NEN EN 1745 : 2012
Withdrawn
View Superseded by
MASONRY AND MASONRY PRODUCTS - METHODS FOR DETERMINING THERMAL PROPERTIES
01-12-2013
08-01-2020
1 Scope
2 Normative references
3 Definitions and symbols
3.2 Definitions
3.3 Symbols
4 Procedures to determine design thermal values for solid masonry
units and mortars
4.1 General
4.2 Basic lambda-values for solid masonry units and mortars
4.2.1 Tabulated lambda-values (determination based on
lambda-density relation only)
4.2.2 Measured lambda-values (determination based on h-density
relation and initial type testing of lambda)
4.3 Design R[nu]- or lambda[nu]-values for solid masonry units and
mortars
5 Procedures to determine design thermal values (R[nu] or equivalent
lambda[nu]) of masonry built from solid masonry units and mortar
5.1 Test measurements
5.2 Calculation methods
5.2.1 General
5.2.2 Numerical calculation
5.2.3 Simplified calculation
6 Procedures to determine design thermal values (R[nu] or equivalent
lambda[nu]) for masonry units with formed voids and composite
masonry units and for walls built from such units and mortar
6.1 General
6.2 R[nu]- or equivalent lambda[nu]-values of masonry units with
formed voids and composite masonry units
6.3 R[nu]- or equivalent lambda[nu]-values of masonry built from
masonry units with formed voids or composite masonry units
and mortar
6.3.1 Tabulated values
6.3.2 Test measurements
6.3.3 Calculation methods
7 Determination of the thermal transmittance of masonry
Annex A (normative) Tabulated lambda[10,dry]-values of materials
used for masonry products and mortar products
Annex B (informative) Tabulated basic R- or equivalent
lambda-values of masonry built from masonry units
with formed voids
Annex C (informative) Example how to use the table in annex B
Annex D (normative) Requirements for appropriate calculation
procedures
D.l Capabilities of the program
D.2 Input data and results
D.3 Testing of the program accuracy
D.4 Reference cases
Annex E (normative) Evaluation of conformity of lambda- or R-values
E.l General
E.2 Initial thermal type-testing of a product
E.3 Factory production control
E.3.1 Control of finished products - based on tabulated
values
E.3.2 Control of finished products - based on
measurements
Annex ZA (informative) A-deviations
Bibliography
Defines procedures for the determination of thermal properties of masonry and masonry products.
| DocumentType |
Standard
|
| PublisherName |
Netherlands Standards
|
| Status |
Withdrawn
|
| SupersededBy |
| Standards | Relationship |
| NF EN 1745 : 2012 | Identical |
| NBN EN 1745 : 2012 | Identical |
| NS EN 1745 : 2012 | Identical |
| I.S. EN 1745:2012 | Identical |
| BS EN 1745:2012 | Identical |
| EN 1745:2012 | Identical |
| DIN EN 1745:2012-07 | Identical |
| UNE-EN 1745:2013 | Identical |