SIST EN 13383-2:2019
(Main)Armourstone - Part 2: Test methods
Armourstone - Part 2: Test methods
This European Standard specifies sampling and test methods for natural, artificial and recycled aggregates for use as armourstone. This European Standard specifies the reference methods to be used for type testing and in case of dispute where an alternative method has been used. For other purposes, in particular factory production control, other methods may be used provided that an appropriate working relationship with the test method has been established.
Wasserbausteine - Teil 2: Prüfverfahren
Diese Europäische Norm legt Probenahme- und Prüfverfahren für natürliche, künstliche und rezyklierte Gesteinskörnungen für die Verwendung als Wasserbausteine fest. Diese Europäische Norm legt die Referenzverfahren fest, die für die Erstprüfung und in Streitfällen anzuwenden sind. Für andere Zwecke, speziell im Rahmen der werkseigenen Produktionskontrolle, dürfen andere Verfahren angewendet werden, sofern ein ausreichender Zusammenhang mit den Referenzverfahren nachgewiesen wurde.
Enrochements - Partie 2: Méthodes d'essai
Le présent document prescrit des méthodes d'échantillonnage et d'essai pour les granulats naturels, artificiels et recyclés destinés à être utilisés comme enrochements. Ce document précise les méthodes de référence à utiliser pour les essais de type et en cas de litige lorsqu'une méthode alternative a été utilisée. Pour d'autres fins, en particulier la maîtrise de la production des enrochements, il est permis d'utiliser d'autres méthodes, sous réserve qu'une relation valide et appropriée avec la méthode d'essai de référence ait été établie.
Kamen za obloge pri vodnih zgradbah in drugih gradbenih delih - 2. del: Preskusne metode
Ta evropski standard določa vzorčenje in preskusne metode za naravne, umetne ali reciklirane materiale za uporabo kot kamen za obloge pri vodnih zgradbah in drugih gradbenih delih. Ta evropski standard določa referenčne metode, ki se uporabljajo za tipsko preskušanje in v primeru spora, ko je bila uporabljena alternativna metoda. Za druge namene, zlasti za kontrolo proizvodnje v obratu, se lahko uporabijo druge metode, če obstaja primerna delovna povezava s preskusno metodo.
General Information
Relations
Standards Content (Sample)
SLOVENSKI STANDARD
SIST EN 13383-2:2019
01-oktober-2019
Nadomešča:
SIST EN 13383-2:2002
Kamen za obloge pri vodnih zgradbah in drugih gradbenih delih - 2. del:
Preskusne metode
Armourstone - Part 2: Test methods
Wasserbausteine - Teil 2: Prüfverfahren
Enrochements - Partie 2: Méthodes d'essai
Ta slovenski standard je istoveten z: EN 13383-2:2019
ICS:
91.100.15 Mineralni materiali in izdelki Mineral materials and
products
SIST EN 13383-2:2019 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST EN 13383-2:2019
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SIST EN 13383-2:2019
EN 13383-2
EUROPEAN STANDARD
NORME EUROPÉENNE
June 2019
EUROPÄISCHE NORM
ICS 91.100.15 Supersedes EN 13383-2:2002
English Version
Armourstone, Part 2: Test methods
Enrochements - Partie 2: Méthodes d'essai Wasserbausteine - Teil 2: Prüfverfahren
This European Standard was approved by CEN on 13 August 2018.
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 bibliographical references
concerning such national standards may be obtained on application to the CEN-CENELEC Management Centre 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 CEN-CENELEC Management
Centre has the same status as the official versions.
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,
Turkey and United Kingdom.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Rue de la Science 23, B-1040 Brussels
© 2019 CEN All rights of exploitation in any form and by any means reserved Ref. No. EN 13383-2:2019 E
worldwide for CEN national Members.
