FprEN 15732

SLOVENSKI STANDARD
oSIST prEN 15732:2019
01-julij-2019
Toplotnoizolacijski in lahki polnilni proizvodi za inženirske objekte (CEA) -
Proizvodi iz ekspandiranega glinenega agregatnega proizvoda (LWA)

Light weight fill and thermal insulation products for civil engineering applications (CEA) -

Matériaux de remplissage légers et produits isolants thermiques pour les applications du

2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

Matériaux de remplissage légers et produits isolants Leichte Schütt- und Wärmedämmstoffe für

thermiques pour les applications du génie civil - bautechnische Anwendungen (CEA) - Produkte aus

Produits à base de granulats légers d'argile expansée Blähton-Leichtzuschlagstoffen (LWA)

This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee

If this draft becomes a European Standard, 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.

This draft European Standard was established by CEN 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 CEN-CENELEC

CEN members are the national standards bodies of Austria, Belgium, Bulgaria, Croatia, Cyprus, Czech Republic, Denmark, Estonia,

Finland, Former Yugoslav Republic of Macedonia, France, Germany, Greece, Hungary, Iceland, Ireland, Italy, Latvia, Lithuania,

Luxembourg, Malta, Netherlands, Norway, Poland, Portugal, Romania, Serbia, Slovakia, Slovenia, Spain, Sweden, Switzerland,

Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are

Warning : This document is not a European Standard. It is distributed for review and comments. It is subject to change without

© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 15732:2019 E

European foreword ...................................................................................................................................................... 5

1 Scope .................................................................................................................................................................... 6

2 Normative references .................................................................................................................................... 6

3 Terms, definitions, symbols and abbreviated terms ......................................................................... 7

3.1 Terms and definitions ................................................................................................................................... 7

3.2 Symbols, units and abbreviated terms .................................................................................................... 8

4 Product characteristics ................................................................................................................................. 9

4.1 General................................................................................................................................................................ 9

4.2 For all applications ......................................................................................................................................... 9

4.2.1 Loose bulk density .......................................................................................................................................... 9

4.2.2 Aggregate size .................................................................................................................................................. 9

4.2.3 Reaction to fire............................................................................................................................................... 10

4.2.4 Durability characteristics .......................................................................................................................... 10

4.3 For specific applications ............................................................................................................................. 10

4.3.1 General.............................................................................................................................................................. 10

4.3.2 Thermal resistance and thermal conductivity ................................................................................... 10

4.3.3 Specific heat capacity .................................................................................................................................. 10

4.3.4 Particle density .............................................................................................................................................. 11

4.3.5 Water content ................................................................................................................................................. 11

4.3.6 Water absorption .......................................................................................................................................... 11

4.3.7 Compressibility and confined compressive strength ...................................................................... 11

4.3.8 Compressive creep ....................................................................................................................................... 11

4.3.9 Shear strength – static loading ................................................................................................................. 11

4.3.10 Cyclic compression ....................................................................................................................................... 11

4.3.11 Shear strength – cyclic loading................................................................................................................. 11

4.3.12 Water permeability ...................................................................................................................................... 11

4.3.13 Water vapour transmission ...................................................................................................................... 12

4.3.14 Chemical characteristics ............................................................................................................................ 12

4.3.15 Freezing and thawing resistance............................................................................................................. 12

4.3.16 Dangerous substances................................................................................................................................. 12

4.4 Other characteristics — Bulk crushing resistance ........................................................................... 12

5 Test methods .................................................................................................................................................. 12

5.1 Sampling and sample reduction .............................................................................................................. 12

5.2 Conditioning ................................................................................................................................................... 12

5.3 Testing .............................................................................................................................................................. 12

6 Designation code ........................................................................................................................................... 13

7 Assessment and Verification of the Constancy of Performance (AVCP) ................................... 14

7.1 General.............................................................................................................................................................. 14

7.2 Product-type Testing ................................................................................................................................... 14

7.3 Factory Production Control (FPC) .......................................................................................................... 14

8 Marking and labelling ................................................................................................................................. 14

Annex A (normative) Test for mechanical and physical properties of expanded clay LWA –

Static Triaxial Compression Test for determination of shear strength properties .............. 16

A.1 Scope ................................................................................................................................................................. 16

