Regulation No 117 of the Economic Commission for Europe of the United Nations... (42011X1123(03))
INHALT
Regulation No 117 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and to adhesion on wet surfaces and/or to rolling resistance
- Regulation No 117 of the Economic Commission for Europe of the United Nations (UN/ECE) — Uniform provisions concerning the approval of tyres with regard to rolling sound emissions and to adhesion on wet surfaces and/or to rolling resistance
- 1. SCOPE
- 2. DEFINITIONS
- 2.17. Wet Grip measurements – Specific definitions
- 2.18. Rolling resistance measurement – Specific definitions
- 2.18.1. Rolling resistance F
- r
- 2.18.2. Rolling resistance coefficient C
- r
- 2.18.3. New test tyre
- 2.18.4. Laboratory Control Tyre
- 2.18.5. Capped inflation
- 2.18.6. Parasitic loss
- 2.18.7. Skim test reading
- 2.18.8. Inertia or Moment of Inertia.
- 2.18.9. Measurement reproducibility σ
- m
- 3. APPLICATION FOR APPROVAL
- 4. MARKINGS
- 5. APPROVAL
- 6. SPECIFICATIONS
- 6.4.1. Tyre snow performance requirements
- 6.4.1.1. Class C1 and C2 tyres
- 7. MODIFICATIONS OF THE TYPE OF PNEUMATIC TYRE AND EXTENSION OF APPROVAL
- 8. CONFORMITY OF PRODUCTION
- 9. PENALTIES FOR NON-CONFORMITY OF PRODUCTION
- 10. PRODUCTION DEFINITELY DISCONTINUED
- 11. NAMES AND ADDRESSES OF TECHNICAL SERVICES RESPONSIBLE FOR CONDUCTING APPROVAL TESTS AND OF TYPE APPROVAL AUTHORITY
- 12. TRANSITIONAL PROVISIONS
- ANNEX 1
- COMMUNICATION
- (Maximum format: A4 (210 × 297 mm))
- ANNEX 2
- EXAMPLES OF APPROVAL MARKS
- Appendix 1
- ARRANGEMENTS OF APPROVAL MARKS
- (See paragraph 5.4 to this Regulation)
- Example 1
- Example 2
- Appendix 2
- APPROVAL ACCORDING TO REGULATION No 117 COINCIDENT WITH APPROVAL TO REGULATION No 30 OR 54
- (1)
- Example 1
- Example 2
- Example 3
- Example 4
- Appendix 3
- EXTENSIONS TO COMBINE APPROVALS ISSUED IN ACCORDANCE WITH REGULATION Nos 117, 30 OR 54
- (2)
- Example 1
- Example 2
- Appendix 4
- EXTENSIONS TO COMBINE APPROVALS ISSUED IN ACCORDANCE WITH REGULATION No 117
- (3)
- Example 1
- Example 2
- Example 3
- ANNEX 3
- COAST-BY TEST METHOD FOR MEASURING TYRE-ROLLING SOUND EMISSION
- 0. INTRODUCTION
- 1. MEASURING INSTRUMENTS
- 1.1. Acoustic measurements
- 1.1.1. Calibration
- 1.1.2. Compliance with requirements
- 1.1.3. Positioning of the microphone
- 1.2. Speed measurements
- 1.3. Temperature measurements
- 1.3.1. Air temperature
- 1.3.2. Test surface temperature
- 1.4. Wind measurement
- 2. CONDITIONS OF MEASUREMENT
- 2.1. Test site
- 2.2. Meteorological conditions
- 2.3. Ambient noise
- 2.4. Test vehicle requirements
- 2.4.1. General
- 2.4.2. Vehicle load
- 2.4.3. Wheelbase
- 2.4.4. Measures to minimise vehicle influence on sound level measurements
- 2.5. Tyres
- 2.5.1. General
- 2.5.2. Tyre loads
- 2.5.3. Tyre inflation pressure
- 2.5.4. Preparations prior to testing
- 3. METHOD OF TESTING
- 3.1. General conditions
- 3.2. Nature and number of measurements
- 3.3. Test speed range
- 4. INTERPRETATION OF RESULTS
- 4.1. Determination of test result
- 4.2. Regression analysis of rolling sound measurements
- 4.3. Temperature correction
- Figure 1
- Microphone positions for the measurement
- Appendix 1
- TEST REPORT
- Part 1 —
- Report
- Part 2 —
- Test data
- ANNEX 4
- SPECIFICATIONS FOR THE TEST SITE
- 1. INTRODUCTION
- 2. REQUIRED CHARACTERISTICS OF THE SURFACE
- 2.1. Residual voids content
- 2.2. Sound absorption coefficient
- 2.3. Texture depth
- 2.4. Homogeneity of the surface
- 2.5. Period of testing
- 3. TEST SURFACE DESIGN
- 3.1. Area
- Figure 1
- Minimum requirements for test surface area. The shaded part is called ‘Test Area’
- 3.2. Design and preparation of the surface
- 3.2.1. Basic design requirements