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EN 13383-2:2019 (E)
Contents Page
European foreword . 4
1 Scope . 5
2 Normative references . 5
3 Terms and definitions . 5
4 Methods for sampling . 7
4.1 General . 7
4.2 Principles of sampling . 8
4.3 Sampling plan. 8
4.4 Apparatus . 8
4.5 Sampling methods . 9
4.6 Sample reduction . 12
4.7 Sample preparation for Micro-Deval test where the appropriate particle size
is not available . 13
4.8 Marking, packaging and dispatch of samples . 14
4.9 Sampling registration . 14
5 Determination of the particle size distribution of coarse gradings . 15
5.1 Principle . 15
5.2 Apparatus . 15
5.3 Preparation of test portion . 15
5.4 Procedure . 16
5.5 Calculation and expression of results . 16
5.6 Test report . 17
6 Determination of the mass distribution of light and heavy gradings . 17
6.1 Principle . 17
6.2 Apparatus . 17
6.3 Preparation of test portion . 18
6.4 Procedure . 18
6.5 Calculation and expression of results . 18
6.6 Test report . 19
7 Determination of the percentage of pieces of armourstone with a length-to-
thickness ratio greater than 3 . 20
7.1 Principle . 20
7.2 Apparatus . 20
7.3 Preparation of test portion . 21
7.4 Procedure . 22
7.5 Calculation and expression of results . 22
7.6 Test report . 23
8 Determination of particle density and water absorption . 24
8.1 Principle . 24
8.2 Apparatus . 24
8.3 Materials . 24
8.4 Preparation of test portion . 25
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8.5 Test procedure . 25
8.6 Calculation and expression of results . 25
8.7 Test report . 26
9 Determination of resistance to freezing and thawing . 26
9.1 Principle . 26
9.2 Apparatus . 26
9.3 Materials . 28
9.4 Test portions . 28
9.5 Procedure . 29
9.6 Calculation and expression of results . 30
9.7 Test report . 30
10 Determination of signs of “Sonnenbrand” and disintegration of steel slags . 31
10.1 Principle . 31
10.2 Apparatus . 31
10.3 Materials . 31
10.4 Preparation of test portions . 32
10.5 Procedure . 32
10.6 Calculation and expression of results . 33
10.7 Test report . 33
Annex A (informative) Example of a sampling registration . 34
Annex B (informative) Example of a particle size distribution of a coarse grading . 36
Annex C (informative) Example of a mass distribution: reference method . 37
Annex D (informative) Example method for determination of mass distribution
(employing bulk weighing) . 39
D.1 Principle . 39
D.2 Apparatus . 39
D.3 Preparation of test portion . 39
D.4 Procedure . 39
D.5 Calculation and expression of results . 39
D.6 Test report . 40
Annex E (informative) Density of water . 43
Annex F (informative) Precision for determination of particle density and water
absorption (see Clause 8) . 44
Annex G (informative) Guidance on sampling for testing . 45
Annex H (informative) Guidance on sampling from floating plant . 50
H.1 General . 50
H.2 Sampling scheme 1 . 50
H.3 Sampling scheme 2 . 52
Bibliography . 55
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EN 13383-2:2019 (E)
European foreword
This document (EN 13383-2:2019) has been prepared by Technical Committee CEN/TC 154
“Aggregates”, the secretariat of which is held by BSI.
This document shall be given the status of a national standard, either by publication of an
identical text or by endorsement, at the latest by month year of December 2019, and conflicting
national standards shall be withdrawn at the latest by month year of December 2019.
Attention is drawn to the possibility that some of the elements of this document may be the
subject of patent rights. CEN shall not be held responsible for identifying any or all such patent
rights.
This document supersedes EN 13383-2:2002.
In comparison with the previous version, the following changes have been made:
— changes and clarifications to the sampling and sample reduction clauses, including a new
informative Annex on sampling from waterborne plant
— introduction of requirements for sample preparation for the Micro-Deval test previously in
EN 13383-1.
— deletion of an unused wet sieving method for the determination of particle size distribution
of coarse gradings of armourstone
— removal to an informative annex of a previously normative alternative to the reference
method for determination of mass distribution of light and heavy gradings.
Otherwise the majority of the changes from the previous version are editorial.
EN 13383 Armourstone consists of the following parts:
— Part 1: Specifications
— Part 2: Test methods
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EN 13383-2:2019 (E)
1 Scope
This document specifies sampling and test methods for natural, artificial and recycled
aggregates for use as armourstone. This document specifies the reference methods to be used
for type testing and in case of dispute where an alternative method has been used. For other
purposes, in particular factory production control, other methods may be used provided that an
appropriate working relationship with the test method has been established.
