oSIST prEN 12697-53:2016

Bituminous mixtures - Test methods - Part 53: Cohesion increase by spreadability-meter method

The aim of the test is to determine the cohesion increase of a bituminous mixture in fixed temperature and hygrometry conditions, using a spreadability–meter.
This standard gives a method to measure the spreadability characteristics of asphalt which are able to vary with time.  It may be used for the determination of the delay between manufacturing and laying.  For emulsion-based asphalts and other cold mixtures (those mixed and laid at temperatures below 60 °C), the test method characterises the "pot-life" of the mixture, the time during which it is possible to spread it.  This time depends on a number of parameters (including the type and rate of emulsion, the type of aggregate and the type of grading curve) and is important for a client to be able to fix this time (minimal pot-life).  For other mixtures other than mastic asphalt, for which the test is not applicable, the test method is intended to be of assistance to the designer for mixture design rather than as a type test.
This European Standard applies to bituminous mixtures both those made up in laboratory and those resulting from work site sampling, with an upper aggregate size not larger than 31,5 mm.

Asphalt - Prüfverfahren - Teil 53: Kohäsionszunahmemessung durch Ausbreitmaßmethode

Mélanges bitumineux - Méthodes d'essai - Partie 53 : Montée en cohésion par la méthode du maniabilimètre

Bitumenske zmesi - Preskusne metode - 53. del: Povečanje kohezije z metodo merjenja razširjanja

General Information

• Status: Not Published
• Public Enquiry End Date: 14-Feb-2016
• ICS: 93.080.20 - Road construction materials
• Technical Committee: CES - Roads
• Current Stage: 98 - Abandoned project (Adopted Project)
• Start Date: 10-May-2017
• Due Date: 15-May-2017
• Completion Date: 10-May-2017
• Ref Project: prEN 12697-53 - Bituminous mixtures - Test methods - Part 53: Cohesion increase by spreadability-meter method

Overview

The oSIST prEN 12697-53:2016 standard, titled Bituminous mixtures - Test methods - Part 53: Cohesion increase by spreadability-meter method, is a European standard developed by CEN Technical Committee CEN/TC 227. It specifies a precise method to measure the cohesion increase of bituminous mixtures by using a spreadability-meter under controlled temperature and humidity conditions. This test method is essential for understanding the workability and pot-life of asphalt mixtures, particularly for emulsion-based and cold asphalt mixtures laid below 60 °C. The standard applies to both laboratory-made samples and those gathered from construction sites, with aggregate sizes up to 31.5 mm.

Key Topics

• Purpose and Scope

  • Measures the cohesion increase of bituminous mixtures by assessing shear resistance during piston movement in a mould.
  • Determines pot-life - the workable period during which asphalt can be effectively spread.
  • Applicable primarily to emulsion-based asphalts and cold mixtures.
  • Assists in mixture design, particularly for non-mastic asphalts where the test is not a type test.

• Equipment and Apparatus

  • Moulds: Two sizes, large (L=220 mm, W=300 mm, H=100 mm) and small (L=220 mm, W=150 mm, H=100 mm), for sample containment.
  • Spreadability-meter: Instrument comprising a piston moving at 10 mm/s to apply shear force; includes a force sensor and stainless steel plate aligned against the mould surface.
  • Filling shoot and discharge box: Facilitates precise and consistent filling of moulds with bituminous mixtures.
  • Steel straightedge: Ensures consistent thickness of mixture in the mould.
  • Climatic chamber or oven: Provides controlled environmental conditions at fixed temperature (±1 °C below 25 °C, ±5 °C above) and humidity settings (±10%) during curing.

• Testing Procedure

  • Multiple samples prepared and cured under fixed conditions.
  • Filling of moulds using either direct filling or the filling shoot with discharge box.
  • Striking off to standardized thickness before curing.
  • Shear force measurement during piston progression to quantify cohesion increase.
  • At least two tests per curing time for reliable results.

• Application Parameters

  • Temperature, humidity, curing time, mixture type, emulsion type and rate, aggregate type, and grading curves influence results.
  • Curing times vary based on the specific testing purpose and mixture characteristics.