A.2 Definitions, symbols and abbreviations ............................................................................................... 16

A.3 Principle ........................................................................................................................................................... 17

A.4 Triaxial apparatus ........................................................................................................................................ 17

A.4.1 General ............................................................................................................................................................. 17

A.4.2 Loading device ............................................................................................................................................... 17

A.4.3 Confining pressure device ......................................................................................................................... 17

A.4.4 Displacement transducers ........................................................................................................................ 17

A.4.5 Calibration....................................................................................................................................................... 18

A.4.6 Specimen cap and base ............................................................................................................................... 19

A.4.7 Porous discs .................................................................................................................................................... 19

A.5 Preparation of samples .............................................................................................................................. 20

A.5.1 Number of test specimens ......................................................................................................................... 20

A.5.2 Procedures for compaction of laboratory test specimens ............................................................. 20

A.5.3 Compaction using vibrations .................................................................................................................... 20

A.5.4 Other means of compaction ...................................................................................................................... 20

A.6 Test procedures for determination of strength properties .......................................................... 20

A.7 Test report ...................................................................................................................................................... 21

A.7.1 General ............................................................................................................................................................. 21

A.7.2 General data ................................................................................................................................................... 21

A.7.3 Friction characteristics............................................................................................................................... 21

Annex B (normative) Test for mechanical and physical properties of expanded clay LWA —

Determination of the resistance to cyclic compressive loading .................................................. 22

B.1 Scope ................................................................................................................................................................. 22

B.2 Definitions ....................................................................................................................................................... 22

B.3 Principle ........................................................................................................................................................... 22

B.4 Apparatus ........................................................................................................................................................ 22

B.5 Preparation of test specimens ................................................................................................................. 24

B.6 Test procedure .............................................................................................................................................. 24

B.6.1 General ............................................................................................................................................................. 24

B.6.2 Measurement of height h .......................................................................................................................... 24

B.6.3 Filling of the container and calculation of the mass ........................................................................ 25

B.6.4 Compaction by vibration (compressibility) ........................................................................................ 25

B.6.5 Deformation by static loading .................................................................................................................. 25

B.6.6 Cyclic compression ....................................................................................................................................... 25

B.7 Calculations and expression of results ................................................................................................. 26

B.7.1 Compaction by vibration (compressibility) ........................................................................................ 26

B.7.2 Bulk density .................................................................................................................................................... 27

B.7.3 Deformation by static loading .................................................................................................................. 27

B.7.4 Cyclic compression ....................................................................................................................................... 27

B.8 Test report ...................................................................................................................................................... 28

B.8.1 Required data ................................................................................................................................................. 28

B.8.2 Optional data .................................................................................................................................................. 28

Annex C (normative) Test for mechanical and physical properties of expanded clay LWA —

Determination of the compressive creep............................................................................................. 29

C.1 Scope ................................................................................................................................................................. 29

C.2 Definitions ....................................................................................................................................................... 29

C.3 Principle ........................................................................................................................................................... 29

C.4 Apparatus ........................................................................................................................................................ 29

C.5 Preparation of test specimens ................................................................................................................. 31

C.6 Test procedure .............................................................................................................................................. 31

C.6.1 Measurements of height h ........................................................................................................................ 31

C.6.2 Filling of the container and calculation of mass ................................................................................ 31

C.6.3 Compaction by vibration (compressibility) ........................................................................................ 31

C.6.4 Deformation by static loading (before creep measurements) ..................................................... 31

C.6.5 Compressive creep ....................................................................................................................................... 31

C.7 Calculations and expression of results ................................................................................................. 32

C.7.1 Compaction by vibration (compressibility) ........................................................................................ 32

C.7.2 Bulk density .................................................................................................................................................... 33

C.7.3 Deformation by static loading (before creep measurement) ....................................................... 33

C.7.4 Compressive creep ....................................................................................................................................... 33

C.8 Test report ....................................................................................................................................................... 34

C.8.1 Required data ................................................................................................................................................. 34

C.8.2 Optional data .................................................................................................................................................. 34

Annex D (normative) Indicative test frequencies for factory production control (FPC) ................... 35

Annex E (informative) Tabulated λ -values of expanded clay LWA in lightweight fill

applications ..................................................................................................................................................... 36