2 Normative references
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 932-1:1996, Tests for general properties of aggregates — Part 1: Methods for sampling
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
distribution — Sieving method
EN 933-2, Tests for geometrical properties of aggregates — Part 2: Determination of particle size
distribution — Test sieves, nominal size of apertures
EN 933-3, Tests for geometrical properties of aggregates — Part 3: Determination of particle
shape — Flakiness index
EN 1097-1:2011, Tests for mechanical and physical properties of aggregates — Part 1:
Determination of the resistance to wear (micro-Deval)
EN 1097-5, Tests for mechanical and physical properties of aggregates — Part 5: Determination of
the water content by drying in a ventilated oven
ISO 3310-2, Test sieves — Technical requirements and testing — Part 2: Test sieves of perforated
metal plate
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
ISO and IEC maintain terminological databases for use in standardization at the following
addresses:
• IEC Electropedia: available at http://www.electropedia.org/
• ISO Online browsing platform: available at http://www.iso.org/obp
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3.1
armourstone grading
armourstone designation with a nominal lower and upper limit
Note 1 to entry: This designation accepts the presence of undersize and oversize pieces of armourstone.
3.2
nominal lower limit
mass or sieve size in a grading below which the armourstone pieces are considered to be
undersized
3.3
nominal upper limit
mass or sieve size in a grading above which the armourstone pieces are considered to be
oversized
3.4
coarse grading
designation of grading with a nominal upper limit defined by a sieve size ≥ 90 mm and ≤ 250 mm
3.5
light grading
designation of grading with a nominal upper limit defined by a mass ≥ 40 and ≤ 300 kg
3.6
heavy grading
designation of grading with a nominal upper limit defined by a mass ≥ 1 000 kg
3.7
fragment
aggregate pieces in the finest fraction of coarse gradings or the lightest fraction of light and
heavy gradings for which the particle size distribution or mass distribution requirements apply
1
Note 1 to entry: For further information on grading, see EN 13383–1:—, Annex B .
3.8
batch
production quantity, delivery quantity, partial delivery quantity (railway wagon-load, lorry-load,
ship's cargo) or a stockpile produced at one time under conditions that are presumed uniform
3.9
sampling plan
procedure of allocation, withdrawal and preparation of a sample or samples from a material to
yield the required information
3.10
sampling increment
quantity of material taken from a batch by one operation of the sampling apparatus
3.11
bulk sample
aggregation of the sampling increments
1
Under preparation. Stage at the time of publication: FprEN 13383–1:2017.
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3.12
representative sample
sample created by taking sampling increments according to sampling plan, which makes it likely
that the quality of this sample corresponds to that of the batch
3.13
subsample
sample obtained from sampling increments or a bulk sample by means of a sample reduction
procedure
3.14
sampler
individual or a number of individuals working as a team, or an organisation, taking samples on a
routine basis
3.15
length
L
maximum dimension of a piece of armourstone as defined by the greatest distance apart of two
parallel planes tangential to the stone’s surface
3.16
thickness
T
minimum dimension of a piece of armourstone as defined by the least distance apart of two
parallel planes tangential to the stone’s surface
3.17
constant mass
successive weighings after drying at least 24 h apart not differing by more than 0,1 %
Note 1 to entry: In many cases, constant mass can be achieved after a test portion has been dried for a
pre-determined period in a specified oven at (110 ± 5) °C. Test laboratories can determine the time
required to achieve constant mass for specific types and sizes of sample dependent upon the drying
capacity of the oven used.
4 Methods for sampling
4.1 General
This clause describes methods for obtaining samples of armourstone from preparation and
processing plants including stocks and from silos, stockpiles and deliveries.
NOTE It is preferable for armourstone to be sampled at the quarry or during the loading for transport
(or unloading).
The aim of sampling is to obtain samples that are representative of the average properties of the
batch.
The methods described are also suitable for obtaining sampling increments, which are to be
tested separately.
Methods to be used for sample reduction are also given.
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4.2 Principles of sampling
Proper and careful sampling and sample transport is a prerequisite for an analysis that will give
reliable results. The correct use of the specified apparatus and methods helps to avoid biased
sampling inclusive the possibility of human bias introduced by visual selection. Sampling
variation caused by the heterogeneity of the batch shall be reduced to an acceptable level by
taking an adequate number of sampling increments.
NOTE For guidance on numbers and sizes of samples and test portions for testing armourstone as
specified in this document, see Annex G.
Sampling increments are selected at random from all parts of the batch that the samples are to
represent. Armourstone from which no sampling increment can be taken (because it is not
accessible, or for some other practical reason) shall not be considered to be part of the batch
that is represented by the samples. For example, if sampling increments are taken from
armourstone discharged from a silo, the samples represent the armourstone that has been
discharged, not the armourstone remaining in the silo.
The sampler shall be informed of the aim of the sampling.
