National foreword

This British Standard is the official English language version of EN 772‑2:1998, including amendment A1:2005. It is included in a package of standards declared by CEN/TC 125 and is intended that it will partially

supersede BS 6073‑1:1981, Specification for precast concrete masonry units which will be withdrawn on 30 September 2000 if all the European Standards included in the package are available.

The start and finish of text introduced or altered by CEN amendment is indicated in the text by tags Tags indicating changes to CEN text carry the number of the amendment. For example, text altered by CEN amendment A1 is indicated by

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 the text;
present to the responsible international/European committee any enquiries on the interpretation, or proposals for change, and keep UK interests informed;
monitor related international and Europe an developments and promulgate the min 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 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. Users are responsible for its correct application.

Compliance with a British Standard does not of itself confer immunity from legal obligations.

Summary of pages

This document comprises a front cover, an inside front cover, the EN title page, pages 2 to 4, an inside back cover and a back cover.

The BSI copyright notice displayed in this document indicates when the document was last issued.

This British Standard was published under the authority of the Standards Policy and Strategy Committee on 15 December 1998

This European Standard was approved by CEN on 2 July 1998, amendment A1 was approved by CEN on 29 December 2005.

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 bibliographica references concerning such national standards maybe 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 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, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

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 latest 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 Republic, Denmark, Finland, France, Germany, Greece, Iceland, Ireland, Italy, Luxembourg, Netherlands, Norway, Portugal, Spain, Sweden, Switzerland and the United Kingdom.

Foreword to amendment Al

This document (EN 771‑2:1998/A1:2005) has been prepared by Technical Committee CEN/TC 125 Masonry, the Secretariat of which is held by BSI.

This Amendment to the European Standard EN 772‑2:1998 shall be given the status of a national standard, either by publication of an identical text or by endorsement, at the latest by August 2005, and conflicting national standards shall be withdrawn at the latest by August 2005.

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, Iceland, Ireland, Italy, Latvia, Lithuania, Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Slovakia, Slovenia, Spain, Sweden, Switzerland and United Kingdom.

1 Scope

This European Standard specifies a method of determining the percentage area of voids in Text deleted masonry units.

2 Normative references

3 Principle

4 Symbols

5 Materias

6 Apparatus

6.1 Compression testing machine.

6.2 Planimeter

6.3

7 Preparation of specimens

7.1 Sampling

7.2 Surface treatment

8 Test procedure

8.1 Obtaining the indentations

8.2 Measurement

9 Expression of results

10 Test report

BS EN 772-2:1998

Methods of test for masonry units - Determination of percentage area of voids in masonry units (by paper indentation)

Current, Under Review

Published:

15 Dec 1998