ISO 9652-4-2000 Masonry - Part 4 Test methods《砌体工程 第4部分 试验方法》.pdf
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1、Reference number ISO 9652-4:2000(E) ISO 2000 INTERNATIONAL STANDARD ISO 9652-4 First edition 2000-09-15 Masonry Part 4: Test methods Maonneries Partie 4: Mthodes dessaiISO 9652-4:2000(E) PDF disclaimer This PDF file may contain embedded typefaces. In accordance with Adobes licensing policy, this fil
2、e may be printed or viewed but shall not be edited unless the typefaces which are embedded are licensed to and installed on the computer performing the editing. In downloading this file, parties accept therein the responsibility of not infringing Adobes licensing policy. The ISO Central Secretariat
3、accepts no liability in this area. Adobe is a trademark of Adobe Systems Incorporated. Details of the software products used to create this PDF file can be found in the General Info relative to the file; the PDF-creation parameters were optimized for printing. Every care has been taken to ensure tha
4、t the file is suitable for use by ISO member bodies. In the unlikely event that a problem relating to it is found, please inform the Central Secretariat at the address given below. ISO 2000 All rights reserved. Unless otherwise specified, no part of this publication may be reproduced or utilized in
5、any form or by any means, electronic or mechanical, including photocopying and microfilm, without permission in writing from either ISO at the address below or ISOs member body in the country of the requester. ISO copyright office Case postale 56 CH-1211 Geneva 20 Tel. + 41 22 749 01 11 Fax + 41 22
6、749 09 47 E-mail copyrightiso.ch Web www.iso.ch Printed in Switzerland ii ISO 2000 All rights reservedISO 9652-4:2000(E) ISO 2000 All rights reserved iii Contents Page Forewordv Introductionvi 1 Scope 1 2 Normative references 1 3 Terms and definitions .1 4 Sampling.2 5 Determination of compressive s
7、trength of masonry units .2 5.1 General2 5.2 Sample size 2 5.3 Preparation of specimens.2 5.4 Apparatus .6 5.5 Test procedure.7 5.6 Calculation of results 7 5.7 Test report 7 5.8 Normalized compressive strength.8 6 Determination of compressive strength of mortar.9 6.1 Introduction9 6.2 Sampling.9 6.
8、3 Preparation and storage of test specimens9 6.4 Determination of compressive strength12 6.5 Test report 14 7 Determination of the compressive strength of masonry.15 7.1 General15 7.2 Number of specimens .15 7.3 Preparation of specimens.15 7.4 Apparatus .17 7.5 Test procedure.18 7.6 Calculations of
9、compressive strength 18 7.7 Test report 19 7.8 Modified results .19 8 Determination of the flexural strength of masonry20 8.1 General20 8.2 Sample size 20 8.3 Preparation of specimens.21 8.4 Apparatus .23 8.5 Test procedure.23 8.6 Calculations23 8.7 Test report 23 8.8 Modified results .24ISO 9652-4:
10、2000(E) iv ISO 2000 All rights reserved 9 Water absorption test for clay units (5-h boil) .25 9.1 Test specimens 25 9.2 Accuracy of weighings25 9.3 Preparation of specimens.25 9.4 Test procedure .25 9.5 Calculations25 9.6 Test report 26 Annex A (informative) Values of shape factor .27 Bibliography 2
11、8ISO 9652-4:2000(E) ISO 2000 All rights reserved v Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of preparing International Standards is normally carried out through ISO technical committees. Eac
12、h member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the Internation
13、al Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. Draft International Standards adopted by the technical committees are circulated to the member bodies for
14、 voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this part of ISO 9652 may be the subject of patent rights. ISO shall not be held responsible for identifying an
15、y or all such patent rights. International Standard ISO 9652-4 was prepared by Technical Committee ISO/TC 179, Masonry, Subcommittee SC 3, Test methods. ISO 9652 consists of the following parts, under the general title Masonry: Part 1: Unreinforced masonry design by calculation Part 2: Unreinforced
16、masonry design by simple rules Part 3: Code of practice for design of reinforced masonry Part 4: Test methods Part 5: Vocabulary Annex A forms a normative part of this part of ISO 9652.ISO 9652-4:2000(E) vi ISO 2000 All rights reserved Introduction ISO/TC 179 is responsible for the International Sta
17、ndards for design of masonry, either by calculation (see ISO 9652-1) or by simple rules (see ISO 9652-2). The test methods given in this part of ISO 9652 are standard reference test methods. They are used to determine the properties of masonry units, mortars and masonry elements needed in the design
18、 of structures. Test methods in national standards for determining the resistance of masonry units and elements to loads show considerable differences. This no doubt reflects both the history of the derivation of the test and the purpose to which the results are put, but the effect is that design me
19、thods are different in different countries. Researchers into masonry problems may use test methods, which differ again. National standards are appropriate for use in a particular country, as are research methods for specific investigations. However, parallel tests following the methods given in this
20、 part of ISO 9652 are necessary in order to establish a relationship between them and in order that a precise comparison of test results using different test methods may be obtained with confidence. The results from the reference test methods in this part of ISO 9652 are intended to provide a basic
21、common datum against which data obtained by different test methods may be strictly compared. More attention has been paid to precision and repeatability than to the provision of test methods of universal applicability. Even if all laboratories do not have the equipment to carry out these standard re
22、ference tests, there will usually be a national, often governmental, laboratory that has.INTERNATIONAL STANDARD ISO 9652-4:2000(E) ISO 2000 All rights reserved 1 Masonry Part 4: Test methods 1 Scope This part of ISO 9652 specifies reference methods for testing a) the compressive strength of masonry
23、units; b) the compressive strength of masonry; c) the flexural strength of masonry; d) the water absorption of clay units; and e) the compressive strength of mortar. It is applicable to masonry built with units of fired clay, calcium silicate, concrete (including autoclaved aerated concrete), natura
24、l stone or manufactured stone. NOTE The methods may be suitable for testing other walling materials, but they have not been examined as reference t e st sint h i sr e sp e ct . 2 Normative references The following normative documents contain provisions which, through reference in this text, constitu
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