SIST-TS CEN/TS 12697-51:2017
(Main)Bituminous mixtures - Test methods - Part 51: Surface shear strength test
Bituminous mixtures - Test methods - Part 51: Surface shear strength test
This Technical Specification describes a test method for measuring the surface shear strength for airfield surface courses, which is a measure of the robustness of asphalt surface courses against shearing. The surface shear strength will depend on the depth of the surface course together with the properties of the surface course material. The binder course material and any bonding agent applied between the two layers may have an influence on the test result for, in particular, ultra-thin surface course.
NOTE The test was designed for use on airfield runways and taxiways.
Asphalt - Prüfverfahren - Teil 51: Scherfestigkeitsprüfung für Asphaltdecken
Diese Technische Spezifikation beschreibt für Asphaltdecken auf Flugplätzen ein Prüfverfahren zum Messen der Scher(haft)festigkeit, die ein Maß für die Widerstandsfähigkeit dieser Deckschichten gegen Scher-beanspruchung ist. Die Scher(haft)festigkeit hängt von der Dicke (Tiefe) der Fahrbahndeckschicht sowie von den Eigenschaften der verwendeten Straßenbaustoffe ab. Besonders für sehr dünne Asphaltdeckschichten können die Prüfergebnisse durch das für die Binderschicht verwendete Material und den zwischen den beiden Schichten verwendeten Haftkleber beeinflusst werden.
ANMERKUNG Die Prüfung wurde für Start und Landebahnen sowie für Rollbahnen konzipiert.
Mélanges bitumineux - Méthodes d'essai - Partie 51: Essai de résistance de liaison au cisaillement
Bitumenske zmesi - Preskusne metode - 51. del: Preskus strižne trdnosti površine
Ta tehnična specifikacija opisuje preskusno metodo za merjenje površinske strižne trdnosti za obrobne plasti na letališču, kar je merilo robustnosti asfaltnih obrabnih plasti v primerjavi z urezninami. Površinska strižna trdnost bo odvisna od globine površinskega toka skupaj z lastnostmi površinskega materiala. Material za vezivo in vsa vezivna sredstva, ki se nanesejo med dvema slojema, lahko vplivajo na rezultat testa, še posebej na ultra tankih obrabnih plasteh.
OPOMBA Preskus je bil zasnovan za uporabo na pristajalnih stezah letališč in dovoznih stezah.
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SLOVENSKI STANDARD
SIST-TS CEN/TS 12697-51:2017
01-oktober-2017
Bitumenske zmesi - Preskusne metode - 51. del: Preskus strižne trdnosti površine
Bituminous mixtures - Test methods - Part 51: Surface shear strength test
Asphalt - Prüfverfahren - Teil 51: Scherfestigkeitsprüfung für Asphaltdecken
Mélanges bitumineux - Méthodes d'essai - Partie 51: Essai de résistance de liaison au
cisaillement
Ta slovenski standard je istoveten z: CEN/TS 12697-51:2017
ICS:
93.080.20 Materiali za gradnjo cest Road construction materials
SIST-TS CEN/TS 12697-51:2017 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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SIST-TS CEN/TS 12697-51:2017
CEN/TS 12697-51
TECHNICAL SPECIFICATION
SPÉCIFICATION TECHNIQUE
August 2017
TECHNISCHE SPEZIFIKATION
ICS 93.080.20
English Version
Bituminous mixtures - Test methods - Part 51: Surface
shear strength test
Mélanges bitumineux - Méthodes d'essai - Partie 51: Asphalt - Prüfverfahren - Teil 51:
Essai de résistance au cisaillement Scherfestigkeitsprüfung für Asphaltdecken
This Technical Specification (CEN/TS) was approved by CEN on 20 April 2015 for provisional application.
The period of validity of this CEN/TS is limited initially to three years. After two years the members of CEN will be requested to
submit their comments, particularly on the question whether the CEN/TS can be converted into a European Standard.
CEN members are required to announce the existence of this CEN/TS in the same way as for an EN and to make the CEN/TS
available promptly at national level in an appropriate form. It is permissible to keep conflicting national standards in force (in
parallel to the CEN/TS) until the final decision about the possible conversion of the CEN/TS into an EN is reached.
