Projekta Nr.ISO 8349:2002
Nosaukums<p>This International Standard specifies test methods for determining the characteristic longitudinal friction force</p> <p>values of paved surfaces using either a standard reference test tyre or the tyre of a vehicle under test. General test</p> <p>procedures and their validity are presented for determining peak- and slide-braking coefficients on actual test</p> <p>surfaces, where the surface conditions are determined and controlled by the user at the time of testing. Test and</p> <p>test-surface condition documentation procedures and details are also specified.</p> <p>The purpose of this International Standard is to provide for the harmonization of results of testing on different test</p> <p>tracks. The values measured with standard reference test tyres (SRTT) are intended to form standard reference</p> <p>numbers indicating the friction properties of test tracks and road surfaces that are representative for passenger car</p> <p>tyres.</p> <p>Certain of the methods may also be suitable for measuring the friction properties for a specific test car tyre on the</p> <p>test track.</p> <p>The values quantify the peak-, near-peak or slide-braking coefficients at the time of test and do not necessarily</p> <p>represent fixed values.</p> <p>The values measured with reference tyres are intended as reference numbers indicating certain friction properties</p> <p>of test tracks and road surfaces.</p> <p>This International Standard does not purport to address all the safety problems associated with its use. It is the</p> <p>responsibility of the user to consult and establish appropriate safety and health practices and determine the</p> <p>applicability of regulatory limitations prior to use.</p> <p>NOTE 1 Friction is affected by many variables such as environmental conditions, usage, age and surface contamination.</p> <p>Measured values will change when any of these conditions significantly changes.</p> <p>NOTE 2 The measured braking coefficient values obtained with the procedures stated in this International Standard may not</p> <p>necessarily agree or correlate directly with those obtained by other surface coefficient measuring methods.</p>
Reģistrācijas numurs (WIID)25944
Darbības sfēra<p>This International Standard specifies test methods for determining the characteristic longitudinal friction force</p> <p>values of paved surfaces using either a standard reference test tyre or the tyre of a vehicle under test. General test</p> <p>procedures and their validity are presented for determining peak- and slide-braking coefficients on actual test</p> <p>surfaces, where the surface conditions are determined and controlled by the user at the time of testing. Test and</p> <p>test-surface condition documentation procedures and details are also specified.</p> <p>The purpose of this International Standard is to provide for the harmonization of results of testing on different test</p> <p>tracks. The values measured with standard reference test tyres (SRTT) are intended to form standard reference</p> <p>numbers indicating the friction properties of test tracks and road surfaces that are representative for passenger car</p> <p>tyres.</p> <p>Certain of the methods may also be suitable for measuring the friction properties for a specific test car tyre on the</p> <p>test track.</p> <p>The values quantify the peak-, near-peak or slide-braking coefficients at the time of test and do not necessarily</p> <p>represent fixed values.</p> <p>The values measured with reference tyres are intended as reference numbers indicating certain friction properties</p> <p>of test tracks and road surfaces.</p> <p>This International Standard does not purport to address all the safety problems associated with its use. It is the</p> <p>responsibility of the user to consult and establish appropriate safety and health practices and determine the</p> <p>applicability of regulatory limitations prior to use.</p> <p>NOTE 1 Friction is affected by many variables such as environmental conditions, usage, age and surface contamination.</p> <p>Measured values will change when any of these conditions significantly changes.</p> <p>NOTE 2 The measured braking coefficient values obtained with the procedures stated in this International Standard may not</p> <p>necessarily agree or correlate directly with those obtained by other surface coefficient measuring methods.</p>
StatussStandarts spēkā
ICS grupa43.020