1、BRITISH STANDARD BS ISO 13473-3:2002 Characterization of pavement texture by use of surface profiles Part 3: Specification and classification of profilometers ICS 17.140.30; 93.080.20 BS ISO 13473-3:2002 This British Standard, having been prepared under the direction of the Health and Environment Se
2、ctor Policy and Strategy Committee, was published under the authority of the Standards Policy and S t r a t e g y C o m m i t t e e o n 25 November 2002 BSI 25 November 2002 ISBN 0 580 40806 X National foreword This British Standard reproduces verbatim ISO 13473-3:2002 and implements it as the UK na
3、tional standard. The UK participation in its preparation was entrusted by Technical Committee EH/1, Acoustics, to Subcommittee EH/1/2, Transport noise, which has the responsibility to: A list of organizations represented on this subcommittee can be obtained on request to its secretary. Cross-referen
4、ces The British Standards which implement international publications referred to in this document may be found in the BSI Catalogue under the section entitled “International Standards Correspondence Index”, or by using the “Search” facility of the BSI Electronic Catalogue or of British Standards Onl
5、ine. This publication does not purport to include all the necessary provisions of a contract. Users are responsible for its correct application. Compliance with a British Standard does not of itself confer immunity from legal obligations. aid enquirers to understand the text; present to the responsi
6、ble international/European committee any enquiries on the interpretation, or proposals for change, and keep the UK interests informed; monitor related international and European developments and promulgate them in the UK. Summary of pages This document comprises a front cover, an inside front cover,
7、 the ISO title page, pages ii to v, a blank page, pages 1 to 12, an inside back cover and a back cover. The BSI copyright date displayed in this document indicates when the document was last issued. Amendments issued since publication Amd. No. Date CommentsINTERNATIONAL STANDARD ISO 13473-3 First ed
8、ition 2002-11-01 Reference number ISO 13473-3:2002(E) Characterization of pavement texture by use of surface profiles Part 3: Specification and classification of profilometers Caractrisation de la texture dun revtement de chausse partir de relevs de profils de la surface Partie 3: Spcification et cl
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14、ISO134733:2002iiOSI -374312002:3)E( ISO 2002 r llAithgs reservde iii Contents Page 1 Scope . 1 2 Normative reference . 1 3 Terms and definitions 1 4 General classes of profilometers for texture measurement 1 5 Types of measurements . 3 6 Specific performance requirements 3 7 Calibration 9 8 Reportin
15、g of specifications . 10 Annex A Calibration surfaces 11 Bibliography. 12 BSISO134733:2002iiiISO -37431:3)E(2002 vi ISO 2002 Ar llithgr seresvde Foreword ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies (ISO member bodies). The work of p
16、reparing International Standards is normally carried out through ISO technical committees. Each member body interested in a subject for which a technical committee has been established has the right to be represented on that committee. International organizations, governmental and non-governmental,
17、in liaison with ISO, also take part in the work. ISO collaborates closely with the International Electrotechnical Commission (IEC) on all matters of electrotechnical standardization. International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 3. Draft Inter
18、national Standards adopted by the technical committees are circulated to the member bodies for voting. Publication as an International Standard requires approval by at least 75 % of the member bodies casting a vote. Attention is drawn to the possibility that some of the elements of this part of ISO
19、13473 may be the subject of patent rights. ISO shall not be held responsible for identifying any or all such patent rights. International Standard ISO 13473-3 was prepared by Technical Committee ISO/TC 43, Acoustics, Subcommittee SC 1, Noise. ISO 13473 consists of the following parts, under the gene
20、ral title Characterization of pavement texture by use of surface profiles: Part 1: Determination of Mean Profile Depth Part 2: Terminology and basic requirements related to pavement texture profile analysis Part 3: Specification and classification of profilometers Annex A of this part of ISO 13473 i