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: Avenue Marnix 17, B-1000 Brussels
© 2017 CEN All rights of exploitation in any form and by any means reserved Ref. No. CEN/TS 12697-51:2017 E
worldwide for CEN national Members.
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CEN/TS 12697-51:2017 (E)
Contents Page
European foreword . 3
1 Scope . 6
2 Normative references . 6
3 Terms and definitions . 6
4 Principle . 6
5 Apparatus . 7
6 Materials . 7
7 Procedure. 8
7.1 Site . 8
7.2 In situ procedure . 8
7.3 Laboratory procedure . 9
7.4 Conditioning procedure . 10
8 Calculation and expression of results . 10
9 Test report . 11
10 Precision . 12
Annex A (informative) Examples of typical failure modes . 13
2
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CEN/TS 12697-51:2017 (E)
European foreword
This document (CEN/TS 12697-51:2017) has been prepared by Technical Committee CEN/TC 227
“Road materials”, the secretariat of which is held by DIN.
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 Technical Specification is one of a series of standards as listed below:
— EN 12697-1, Bituminous mixtures — Test methods for hot mix asphalt — Part 1: Soluble binder
content
— EN 12697-2, Bituminous mixtures — Test methods — Part 2: Determination of particle size
distribution
— EN 12697-3, Bituminous mixtures — Test methods for hot mix asphalt — Part 3: Bitumen recovery:
Rotary evaporator
— EN 12697-4, Bituminous mixtures — Test methods — Part 4: Bitumen recovery: Fractionating
column
— EN 12697-5, Bituminous mixtures — Test methods for hot mix asphalt — Part 5: Determination of the
maximum density
— EN 12697-6, Bituminous mixtures — Test methods for hot mix asphalt — Part 6: Determination of
bulk density of bituminous specimens
— EN 12697-7, Bituminous mixtures — Test methods for hot mix asphalt — Part 7: Determination of
bulk density of bituminous specimens by gamma rays
— EN 12697-8, Bituminous mixtures — Test methods for hot mix asphalt — Part 8: Determination of
void characteristics of bituminous specimens
— EN 12697-10, Bituminous mixtures —Test methods for hot mix asphalt — Part 10: Compactability
— EN 12697-11, Bituminous mixtures — Test methods for hot mix asphalt — Part 11: Determination of
the affinity between aggregate and bitumen
— EN 12697-12, Bituminous mixtures — Test methods for hot mix asphalt — Part 12: Determination of
the water sensitivity of bituminous specimens
— EN 12697-13, Bituminous mixtures — Test methods for hot mix asphalt — Part 13: Temperature
measurement
— EN 12697-14, Bituminous mixtures — Test methods for hot mix asphalt — Part 14: Water content
— EN 12697-15, Bituminous mixtures — Test methods for hot mix asphalt — Part 15: Determination of
the segregation sensitivity
— EN 12697-16, Bituminous mixtures — Test methods for hot mix asphalt — Part 16: Abrasion by
studded tyres
3
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— EN 12697-17, Bituminous mixtures — Test methods for hot mix asphalt — Part 17: Particle loss of
porous asphalt specimen
— EN 12697-18, Bituminous mixtures — Test methods — Part 18: Binder drainage
— EN 12697-19, Bituminous mixtures — Test methods for hot mix asphalt — Part 19: Permeability of
specimen
— EN 12697-20, Bituminous mixtures — Test methods for hot mix asphalt — Part 20: Indentation using
cube or cylindrical specimens (CY)
— EN 12697-21, Bituminous mixtures — Test methods for hot mix asphalt — Part 21: Indentation using
plate specimens
— EN 12697-22, Bituminous mixtures — Test methods for hot mix asphalt — Part 22: Wheel tracking
— EN 12697-23, Bituminous mixtures — Test methods for hot mix asphalt — Part 23: Determination of
the indirect tensile strength of bituminous specimens
— EN 12697-24, Bituminous mixtures — Test methods for hot mix asphalt — Part 24: Resistance to
fatigue
— EN 12697-25, Bituminous mixtures — Test methods for hot mix asphalt — Part 25: Cyclic
compression test
— EN 12697-26, Bituminous mixtures — Test methods for hot mix asphalt — Part 26: Stiffness
— EN 12697-27, Bituminous mixtures — Test methods for hot mix asphalt — Part 27: Sampling
— EN 12697-28, Bituminous mixtures — Test methods for hot mix asphalt — Part 28: Preparation of
