BS EN 772-7-1998 Methods of test for masonry units - Determination of water absorption of clay masonry damp proof course units by boiling in water《砖石结构体的试验方法 用水煮沸法对陶土砖石防潮层吸水性的测定》.pdf
《BS EN 772-7-1998 Methods of test for masonry units - Determination of water absorption of clay masonry damp proof course units by boiling in water《砖石结构体的试验方法 用水煮沸法对陶土砖石防潮层吸水性的测定》.pdf》由会员分享,可在线阅读,更多相关《BS EN 772-7-1998 Methods of test for masonry units - Determination of water absorption of clay masonry damp proof course units by boiling in water《砖石结构体的试验方法 用水煮沸法对陶土砖石防潮层吸水性的测定》.pdf(6页珍藏版)》请在麦多课文档分享上搜索。
1、| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | BRITISH STANDARD BS EN 772-7:1998 The Euro
2、pean Standard EN 772-7:1998 has the status of a British Standard ICS 91.100.20 NO COPYING WITHOUT BSI PERMISSION EXCEPT AS PERMITTED BY COPYRIGHT LAW Methods of test for masonry units Part 7: Determination of water absorption of clay masonry damp proof course units by boiling in waterBS EN 772-7:199
3、8 This British Standard, having been prepared under the direction of the Sector Committee for Building and Civil Engineering, was published under the authority of the Standards Committee and comes into effect on 15 December 1998 BSI 1998 ISBN 0 580 30696 8 Amendments issued since publication Amd. No
4、. Date Text affected National foreword This British Standard is the English language version of EN 772-7:1998. It is included in a package of standards declared by CEN/TC 125 and is intended that it will partially supersede BS 3921:1985 Specification for clay bricks which will be withdrawn on 30 Sep
5、tember 2000 if all the European Standards included in the package are available. The UK participation in its preparation was entrusted by Technical Committee B/519, Masonry and associated testing, to Subcommittee B/519/1, Masonry units, which has the responsibility to: aid enquirers to understand th
6、e text; present to the responsible European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. A list of organizations represented on this subcommittee can
7、be obtained on request to its secretary. Cross-references The British Standards which implement international or European publications referred to in this document may be found in the BSI Standards Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “
8、Find” facility of the BSI Standards Electronic Catalogue. A British Standard does not purport to include all the necessary provisions of a contract. Users of British Standards are responsible for their correct application. Compliance with a British Standard does not of itself confer immunity from le
9、gal obligations. Summary of pages This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 3 and a back cover.CEN European Committee for Standardization Comite Europe en de Normalisation Europa isches Komitee fu r Normung Central Secretariat: rue de Stassart 36, B-
10、1050 Brussels 1998 CEN All rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 772-7:1998 E EUROPEAN STANDARD EN 772-7 NORME EUROPE ENNE EUROPA ISCHE NORM August 1998 ICS 91.100.20 Descriptors: construction, masonry units, clay, water absorpti
11、on tests, determination, water absorption, boiling water English version Methods of test for masonry units Part 7: Determination of water absorption of clay masonry damp proof course units by boiling in water Me thodes dessai des e le ments de maonnerie Partie 7: De termination de labsorption deau a
12、 leau bouillante des e le ments de maonnerie en terre cuite servant de coupure de capillarite Pru fverfahren fu r Mauersteine Teil 7: Bestimmung der Wasseraufnahme von Mauerziegeln fu r Feuchteisolierschichten durch Lagerung in siedendem Wasser This European Standard was approved by CEN on 2 July 19
13、98. CEN members are bound 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
14、on application to the 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 Secretari
15、at has the same status as the official versions. CEN members are the national standards bodies of Austria, Belgium, Czech Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and United Kingdom.Page 2 EN 7
16、72-7:1998 BSI 1998 Foreword This European Standard has been prepared by Technical Committee CEN/TC 125, Masonry, the Secretariat of which is held by BSI. This European Standard shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the late
17、st by February 1999, and conflicting national standards shall be withdrawn at the latest by September 2000. According to the CEN/CENELEC Internal Regulations, the national standards organizations of the following countries are bound to implement this European Standard: Austria, Belgium, Czech Republ
18、ic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom. Contents Page Foreword 2 1 Scope 3 2 Normative references 3 3 Principle 3 4 Symbols 3 5 Apparatus 3 6 Preparation of specimens 3 7 Tes
19、t procedure 3 8 Calculation and expression of results 3 9 Evaluation of results 3 10 Test report 3Page 3 EN 772-7:1998 BSI 1998 1 Scope This European Standard specifies a method for determining the water absorption of damp proof course clay masonry units by boiling the specimens in water for a fixed
20、 period. 2 Normative references This European Standard incorporates by dated or undated reference, provisions from other publications. These normative references are cited at the appropriate places in the text and the publications are listed hereafter. For dated references subsequent amendments to o
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