ДСТУ EN 1745:2022 Кирпичная кладка и кладочные изделия. Методы определения тепловых свойств (EN 1745:2020, IDT)

ДСТУ EN 1745:2022
(EN 1745:2020, IDT)

Цегляна кладка та кладкові вироби. Методи визначення теплових властивостей

 
   
 
 
     
Не є офіційним виданням.
Офіційне видання розповсюджує національний орган стандартизації
(ДП «УкрНДНЦ» http://uas.gov.ua)

Contents

European foreword

Introduction

1 Scope

2 Normative references

3 Terms, definitions and symbols

3.1 Terms and definitions

3.2 Symbols

4 Determination of λ_10,dry,unit - values for solid masonry units and λ_10,dry,mor - values for mortars

4.1 General

4.2 λ_10,dry,mat - values for solid masonry units and mortars

4.3 Test methods and numbers of samples to be taken

5 Determination of equivalent λ_10,dry,unit - values for masonry units with formed voids and composite masonry units

5.1 General

5.2 Calculation methods

5.3 λ_10,dry,unit-values of masonry units with formed voids and composite units

5.4 Test methods and numbers of samples to be taken

6 Moisture conversion

6.1 General

6.2 Procedure A (for materials, mortar, solid masonry units and masonry)

6.3 Procedure В (for masonry units with formed voids)

6.4 Procedure C (for composite masonry units)

7 Determination of design thermal values (R_design,mas or λ_design,mas) for masonry built from masonry units and mortar

7.1 General

7.2 R_design,mas - or λ_design,mas - values based on calculation

7.3 R_design,mas - or λ_design,mas - values of masonry built from masonry units with formed voids and mortar based on tabulated values

7.4 Method S4/P6 R_design,mas - or λ_design,mas - values of masonry based on masonry testing

8 Determination of the thermal transmittance of masonry

9 Specific heat capacity

10 Rounding rules for λ-values for masonry units and masonry

Annex A (normative) Tabulated λ_10,dry,mat -values of materials used for masonry products

Annex В (informative) R_dry,mas - or λ_10,dry,mas -values of masonry built from a range of masonry units containing formed voids

Annex C (informative) Example of how to use the tables in Annex В

Annex D (normative) Requirements for appropriate calculation procedures

Annex E (informative) Assessment and verification of constancy of performance

Annex F (informative) Alternative procedure for the moisture correction of units with formed voids

Annex G (informative) Simplified methodology for determining design moisture content of composite masonry units