samples for determining binder content, water content and grading
— EN 12697-29, Bituminous mixtures — Test method for hot mix asphalt — Part 29: Determination of
the dimensions of a bituminous specimen
— EN 12697-30, Bituminous mixtures — Test methods for hot mix asphalt — Part 30: Specimen
preparation by impact compactor
— EN 12697-31, Bituminous mixtures — Test methods for hot mix asphalt — Part 31: Specimen
preparation by gyratory compactor
— EN 12697-32, Bituminous mixtures — Test methods for hot mix asphalt — Part 32: Laboratory
compaction of bituminous mixtures by vibratory compactor
— EN 12697-33, Bituminous mixtures — Test methods for hot mix asphalt — Part 33: Specimen
prepared by roller compactor
— EN 12697-34, Bituminous mixtures — Test methods for hot mix asphalt — Part 34: Marshall test
— EN 12697-35, Bituminous mixtures — Test methods — Part 35: Laboratory mixing
— EN 12697-36, Bituminous mixtures — Test methods for hot mix asphalt — Part 36: Determination of
the thickness of a bituminous pavement
4
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— EN 12697-37, Bituminous mixtures — Test methods for hot mix asphalt — Part 37: Hot sand test for
the adhesivity of binder on precoated chippings for HRA
— EN 12697-38, Bituminous mixtures — Test methods for hot mix asphalt — Part 38: Common
equipment and calibration
— EN 12697-39, Bituminous mixtures — Test methods for hot mix asphalt — Part 39: Binder content by
ignition
— EN 12697-40, Bituminous mixtures — Test methods for hot mix asphalt — Part 40: In situ
drainability
— EN 12697-41, Bituminous mixtures — Test methods for hot mix asphalt — Part 41: Resistance to de-
icing fluids
— EN 12697-42, Bituminous mixtures — Test methods for hot mix asphalt — Part 42: Amount of foreign
matter in reclaimed asphalt
— EN 12697-43, Bituminous mixtures — Test methods for hot mix asphalt — Part 43: Resistance to fuel
— EN 12697-44, Bituminous mixtures — Test methods for hot mix asphalt — Part 44: Crack
propagation by semi-circular bending test
— EN 12697-45, Bituminous mixtures — Test methods for hot mix asphalt — Part 45: Saturation Ageing
Tensile Stiffness (SATS) conditioning test
— EN 12697-46, Bituminous mixtures — Test methods for hot mix asphalt — Part 46: Low temperature
cracking and properties by uniaxial tension tests
— EN 12697-47, Bituminous mixtures — Test methods for hot mix asphalt — Part 47: Determination of
the ash content of natural asphalts
— prEN 12697-48, Bituminous mixtures — Test methods for hot mix asphalt — Part 48: Interlayer
Bonding
— EN 12697-49, Bituminous mixtures — Test methods for hot mix asphalt — Part 49: Determination of
friction after polishing
— CEN/TS 12697-50, Bituminous mixtures — Test methods — Part 50: Resistance to scuffing
— CEN/TS 12697-51, Bituminous mixtures — Test methods — Part 51: Surface shear strength test
— CEN/TS 12697-52, Bituminous mixtures — Test methods — Part 52: Conditioning to address
oxidative ageing
— prEN 12697-53, Bituminous mixtures — Test methods — Part 53: Cohesion increase by spreadability-
meter method
According to the CEN/CENELEC Internal Regulations, the national standards organisations of the
following countries are bound to announce this Technical Specification: 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 the United Kingdom.
5
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CEN/TS 12697-51:2017 (E)
1 Scope
This Technical Specification describes a test method for measuring the surface shear strength for
airfield surface courses, which is a measure of the robustness of asphalt surface courses against
shearing. The surface shear strength will depend on the depth of the surface course together with the
properties of the surface course material. The binder course material and any bonding agent applied
between the two layers may have an influence on the test result for, in particular, ultra-thin surface
course.
NOTE The test was designed for use on airfield runways and taxiways.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated
references, the latest edition of the referenced document (including any amendments) applies.