Applications

• Asphalt Spreadability & Pot-Life Assessment

  • Critical for project planning to define maximum allowable delay between manufacturing and laying of asphalt mixtures.
  • Helps contractors and clients ensure mixtures retain sufficient cohesion for effective spreading and compaction before becoming unworkable.

• Cold and Emulsion-Based Asphalt Mixtures

  • Directly characterizes pot-life, aiding quality control and performance assurance of environmentally-friendly and energy-efficient cold mix asphalts.

• Mixture Design Optimization

  • Engineers can utilize the cohesion increase data to adjust formulation parameters, leading to improved workability without compromising structural properties.
  • Supports laboratory and field sample evaluation to verify compliance with paving specifications.

Related Standards

oSIST prEN 12697-53:2016 forms part of an extensive suite of European standards for bituminous mixtures testing, many of which complement its focus on mixture properties and performance:

• EN 12697-1 to EN 12697-52 – Covering soluble binder content, particle size, density, moisture sensitivity, temperature, abrasion resistance, and more.
• EN 12697-18 – Binder drainage test, evaluating binder loss during transport or laying.
• EN 12697-51 – Surface shear strength test, complementary to cohesion evaluation.
• EN 12697-30 to EN 12697-33 – Specimen preparation methods, important for consistent testing setups.
• EN 12697-14 – Water content measurement, a key factor affecting spreadability and pot-life.

Implementing oSIST prEN 12697-53:2016 alongside these standards helps ensure comprehensive characterization and quality control of bituminous mixtures in road construction and maintenance.

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Keywords: oSIST prEN 12697-53:2016, bituminous mixtures, cohesion increase, spreadability-meter, asphalt pot-life, cold asphalt mixtures, emulsion asphalt, bituminous mixture testing, road construction materials, asphalt workability, pavement mixture design, CEN asphalt standards.

Standards Content (Sample)

SLOVENSKI STANDARD
01-februar-2016
%LWXPHQVNH]PHVL3UHVNXVQHPHWRGHGHO3RYHþDQMHNRKH]LMH]PHWRGR
PHUMHQMDUD]ãLUMDQMD
Bituminous mixtures - Test methods - Part 53: Cohesion increase by spreadability-meter
method
Asphalt - Prüfverfahren - Teil 53: Kohäsionszunahmemessung durch
Ausbreitmaßmethode
Mélanges bitumineux - Méthodes d'essai - Partie 53 : Montée en cohésion par la
méthode du maniabilimètre
Ta slovenski standard je istoveten z: prEN 12697-53
ICS:
93.080.20 Materiali za gradnjo cest Road construction materials
2003-01.Slovenski inštitut za standardizacijo. Razmnoževanje celote ali delov tega standarda ni dovoljeno.

DRAFT
EUROPEAN STANDARD
NORME EUROPÉENNE
EUROPÄISCHE NORM
November 2015
ICS 93.080.20
English Version
Bituminous mixtures - Test methods - Part 53: Cohesion
increase by spreadability-meter method
Mélanges bitumineux - Méthodes d'essai - Partie 53 : Asphalt - Prüfverfahren - Teil 53:
Montée en cohésion par la méthode du maniabilimètre Kohäsionszunahmemessung durch
Ausbreitmaßmethode
This draft European Standard is submitted to CEN members for enquiry. It has been drawn up by the Technical Committee
CEN/TC 227.
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
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, 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 European Standard. It is distributed for review and comments. It is subject to change without
notice and shall not be referred to as a European Standard.

EUROPEAN COMMITTEE FOR STANDARDIZATION
COMITÉ EUROPÉEN DE NORMALISATION

EUROPÄISCHES KOMITEE FÜR NORMUNG

CEN-CENELEC Management Centre: Avenue Marnix 17, B-1000 Brussels
© 2015 CEN All rights of exploitation in any form and by any means reserved Ref. No. prEN 12697-53:2015 E
worldwide for CEN national Members.