4.3 Sampling plan
A sampling plan shall be prepared, prior to sampling, taking into account the grading type, the
nature and size of the batch, the local circumstances and the purposes of sampling. It shall
include:
a) the type of the armourstone;
b) the aim of the sampling including a list of the properties to be tested;
c) the identification of the sampling points;
d) the mass or number of stones of sampling increments;
e) the number of sampling increments;
f) the sampling apparatus to be used;
g) the methods of sampling and sample reduction with reference to the clauses of this
document;
h) the relevant marking, packaging and dispatch of the samples.
4.4 Apparatus
4.4.1 Apparatus for sampling
4.4.1.1 Grab, fitted to either a crane or a hydraulic machine.
4.4.1.2 Bucket or fork, fitted to a wheeled loader or a hydraulic machine.
4.4.1.3 Truck, for receiving and/or transport of samples.
4.4.1.4 Lifting equipment and lifting aids, for stones that cannot be moved manually.
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4.4.2 Apparatus for sample reduction and transport
4.4.2.1 A floor area, upon which samples can be deposited and tested. The floor shall be
sufficiently clean and close-textured to be able to distinguish and recover the material of the
sample from the floor material.
4.4.2.2 Shovels.
4.4.2.3 Rectangular sampling buckets, of sufficient size and of width not less than three
times the nominal upper grading limit.
4.4.2.4 Suitable plates and wires, for sample reduction.
4.4.2.5 Containers for transport, such as bags, buckets or other suitable containers.
4.5 Sampling methods
4.5.1 General
Regulations for safety and ergonomics shall be followed.
WARNING Some sampling methods will inevitably involve the samplers working close to
processing plant and moving vehicles. Those involved in the planning and execution of sampling
should work closely with the operational management to ensure safe working practices.
Mechanically selected gradings should preferably be sampled from a stationary conveyor belt or
from the stream of material. Sampling increments should be taken at regular intervals
throughout the period the batch is in motion. Gradings of which the pieces of armourstone are
individually handled may be sampled at the most convenient location.
Sampling from static batches should be avoided wherever possible since it is difficult to satisfy
the principle of taking sampling increments at random from all parts of the batch, and hence
segregation is likely to cause the sampling to produce biased results.
During sampling, grabs or other extraction equipment shall be filled to a minimum such that the
degree of filling does not adversely affect the representative nature of the sample or sampling
increment.
4.5.2 Sampling, for the determination of particle size distribution, mass distribution and
shape characteristics
4.5.2.1 Sampling of material in bucket conveyors, bucket loaders, or grabs
Each sampling increment shall consist of the entire contents of a grab or bucket.
When this gives too large a sampling increment, it should be reduced by one of the methods
described in 4.6.
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4.5.2.2 Sampling at belt and chute discharge points
The period during which the sampling is to be done shall be divided into a number of equal
intervals, and a sampling increment shall be taken in the middle of each interval.
A sample increment shall be taken by catching the discharge stream in a loader bucket, making
sure that the complete cross-section of the stream of material is intercepted. At the beginning
and the ending of the sampling, the edge of the bucket shall pass the cross-section of the stream
as fast as possible.
Where appropriate, sampling should only be started after a preliminary run to ensure that
possible irregularities in the pass do not lead to unrepresentative samples.
Samples may also be taken at the discharge from a screen by the same method.
4.5.2.3 Sampling from stationary conveyor belts
Sampling should only be started after a preliminary run to ensure that possible irregularities in
the pass do not lead to unrepresentative samples.
All sampling increments shall be taken at the same sampling point. In every sampling increment,
all material between two cross-sections shall be taken. The distance between the cross-sections
shall be determined by the required quantity of the sampling increment.
4.5.2.4 Sampling from a silo
Sampling at a silo outlet shall be carried out in accordance with 4.5.2.2.
During filling of a silo the material segregates and as a result the finer material tends to be found
in the centre of the silo with the coarser material along the wall sides. Alternating loading and
discharging of a silo leads to a complex segregation pattern in the silo and this segregation
causes variations in the particle size distribution of the discharged material. The number of
sampling increments should be related to this variation.
4.5.2.5 Sampling from stockpiles
When sampling from a segregated stockpile, from which material is being collected for
transporting, a sampling increment shall be taken from the material which is being taken from
the stockpile. For this purpose, the contents of one or more loader buckets, grabs, lorries or any
other means of handling or transport shall be taken. The period during which the sampling is
done shall be divided into a number of equal intervals and a sampling increment shall be taken
in the middle of each interval.
If at the time of sampling no material of a segregated stockpile is undergoing routine removal,
the removal of material shall be simulated so as not to distort the representativity of the
sampling increment wit
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