EN 12697-27, Bituminous mixtures - Test methods - Part 27: Sampling
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
surface shear strength
torsional strength around the circumference of loading within the surface course and, possibly, a
combination of the rotational shear strength between layers of an asphalt pavement and the torsional
strength around the circumference of loading within the binder course
Note 1 to entry: The surface shear strength will depend on the thickness of the surface course together with the
properties of the surface course material, the binder course material and any bonding agent applied between the
two layers.
Note 2 to entry: The depth of the surface course will determine the extent to which the test measures the
rotational shear strength between layers of an asphalt pavement or the torsional strength around the
circumference of loading within the surface course. The greater the thickness, the less the test will measure
rotationa
...
SLOVENSKI STANDARD
kSIST-TS FprCEN/TS 12697-51:2015
01-februar-2015
Bitumenske zmesi - Preskusne metode - 51. del: Preskus strižne trdnosti površine
Bituminous mixtures - Test methods - Part 51: Surface shear strength test
Asphalt - Prüfverfahren - Teil 51: Scherfestigkeitsprüfung für Asphaltdecken
Mélanges bitumineux - Méthodes d'essai - Partie 51: Essai de résistance de liaison au
cisaillement
Ta slovenski standard je istoveten z: FprCEN/TS 12697-51
ICS:
93.080.20 Materiali za gradnjo cest Road construction materials
kSIST-TS FprCEN/TS 12697-51:2015 en,fr,de
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.
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kSIST-TS FprCEN/TS 12697-51:2015
TECHNICAL SPECIFICATION
FINAL DRAFT
FprCEN/TS 12697-51
SPÉCIFICATION TECHNIQUE
TECHNISCHE SPEZIFIKATION
December 2014
ICS
English Version
Bituminous mixtures - Test methods - Part 51: Surface shear
strength test
Mélanges bitumineux - Méthodes d'essai - Partie 51: Essai Asphalt - Prüfverfahren - Teil 51: Scherfestigkeitsprüfung
de résistance de liaison au cisaillement für Asphaltdecken
This draft Technical Specification is submitted to CEN members for formal vote. It has been drawn up by the Technical Committee CEN/TC
227.
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, Slovakia, Slovenia, Spain, Sweden, Switzerland, Turkey and United
Kingdom.
Recipients of this draft are invited to submit, with their comments, notification of any relevant patent rights of which they are aware and to
provide supporting documentation.
Warning : This document is not a Technical Specification. It is distributed for review and comments. It is subject to change without notice
and shall not be referred to as a Technical Specification.
EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION
EUROPÄISCHES KOMITEE FÜR NORMUNG
CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2014 CEN All rights of exploitation in any form and by any means reserved Ref. No. FprCEN/TS 12697-51:2014 E
worldwide for CEN national Members.
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FprCEN/TS 12697-51:2014 (E)
Contents Page
Foreword .3
1 Scope .4
2 Normative references .4
3 Terms and definitions .4
4 Principle .4
5 Apparatus .5
6 Materials .5
7 Procedure .6
7.1 Site .6
7.2 In situ procedure .6
7.3 Laboratory procedure .7
7.4 Conditioning procedure .8
8 Calculation and expression of results .8
9 Test report .9
10 Precision . 10
Annex A (informative) Examples of typical failure modes . 11
2
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kSIST-TS FprCEN/TS 12697-51:2015
FprCEN/TS 12697-51:2014 (E)
Foreword
This document (FprCEN/TS 12697-51:2014) has been prepared by Technical Committee CEN/TC 227 “Road
materials”, the secretariat of which is held by DIN.
This document is currently submitted to the Formal Vote.
3
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FprCEN/TS 12697-51:2014 (E)
1 Scope
This Technical Specification describes a test method for measuring the surface shear strength for airfield
surface courses, which is a measure of the robustness of asphalt surface courses against shearing. The
surface shear strength will depend on the depth of the surface course together with the properties of the
surface course material. The binder course material and any bonding agent applied between the two layers
may have an influence on the test result for, in particular, ultra-thin surface course.
NOTE The test was designed for use on airfield runways and taxiways.