Annex ZA (informative) Relationship between this European Standard with Regulation (EU)

No. 305/2011 .................................................................................................................................................. 37

ZA.1 Scope and relevant characteristics ......................................................................................................... 37

ZA.2 System of Assessment and Verification of Constancy of Performance (AVCP) ....................... 39

ZA.3 Assignment of AVCP tasks .......................................................................................................................... 39

Bibliography ................................................................................................................................................................. 42

This document (prEN 15732:2019) has been prepared by Technical Committee CEN/TC 88 “Thermal

This document has been prepared under a standardization request given to CEN/CENELEC by the

For relationship with Regulation (EU) No 305/2011, see informative Annex ZA, which is an integral part

a. Amending terminology and Annex ZA to be consistent with the Construction Products Regulation;

b. Adding a specific clause on declaration of dangerous substances based a dossier approved by EC;

d. Replacement of the former clause on Evaluation of Conformity, and the normative text from the

former Annex on factory Production Control, with new normative clauses on Assessment and

This document specifies the characteristics for loose-fill expanded clay lightweight aggregate (expanded

clay LWA) products for Civil Engineering Applications excluding the use as thermal insulation in and

under buildings which are covered by EN 14063-1. The document covers the use of expanded clay LWA

as lightweight fill and insulation materials in embankments for roads, railways and other trafficked

This document also describes the product characteristics and includes procedures for testing,

assessment and verification of the constancy of performance (AVCP), marking and labelling.

This document does not specify the required level of a given property to be achieved by a product to

The following documents are referred to in the text in such a way that some or all of their content

constitutes requirements of this document. For dated references, only the edition cited applies. For

undated references, the latest edition of the referenced document (including any amendments) applies.

EN 932-1, Tests for general properties of aggregates – Part 1: Methods for sampling

EN 932-2, Tests for general properties of aggregates – Part 2: Methods for reducing laboratory samples

EN 932-5, Tests for general properties of aggregates – Part 5: Common equipment and calibration

EN 933-1, Tests for geometrical properties of aggregates – Part 1: Determination of particle size

EN 1097-3, Tests for mechanical and physical properties of aggregates – Part 3: Determination of loose

EN 1097-5, Tests for mechanical and physical properties of aggregates – Part 5: Determination of the

EN 1097-6:2013, Tests for mechanical and physical properties of aggregates – Part 6: Determination of

EN 1097-11, Tests for mechanical and physical properties of aggregates – Part 11: Determination of

EN 1367-7, Tests for thermal and weathering properties of aggregates – Part 7: Determination of

EN 13286-4, Unbound and hydraulically bound mixtures – Part 4: Test methods for laboratory reference

EN 13286-5, Unbound and hydraulically bound mixtures – Part 5: Test methods for laboratory reference

EN 13286-7, Unbound and hydraulically bound mixtures – Part 7: Cyclic load triaxial test for unbound

EN 13501-1, Fire classification of construction products and building elements – Part 1: Classification

EN 13820, Thermal insulating materials for building applications – Determination of organic content

EN 14063-1, Thermal insulation products for buildings – In-situ formed expanded clay lightweight

aggregate products – Part 1: Specification for the loose-fill products before installation

CEN/TS 16637-3, Construction products – Assessment of release of dangerous substances – Part 3:

EN ISO 10456, Building materials and products – Hygrothermal properties –Tabulated design values and

For the purposes of this document, the terms and definitions given in EN ISO 9229:2007 and the

ISO and IEC maintain terminological databases for use in standardization at the following addresses:

insulation material or product composed of lightweight granular material having a cellular structure

deformation at a defined load and given number of cyclic compressive loading cycles with square wave

mechanical compression of the installed insulation layer, expressed as a percentage of the initial

result of the assessment of the performance of a construction product in relation to its essential

range of levels, delimited by a minimum and a maximum value, of performance of a construction

value or range of values that a manufacturer is confident in achieving, taking into account the precision

of test methods used, the variability of the production process(-es) and the product performance

CS(10) is the declared level for confined compressive strength at 10 % deformation (N/mm )

CS(2) is the declared level for confined compressive strength at 2 % deformation (N/mm )

CY(i/n) is the declared deformation at a defined (i) load after a defined number (n) of cyclic