BS-EN-1936-2006.pdf
《BS-EN-1936-2006.pdf》由会员分享,可在线阅读,更多相关《BS-EN-1936-2006.pdf(14页珍藏版)》请在三一文库上搜索。
1、BRITISH STANDARD BS EN 1936:2006 Natural stone test methods Determination of real density and apparent density, and of total and open porosity The European Standard EN 1936:2006 has the status of a British Standard ICS 73.020; 91.100.15 ? Licensed Copy: London South Bank University, London South Ban
2、k University, Thu Jan 18 01:22:54 GMT+00:00 2007, Uncontrolled Copy, (c) BSI BS EN 1936:2006 This British Standard was published under the authority of the Standards Policy and Strategy Committee on 31 January 2007 BSI 2007 ISBN 978-0-580-49919-7 National foreword This British Standard was published
3、 by BSI. It is the UK implementation of EN 1936:2006. It supersedes BS EN 1936:1999 which is withdrawn. The UK participation in its preparation was entrusted to Technical Committee B/545, Natural stone. A list of organizations represented on B/545 can be obtained on request to its secretary. This pu
4、blication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard cannot confer immunity from legal obligations. Amendments issued since publication Amd. No. DateComments Licensed Copy: London South
5、 Bank University, London South Bank University, Thu Jan 18 01:22:54 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EUROPEAN STANDARD NORME EUROPENNE EUROPISCHE NORM EN 1936 December 2006 ICS 73.020; 91.100.15Supersedes EN 1936:1999 English Version Natural stone test methods - Determination of real densi
6、ty and apparent density, and of total and open porosity Mthodes dessai des pierres naturelles - Dtermination des masses volumiques relle et apparente et des porosits ouvertes et totale Prfverfahren fr Naturstein - Bestimmung der Reindichte, der Rohdichte, der offenen Porositt und der Gesamtporositt
7、This European Standard was approved by CEN on 25 October 2006. 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 ref
8、erences concerning such national standards may be obtained 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
9、into its own language and notified to the Central Secretariat has the same status 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, Lithuan
10、ia, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom. EUROPEAN COMMITTEE FOR STANDARDIZATION COMIT EUROPEN DE NORMALISATION EUROPISCHES KOMITEE FR NORMUNG Management Centre: rue de Stassart, 36 B-1050 Brussels 2006 C
11、ENAll rights of exploitation in any form and by any means reserved worldwide for CEN national Members. Ref. No. EN 1936:2006: E Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:22:54 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 1936:2006 (E) 2 Contents Page F
12、oreword3 1 Scope 4 2 Normative references4 3 Principle4 4 Terms and definitions .4 5 Symbols5 6 Apparatus .5 7 Preparation of the specimens 6 7.1 Sampling.6 7.2 Test specimens6 7.3 Drying the specimens .6 8 Test procedure.6 8.1 Open porosity and apparent density.6 8.2 Real density7 8.2.1 General7 8.
13、2.2 Method A (pycnometer).7 8.2.3 Method B (Le Chatelier volumenometer) 7 9 Expression of results 8 9.1 General8 9.2 Apparent density8 9.3 Open porosity.8 9.4 Real density8 9.5 Total porosity.9 10 Test report9 Bibliography11 Licensed Copy: London South Bank University, London South Bank University,
14、Thu Jan 18 01:22:54 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 1936:2006 (E) 3 Foreword This document (EN 1936:2006) 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 standa
15、rd, either by publication of an identical text or by endorsement, at the latest by June 2007, and conflicting national standards shall be withdrawn at the latest by June 2007. This document supersedes EN 1936:1999. According to the CEN/CENELEC Internal Regulations, the national standards organizatio
16、ns of the following countries are bound to implement this European Standard: Austria, Belgium, Cyprus, Czech Republic, Denmark, Estonia, Finland, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Slovakia,
17、 Slovenia, Spain, Sweden, Switzerland and United Kingdom. Licensed Copy: London South Bank University, London South Bank University, Thu Jan 18 01:22:54 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 1936:2006 (E) 4 1 Scope This European standard specifies methods for determining the real density, ap
18、parent density, and open and total porosity of natural stone. 2 Normative 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
19、(including any amendments) applies. EN 12670:2001, Natural stone - Terminology ISO 3507, Laboratory glassware - Pyknometers 3 Principle After drying to constant mass, the apparent density and open porosity are determined by vacuum assisted water absorption and submerged weighing of specimens. The re
20、al density and total porosity require the specimen to be pulverised. 4 Terms and definitions For the purposes of this document, the terms and definitions given in EN 12670:2001 and the following apply. 4.1 apparent density (b) ratio between the mass of the dry specimen and its apparent volume 4.2 ap
21、parent volume volume limited by the external surface of the specimen, including any voids 4.3 volume of the solid part difference between the apparent volume of the specimen and the volume of the voids (open and closed pores) 4.4 real density (r) ratio between the mass of the dry specimen and the vo
22、lume of its solid part 4.5 open porosity ratio (as a percentage) between the volume of the open pores and the apparent volume of the specimen 4.6 total porosity ratio (as a percentage) between the volume of pores (open and closed) and the apparent volume of the specimen Licensed Copy: London South B
23、ank University, London South Bank University, Thu Jan 18 01:22:54 GMT+00:00 2007, Uncontrolled Copy, (c) BSI EN 1936:2006 (E) 5 5 Symbols md mass of the dry specimen, in grams; mh mass of the specimen immersed in water, in grams; ms mass of the saturated specimen, in grams; me mass of the specimen g
24、round and dried (for the tests using the pycnometer or the volumenometer), in grams; m1 mass of the pycnometer filled with water and the ground specimen, in grams; m2 mass of the pycnometer filled with water, in grams; Vb apparent volume of the specimen, in millilitres; Vo volume of open pores of th
- 配套讲稿:
如PPT文件的首页显示word图标,表示该PPT已包含配套word讲稿。双击word图标可打开word文档。
- 特殊限制:
部分文档作品中含有的国旗、国徽等图片,仅作为作品整体效果示例展示,禁止商用。设计者仅对作品中独创性部分享有著作权。
- 关 键 词:
- BS EN 1936 2006
链接地址:https://www.31doc.com/p-3739158.html