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10/30228898 DC : 0

Superseded
Superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

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superseded

A superseded Standard is one, which is fully replaced by another Standard, which is a new edition of the same Standard.

BS EN 1745 - MASONRY AND MASONRY PRODUCTS - METHODS FOR DETERMINING THERMAL PROPERTIES
Available format(s)

Hardcopy , PDF

Superseded date

04-30-2012

Language(s)

English

Foreword
Introduction
1 Scope
2 Normative references
3 Terms, definitions and symbols
4 Procedures to determine lambda[10,dry,unit]
   -values for solid masonry units and lambda
   [10,dry,mor]-values for mortars
5 Procedures to determine lambda[10,dry,unit]-values
   for masonry units with formed voids and composite
   masonry units
6. Moisture conversion
7 Procedures to determine design thermal values
   ([Rdesign, mas or lambdadesign, mas]) for masonry
   built from masonry units and mortar
8. Determination of the thermal transmittance of masonry
9. Rounding rules design lambda-values for masonry
Annex A (normative) - Tabulated lambda[10,dry,mat]-values
        of materials used for masonry products and
        mortar products
Annex B (informative) - R[dry,mas] - or lambda[10,dry,
        mas]-values of masonry built from a range of
        masonry units containing formed voids
Annex C (informative) - Example how to use the table
        in annex B
Annex D (normative) - Requirements for appropriate
        calculation procedures
Annex E (informative) - Evaluation of conformity
Annex F (informative) - Alternative procedure for
        the moisture correction of units with formed
        voids

BS EN 1745

Committee
B/519
DocumentType
Draft
Pages
77
PublisherName
British Standards Institution
Status
Superseded
SupersededBy

Standards Relationship
PREN 1745 : DRAFT 2010 Identical

EN 998-2:2016 Specification for mortar for masonry - Part 2: Masonry mortar
EN 1015-10:1999/A1:2006 METHODS OF TEST FOR MORTAR FOR MASONRY - PART 10: DETERMINATION OF DRY BULK DENSITY OF HARDENED MORTAR
EN ISO 10456:2007/AC:2009 BUILDING MATERIALS AND PRODUCTS - HYGROTHERMAL PROPERTIES - TABULATED DESIGN VALUES AND PROCEDURES FOR DETERMINING DECLARED AND DESIGN THERMAL VALUES
EN 1934:1998 Thermal performance of buildings - Determination of thermal resistance by hot box method using heat flow meter - Masonry
EN ISO 8990:1996 Thermal insulation - Determination of steady-state thermal transmission properties - Calibrated and guarded hot box (ISO 8990:1994)
EN ISO 6946:2017 Building components and building elements - Thermal resistance and thermal transmittance - Calculation methods (ISO 6946:2017, Corrected version 2021-12)
EN 772-16:2011 Methods of test for masonry units - Part 16: Determination of dimensions
EN 772-3:1998 Methods of test for masonry units - Part 3: Determination of net volume and percentage of voids of clay masonry units by hydrostatic weighing
EN 12664:2001 Thermal performance of building materials and products - Determination of thermal resistance by means of guarded hot plate and heat flow meter methods - Dry and moist products of medium and low thermal resistance
EN ISO 10211-1 : 95 COR 2002 THERMAL BRIDGES IN BUILDING CONSTRUCTION - CALCULATION OF HEAT FLOWS AND SURFACE TEMPERATURES - PART 1: GENERAL METHODS
EN 772-4:1998 Methods of test for masonry units - Part 4: Determination of real and bulk density and of total and open porosity for natural stone masonry units
EN 772-13:2000 Methods of test for masonry units - Part 13: Determination of net and gross dry density of masonry units (except for natural stone)
EN 998-1:2016 Specification for mortar for masonry - Part 1: Rendering and plastering mortar

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