21、s for information only. BSISO134733:2002ivOSI -374312002:3)E( ISO 2002 r llAithgs reservde v Introduction Profilometers have been used in research on surface characteristics of pavements on roads and airfields since the 60s and have recently also been applied to general pavement surveys. Although mo
22、st of the designs have been based on laser sensor technology, the principles of operation, measurement and analyses have been and are very different. This part of ISO 13473 is an attempt to facilitate the comparison of different profilometers and to specify requirements needed when they are applied
23、to pavement engineering. BSISO134733:2002vANRETNIITOTS LANDNADRA OSI -374312002:3)E( ISO 2002 r llAithgs reservde 1 Characterization of pavement texture by use of surface profiles Part 3: Specification and classification of profilometers 1 Scope This part of ISO 13473 specifies requirements for prof
24、ilometers used in pavement engineering in order to give meaningful and accurate measurement of pavement micro-, macro- and megatexture characteristics of paved road and airfield surfaces. It also includes schemes for the classification of such profilometers with respect to their use and overall accu
25、racy. The profilometers may be of any operational type. The scope of this part of ISO 13473 does not include profile analysis of machined surfaces. Also excluded from the scope is the profile analysis of road unevenness. NOTE 1 Profile analysis of machined surfaces is dealt with in other standards,
26、for example ISO 3274, ISO 4287, ISO 4288, ISO 5436-1, ISO 5436-2 and ISO 12085. NOTE 2 Profile analysis of road unevenness is dealt with in ISO 8608. NOTE 3 Throughout this part of ISO 13473, the use of the term “pavement” means “paved road or airfield surface”. 2 Normative reference The following n
27、ormative document contains provisions which, through reference in this text, constitute provisions of this part of ISO 13473. For dated references, subsequent amendments to, or revisions of, this publication do not apply. However, parties to agreements based on this part of ISO 13473 are encouraged
28、to investigate the possibility of applying the most recent edition of the normative document indicated below. For undated references, the latest edition of the normative document referred to applies. Members of ISO and IEC maintain registers of currently valid International Standards. ISO 13473-2:20
29、02, Characterization of pavement texture by use of surface profiles Part 2: Terminology and basic requirements related to pavement texture profile analysis 3 Terms and definitions For the purposes of this part of ISO 13473, the terms and definitions given in ISO 13473-2 apply. 4 General classes of p
30、rofilometers for texture measurement 4.1 Mobility The classes of profilometers with respect to mobility are as follows (see also Table 1). a) Mobile, high speed: Profilometers of this class are mounted on a vehicle and used at a driving speed of or more. Such profilometers do not normally disturb ot
31、her traffic. b) Mobile, low speed: Profilometers of this class are mounted on a vehicle and used at a driving speed of less than . Although such profilometers are truly mobile, on high-speed roads they are often a nuisance to other traffic. 60 km/h 60 km/h BSISO134733:20021ISO -37431:3)E(2002 2 ISO
32、2002 Ar llithgr seresvde c) Stationary, fast: Profilometers of this class are placed on the pavement each time a measurement is carried out, but are able to move fast enough in order not to require that the pavement section be closed for a short time. An example is a profilometer mounted on a traile
33、r or other vehicle which must be stopped during measurement but which, after some seconds, can move on to the next measuring location. Another example is a profilometer operating at walking speed. d) Stationary, slow: Profilometers of this class are placed on the pavement each time a measurement is
34、carried out, but operate so slowly that the pavement section must be closed to other traffic. 4.2 Texture wavelength range The classes of profilometers with respect to wavelength range classes are given in Table 2. The wavelengths are expressed as one-third-octave-band centre wavelengths and the per
35、formance shall pertain to the entire band in question. NOTE If, for example, a profilometer covers the range to , the range specification is written as wavelength range class CD; if it covers the range to , it is a wavelength range class BF profilometer. 4.3 Pavement contact Profilometers may be of