Contents Page
European foreword . 3
1 Scope . 6
2 Principle . 6
3 Equipment . 6
3.1 Moulds . 6
3.1.1 General . 6
3.1.2 Large size moulds . 6
3.1.3 Small size moulds . 6
3.2 Spreadability-meter . 7
3.3 Filling shoot . 8
3.4 Steel straightedge for striking off . 9
3.5 Climatic chamber or oven . 9
4 Procedure. 9
4.1 Number of samples to be tested . 9
4.2 Filling the mould and curing . 9
4.2.1 Direct filling . 9
4.2.2 Filling using a filling shoot and a discharge box . 10
4.2.3 Striking off and curing the mixture . 10
4.3 Shear force measurement . 10
4.4 Expression of the results . 11
5 Precision . 11
6 Test report . 11
Bibliography . 13

European foreword
This document (prEN 12697-53:2015) 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 CEN Enquiry.
This document is one of a series of standards as listed below:
EN 12697-1, Bituminous mixtures — Test methods — 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 — 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 — Part 5: Determination of the maximum density
EN 12697-6, Bituminous mixtures — Test methods — Part 6: Determination of bulk density of bituminous
specimens
EN 12697-7, Bituminous mixtures — Test methods — Part 7: Determination of bulk density of bituminous
specimens by gamma rays
EN 12697-8, Bituminous mixtures — Test methods — Part 8: Determination of void characteristics of
bituminous specimens
EN 12697-10, Bituminous mixtures — Test methods — Part 10: Compactibility
EN 12697-11, Bituminous mixtures — Test methods — Part 11: Determination of the affinity between
aggregate and bitumen
EN 12697-12, Bituminous mixtures — Test methods — Part 12: Determination of the water sensitivity of
bituminous specimens
EN 12697-13, Bituminous mixtures — Test methods — Part 13: Temperature measurement
EN 12697-14, Bituminous mixtures — Test methods — Part 14: Water content
EN 12697-15, Bituminous mixtures — Test methods — Part 15: Determination of the segregation
sensitivity
EN 12697-16, Bituminous mixtures — Test methods — Part 16: Abrasion by studded tyres
EN 12697-17, Bituminous mixtures — Test methods — Part 17: Particle loss of porous asphalt specimen
1)
EN 12697-18, Bituminous mixtures — Test methods — Part 18: Binder drainage
EN 12697-19, Bituminous mixtures — Test methods — Part 19: Permeability of specimen

1)
In preparation
EN 12697-20, Bituminous mixtures — Test methods — Part 20: Indentation using cube or cylindrical
specimens
EN 12697-21, Bituminous mixtures — Test methods — Part 21: Indentation using plate specimens
EN 12697-22, Bituminous mixtures — Test methods — Part 22: Wheel tracking
EN 12697-23, Bituminous mixtures — Test methods — Part 23: Determination of the indirect tensile
strength of bituminous specimens
EN 12697-24, Bituminous mixtures — Test methods — Part 24: Resistance to fatigue
EN 12697-25, Bituminous mixtures — Test methods — Part 25: Cyclic compression test
EN 12697-26, Bituminous mixtures — Test methods — Part 26: Stiffness
EN 12697-27, Bituminous mixtures — Test methods — Part 27: Sampling
EN 12697-28, Bituminous mixtures — Test methods — Part 28: Preparation of samples for determining
binder content, water content and grading
EN 12697-29, Bituminous mixtures — Test method — Part 29: Determination of the dimensions of a
bituminous specimen
EN 12697-30, Bituminous mixtures — Test methods — Part 30: Specimen preparation by impact
compactor
EN 12697-31, Bituminous mixtures — Test methods — Part 31: Specimen preparation by gyratory
compactor
EN 12697-32, Bituminous mixtures — Test methods — Part 32: Laboratory compaction of bituminous
mixtures by vibratory compactor
EN 12697-33, Bituminous mixtures — Test methods — Part 33: Specimen prepared by roller compactor
EN 12697-34, Bituminous mixtures — Test methods — Part 34: Marshall test
EN 12697-35, Bituminous mixtures — Test methods — Part 35: Laboratory mixing
EN 12697-36, Bituminous mixtures — Test methods — Part 36: Determination of the thickness of a
bituminous pavement
EN 12697-37, Bituminous mixtures — Test methods — Part 37: Hot sand test for the adhesivity of binder
on precoated chippings for HRA
EN 12697-38, Bituminous mixtures — Test methods — Part 38: Common equipment and calibration
EN
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