- 3.2.2. Design guidelines
- Figure 2
- Grading curve of the aggregate in the asphaltic mix with tolerances
- 4. TEST METHOD
- 4.1. Measurement of the residual voids content
- 4.2. Sound absorption coefficient
- 4.3. Volumetric macro-texture measurement
- 5. STABILITY IN TIME AND MAINTENANCE
- 5.1. Age influence
- 5.2. Maintenance of the surface
- 5.3. Repaving the test area
- 6. DOCUMENTATION OF THE TEST SURFACE AND OF TESTS PERFORMED ON IT
- 6.1. Documentation of the test surface
- 6.2. Documentation of vehicle noise tests conducted on the surface
- ANNEX 5
- TEST PROCEDURE FOR MEASURING WET GRIP
- 1. GENERAL TEST CONDITIONS
- 1.1. Track characteristics
- 1.1.1. Standard reference test tyre (SRTT) method
- 1.1.2. British pendulum number (BPN) method
- 1.2. Wetting conditions
- 2. TEST PROCEDURE
- 2.1. Trailer or special purpose tyre evaluation vehicle procedure
- 2.1.2. Test procedure
- 2.2. Standard vehicle procedure
- 2.2.2. Test procedure
- Appendix 1
- TEST REPORT (ADHESION ON WET SURFACE)
- Part 1 —
- Report
- Part 2 —
- Test data
- ANNEX 6
- TEST PROCEDURE FOR MEASURING ROLLING RESISTANCE
- 1. TEST METHODS
- 2. TEST EQUIPMENT
- 2.1. Drum specifications
- 2.1.1. Diameter
- 2.1.2. Surface
- 2.1.3. Width
- 2.2. Measuring rim
- 2.3. Load, alignment, control and instrumentation accuracies
- 2.4. Thermal environment
- 2.4.1. Reference conditions
- 2.4.2. Alternative conditions
- 2.4.3. Drum surface temperature.
- 3. TEST CONDITIONS
- 3.1. General
- 3.2. Test speeds
- 3.3. Test load
- 3.4. Test inflation pressure
- 3.5. Duration and speed
- 4. TEST PROCEDURE
- 4.1. General
- 4.2. Thermal conditioning
- 4.3. Pressure adjustment
- 4.4. Warm-up
- 4.5. Measurement and recording
- Figure 1
- 4.6. Measurement of parasitic losses
- 4.6.1. Skim test reading
- 4.6.2. Deceleration method
- 4.7. Allowance for machines exceeding σ
- m
- criterion
- 5. DATA INTERPRETATION
- 5.1. Determination of parasitic losses
- 5.1.1. General
- 5.1.2. Force method at tyre spindle
- 5.1.3. Torque method at drum axis
- 5.1.4. Power method at drum axis
- 5.1.5. Deceleration method
- 5.2. Rolling resistance calculation
- 5.2.1. General
- 5.2.2. Force method at tyre spindle
- 5.2.3. Torque method at drum axis
- 5.2.4. Power method at drum axis
- 5.2.5. Deceleration method
- 6. DATA ANALYSIS
- 6.1. Rolling resistance coefficient
- 6.2. Temperature correction
- 6.3. Drum diameter correction
- 6.4. Measurement result
- Appendix 1
- TEST EQUIPMENT TOLERANCES
- 1. PURPOSE
- 2. TEST RIMS
- 2.1. Width
- 2.2. Run-out
- 3. DRUM/TYRE ALIGNMENT
- 3.1. Load application
- 3.2. Tyre alignment
- 3.2.1. Camber angle
- 3.2.2. Slip angle
- 4. CONTROL ACCURACY
- 5. INSTRUMENTATION ACCURACY
- 6. COMPENSATION FOR LOAD/SPINDLE FORCE INTERACTION AND LOAD MISALIGNMENT FOR THE FORCE METHOD ONLY
- 7. TEST SURFACE ROUGHNESS
- Appendix 2
- MEASURING RIM WIDTH
- 1. CLASS C1 TYRES
- 2. CLASS C2 AND C3 TYRES
- Appendix 3
- TEST REPORT AND TEST DATA (ROLLING RESISTANCE)
- Part 1 —
- Report
- Part 2 —
- Test data
- ANNEX 7
- PROCEDURES FOR SNOW PERFORMANCE TESTING
- 1. SPECIFIC DEFINITIONS FOR SNOW TEST WHEN DIFFERENT OF EXISTING ONES
- 2. SPIN TRACTION METHOD FOR CLASS C1 AND C2 TYRES
- 3. BRAKING ON SNOW METHOD FOR CLASS C1 TYRES
- 3.1. General conditions
- 3.1.1. Test course
- 3.1.2. Vehicle
- 3.1.3. Tyres
- 3.1.4. Load and pressure
- 3.1.5. Instrumentation
- 3.2. Testing sequences
- 3.3. Test procedure
- 3.4. Data evaluation and presentation of results
- 3.4.1. Parameters to be reported
- 3.4.2. Statistical validations
- Appendix 1
- PICTOGRAM DEFINITION OF ‘ALPINE SYMBOL’
- Appendix 2
- TEST REPORTS AND TEST DATA
- Part 1 —
- Report
- Part 2 —
- Test data
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