on standards in Europe and at the international level. It is incorporated by Royal Charter.
Revisions
British Standards are updated by amendment or revision. Users of
British Standards should make sure that they possess the latest amendments or editions.
It is the constant aim of BSI to improve the quality of our products and services. We would be grateful if anyone finding an inaccuracy or ambiguity while using this British Standard would inform the Secr
bs英國標(biāo)準(zhǔn)】bs en 1461715 燒結(jié)石料.試驗(yàn)方法.抗壓強(qiáng)度測定