2 Normative references
The following documents, in whole or in part, are normatively referenced in this document and are
indispensable for its application. For dated references, only the edition cited applies. For undated references,
the latest edition of the referenced document (including any amendments) applies.
EN 12697-27, Bituminous mixtures ― Test methods for hot mix asphalt ― Part 27: Sampling
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
surface shear strength
torsional strength around the circumference of loading within the surface course and, possibly, a combination
of the rotational shear strength between layers of an asphalt pavement and the torsional strength around the
circumference of loading within the binder course
Note 1 to entry: The surface shear strength will depend on the thickness of the surface course together with the
properties of the surface course material, the binder course material and any bonding agent applied between the two
layers.
Note 2 to entry: The depth of the surface course will determine the extent to which the test measures the rotational
shear strength between layers of an asphalt pavement or the torsional strength around the circumference of loading within
the surface course. The greater the thickness, the less the test will measure rotational shear strength between layers.
Note 3 to entry: If the thickness of the surface course is sufficiently shallow and the torsional strength of the binder
course is sufficiently less than that of the surface course, the failure plane could go through the binder course.
3.2
surface course
top layer of an asphalt pavement
3.3
binder course
layer below the surface course, irrespective of whether it was originally intended to be the binder course and
whether or not it is an asphalt layer
4 Principle
A 100 mm diameter plate is bonded to the surface course and rotated using a torque meter to determine the
torsional strength of the top layer and, in the case of ultra-thin surface courses, the rotational shear strength
between layers. The test can be carried out either in situ or in the laboratory using a nominal 200 mm
4
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kSIST-TS FprCEN/TS 12697-51:2015
FprCEN/TS 12697-51:2014 (E)
diameter core which may be subjected to curing conditions. The in situ test is done without the necessity to
core into the substrate. A curing procedure can be used to assess the effect of moisture in the development of
surface shear strength with time.
5 Apparatus
5.1 Torque meter, fitted with a reading gauge that indicates the maximum torque obtained. The device
shall be calibrated over a range of 0 Nm to 350 Nm with a scale accurate and readable to at least 10 Nm. The
device shall be fitted with a socket fitting allowing steel plates to be fitted and removed.
5.2 Metal plates, each having a diameter of (95 ± 5) mm and a thickness of (14 ± 2) mm. The plate shall
incorporate a fitting enabling it to be couples to the torque meter.
NOTE 1 Mild steel has been found suitable for the plate.
NOTE 2 Fittings of 12,7 mm and 19,05 mm have been found to be suitable for the fitting.
5.3 Thermometer, capable of measuring temperatures from room temperature to 100 °C, readable to
0,1 °C and accurate to 0,5 °C.
5.4 Steel rule, readable to 1 mm.
5.5 Callipers, for measurement of the diameter of the metal plate, if necessary.
5.6 Watch or timer, accurate and readable to 1 s.
5.7 Adaptors and extension rods (optional).
5.8 Core cutting apparatus, suitable for cutting 200 m diameter cores in bituminous and cementitious
materials (laboratory testing only).
NOTE Air cooled coring may be necessary for some mixtures.
5.9 Mould, for confining specimens (laboratory testing only).
5.10 Spirit level (laboratory testing only).
5.11 Oven or refrigerated incubator (laboratory testing and conditioning procedure only).
5.12 Water bath, of suitable size to accommodate at least one specimen and thermostatically controlled
such that a temperature of (20 ± 0,5) °C can be maintained (conditioning procedure only).
6 Materials
6.1 Adhesive of sufficient stiffness to avoid failure within the adhesive or at the interfaces between the
adhesive and the asphalt layers.
NOTE Rapid-setting epoxy resins have been found to be suitable. Polyester resins that are used for repair of a
variety of materials have also been found suitable as adhesive.
6.2 Mounting material, such as rapid-hardening mortar, concrete or grout (laboratory testing only).
5
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FprCEN/TS 12697-51:2014 (E)
7 Procedure
7.1 Site
The location to be tested, either in situ or where cores are to be taken for laboratory testing, shall be visually
uniform in texture and effectively free of detritus and oil deposits; if this is not the case, the visual appearance
shall be recorded.
7.2 In situ procedure
7.2.1 Use the adhesive agent to secure the metal plate to the surface, taking care to ensure that the plate is
...
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