1、Designation:E295513Standard Practice forSimulating Profilograph Response to Longitudinal Profilesof Traveled Surfaces1This standard is issued under the fixed designation E2955;the number immediately following the designation indicates the year oforiginal adoption or,in the case of revision,the year
2、of last revision.A number in parentheses indicates the year of last reapproval.Asuperscript epsilon()indicates an editorial change since the last revision or reapproval.1.Scope1.1 These practices cover the calculation of profilographresponse to longitudinal profiles of traveled surface roughness.1.2
3、 These practices utilize computer simulations to obtainprofilograph responses including:surface sensing wheel(re-cording wheel)vertical displacement,and reference platformwheels(supporting wheels)motions,as a function of distance.1.3 These practices present standard profilograph simula-tions for use
4、 in the calculations.1.4 The values stated in SI units are to be regarded asstandard.The values given in parentheses are for informationonly and are not considered standard.1.5 This standard does not purport to address all of thesafety concerns,if any,associated with its use.It is theresponsibility
5、of the user of this standard to establish appro-priate safety and health practices and determine the applica-bility of regulatory limitations prior to use.2.Referenced Documents2.1 ASTM Standards:2E950 Test Method for Measuring the Longitudinal Profile ofTraveled Surfaces with an Accelerometer Estab
6、lishedInertial Profiling ReferenceE1274 Test Method for Measuring Pavement RoughnessUsing a Profilograph3.Terminology3.1 See Test Method E1274.4.Summary of Practices4.1 These practices use a measured profile(see Test MethodE950)or a synthesized profile as part of a computer simulationto obtain the r
7、esponse of the surface sensing wheel of aprofilograph.The first practice uses a kinematic profilographsimulation model to obtain typical profilograph profiles as afunction of distance.The second practice obtains the verticaldisplacement of the surface sensing wheel using the surfacesensing wheel siz
8、e,supporting wheel locations,and the spacingbetween the supporting wheels.The output is the continuousvertical motion of the surface sensing wheel of the simulatedprofilograph for a predetermined distance.The units arerelative vertical movement(millimetres(inches)at longitudi-nal surface profile loc
9、ation(metres(feet).Pertinent informa-tion affecting the results must be noted.5.Significance and Use5.1 These practices provide a means for evaluating traveledsurface-roughness characteristics directly from a measuredprofile.The calculated output values represent profilographresponse to traveled sur
10、face roughness.5.2 These practices provide pavement surface profiles toevaluate pavement condition using the profilograph index.6.Apparatus6.1 ComputerThe computer is used to calculate the sur-face sensing wheel vertical displacement of a profilograph withtwelve reference platform wheels in response
11、 to a traveledsurface profile using a synthesized profile or a profile obtainedin accordance with Test Method E950 as the input.Filteringshall be provided to permit calculation(for example,butter-worth low pass or moving average low pass filters).6.2 Data-Storage DeviceA data-storage device shall be
12、provided for the reading of profiles and the recording andlong-term storage of computed data.Profile data shall be scaledto maintain a resolution of 0.025 mm(0.001 in.)and toaccommodate the full range of amplitudes encountered duringnormal profile-measuring operations.The device shall notcontribute
13、to the recorded data any noise amplitude larger than0.025 mm(0.001 in.).6.3 Simulation InputDigital profile recordings of pave-ment surface profiles shall be obtained in accordance with TestMethod E950 or synthesized.The profile must be recorded atintervals no greater than 30.48 mm(1.2 in.).When mor
14、e thanone path of a traveled surface is measured,the recorded profile1This practice is under the jurisdiction of ASTM Committee E17 on Vehicle-Pavement Systems and is the direct responsibility of Subcommittee E17.33 onMethodology for Analyzing Pavement Roughness.Current edition approved Dec.1,2013.P
15、ublished January 2014.DOI:10.1520/E2955-13.2For referenced ASTM standards,visit the ASTM website,www.astm.org,orcontact ASTM Customer Service at serviceastm.org.For Annual Book of ASTMStandards volume information,refer to the standards Document Summary page onthe ASTM website.Copyright ASTM Internat
16、ional,100 Barr Harbor Drive,PO Box C700,West Conshohocken,PA 19428-2959.United States1 data for the paths shall be at the same longitudinal locationalong the measured profiles to avoid phase shift between thepaths.The recorded profile shall include all of the noted fielddata described in the Procedure(Data Acquisition)and Reportsections of Test Method E950.The length of the pavementsurface profile must be reported with the results;however,caution must be exercised to ensure that transients in th