36、two types depending on whether or not the sensor contacts the pavement. a) Contact devices: The sensor makes contact with the measured surface. b) Contactless devices: The sensor makes no contact with the measured surface. 4.4 Principle of operation Profilometers may be based on different principles
37、 of operation, mainly pertaining to the type of sensor. The following list may not be complete, but it indicates the preferred terms for the most common principles in current use. a) Laser profilometer: A device utilizing an electro-optical sensor in which a laser beam is reflected against the pavem
38、ent, the spot of which is projected via optical lenses on a position-sensitive semiconductor transducer. The sensor is moved along the surface to be measured, resulting in an electrical output signal proportional to the height (elevation) of the laser spot on the surface as a function of distance. b
39、) Light-sectioning profilometer: A device utilizing either a narrow or an extended beam of light, creating on the pavement a thin line or an intensively illuminated band with sharp light edges. The light may be flashed with a very short exposure time or may shine continuously. A video camera monitor
40、s this light line or light edge from an angle in relation to the light beam. In the - output of the camera sensor, the profile is distinguishable as the transition between the light edges and the background. This device must not be moved during the time when the profile is sampled, because the profi
41、le trace will then be blurred. Table 1 Classes of profilometers with respect to mobility Fast Slow Mobile operating speed: operating speed: Stationary time on lane per single measurement: time on lane per single measurement: Table 2 Classes according to texture wavelength range Values in millimetres
42、 Wavelength range class ABCDEF Texture wavelength range covered 0,05 to 0,16 0,20 to 0,50 0,63 to 2,0 2,5 to 50 63 to 200 250 to 500 One-third-octave bands covered (centre wavelengths) 0,05; 0,063; 0,08; 0,10; 0,125; 0,16 0,20; 0,25; 0,315; 0,40; 0,50 0,63; 0,80; 1,0; 1,25; 1,6; 2,0 2,5; 3,15; 4; 5;
43、 6,3; 8; 10; 12,5; 16; 20; 25; 31,5; 40; 50 63; 80; 100; 125; 160; 200 250; 315; 400; 500 60 km/h 60 km/h 1 min 1 min 0,3 mm 100 mm 0,2 mm 500 mm xy BSISO134733:20022OSI -374312002:3)E( ISO 2002 r llAithgs reservde 3 c) Stylus profilometer: A device using a stylus (needle) which touches the pavement
44、 and which is mechanically connected to a displacement transducer. The latter may be of many different principles, but linear potentiometers or linear variable differential transformers (LVDT) are the most common. The sensor is moved or stepped along the surface to be measured, resulting in an elect
45、rical output signal proportional to the height (elevation) of the contact spot on the surface as a function of distance. d) Ultrasonic profilometer: A device utilizing an electro-acoustical sensor in which a beam of ultrasonic sound is transmitted to the pavement and reflected from it. A microphone
46、picks up the reflected sound, and the time between the transmitted and received ultrasound is calculated and transformed into a corresponding distance. The sensor is moved along the surface to be measured, resulting in an electrical output signal proportional to the height (elevation) of the ultraso
47、und-exposed spot on the surface as a function of distance. 5 Types of measurements Examples of the most common types of measurements and analyses that are made with profilometers are the following. a) General recording of profile curves: This can be made for simple illustration purposes or for quali
48、tative assessment of the texture. b) Measurement of mean profile depth (MPD): A method for the measurement of MPD is described in ISO 13473-1. The MPD is used to assess the skid resistance speed gradient characteristics (see reference 1 in the Bibliography). c) Measurement of profile amplitude distr
49、ibutions: See ISO 13473-2 for definitions. d) Other amplitude-related measurements from profile curves: Some profilometers provide r.m.s. values as an output. It is also possible to present skewness and kurtosis. See ISO 13473-2 for definitions. e) Texture spectrum measurement: Profile curves are often analysed in terms of their spectral content; this is most often expressed as octave or one-third-octave band textur
