| Worn tyres validation testing logistical principles |
| Reference Number: WT-09-09 |
| Meeting Sessions: 9th WT session (5-6 Mar 2020) |
| Document date: 09 Mar 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Draft minutes of the 9th Work Tyres Working Group session |
| Reference Number: WT-09-11 |
| Meeting Sessions: 9th WT session (5-6 Mar 2020) |
| Document date: 11 Mar 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Worn tyres: Example of individual test report |
| Reference Number: WT-10-02 |
| Submitted by: JASIC |
| Meeting Sessions: 10th WT session (27 Apr 2020) |
| Document date: 09 Apr 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Worn tyres: Example of aggregated test report |
| Reference Number: WT-10-03 |
| Submitted by: JASIC |
| Meeting Sessions: 10th WT session (27 Apr 2020) |
| Document date: 09 Apr 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Draft agenda for the 10th Worn Tyres Working Group session |
| Reference Number: WT-10-01/Rev.1 |
| Meeting Sessions: 10th WT session (27 Apr 2020) |
| Document date: 23 Apr 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Worn tyres test program: Impact of COVID-19 for tyre logistics in Japan |
| Reference Number: WT-10-05 |
| Submitted by: JASIC |
| Meeting Sessions: 10th WT session (27 Apr 2020) |
| Document date: 27 Apr 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Worn tyres and roughness measurement |
| Reference Number: WT-10-04 |
|
Assessment of ISO 4287-1997 and ISO 25178-2016 (Part 1:2016 or 25178 series) regarding the reference standard for the roughness measurement. |
| Submitted by: Germany |
| Meeting Sessions: 10th WT session (27 Apr 2020) |
| Document date: 28 Apr 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Worn Tyres: Impact of COVID-19 on tyre industry and the informal group work plan |
| Reference Number: WT-10-06 |
| Meeting Sessions: 10th WT session (27 Apr 2020) |
| Document date: 27 Apr 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Status of worn tyres work plan as of 27 April |
| Reference Number: WT-10-07 |
| Meeting Sessions: 10th WT session (27 Apr 2020) |
| Document date: 27 Apr 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| UN R117: Worn tyre buffing method |
| Reference Number: WT-10-08 |
|
Tyre Industry preliminary worn tyre definition proposal with an updated proposal for the tyre buffing method. |
| Submitted by: ETRMA and ETRTO |
| Meeting Sessions: 10th WT session (27 Apr 2020) |
| Document date: 27 Apr 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Minutes of the 10th Worn Tyre Working Group session |
| Reference Number: WT-10-09 |
| Meeting Sessions: 10th WT session (27 Apr 2020) |
| Document date: 08 May 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Attendance list from the 10th Worn Tyres Working Group session |
| Reference Number: WT-10-10 |
| Meeting Sessions: 10th WT session (27 Apr 2020) |
| Document date: 08 May 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Draft agenda for the 11th Worn Tyres working group session |
| Reference Number: WT-11-01/Rev.1 |
| Meeting Sessions: 11th WT session (26 May 2020) |
| Document date: 25 May 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Worn tyres: Tread depth measurement locations SRTT 16’’ |
| Reference Number: WT-11-02 |
| Meeting Sessions: 11th WT session (26 May 2020) |
| Document date: 25 May 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Life Test Study on New tyres versus Worn tyres |
| Reference Number: WT-11-03 |
| Submitted by: UTAC |
| Meeting Sessions: 11th WT session (26 May 2020) |
| Document date: 25 May 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Minutes of the 11th Worn Tyres working group session |
| Reference Number: WT-11-07 |
| Meeting Sessions: 11th WT session (26 May 2020) |
| Document date: 02 Jun 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Worn tyres: UTAC aggregated test report |
| Reference Number: WT-11-05 |
| Submitted by: UTAC |
| Meeting Sessions: 11th WT session (26 May 2020) |
| Document date: 02 Jun 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Status of the Worn Tyres informal group work plan |
| Reference Number: WT-11-04 |
| Meeting Sessions: 11th WT session (26 May 2020) |
| Document date: 02 Jun 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Participants list from the 11th Worn Tyres working group session |
| Reference Number: WT-11-06 |
| Meeting Sessions: 11th WT session (26 May 2020) |
| Document date: 02 Jun 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Worn tyres working group testing and validation matrix |
| Reference Number: WT-08-04/Rev.2 |
|
Updated for the 12th WT working group session. |
| Meeting Sessions: 8th WT session (27-28 Jan 2020) and 12th WT session (22 Jun 2020) |
| Document date: 15 Jun 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| List of contact test centers |
| Reference Number: WT-09-04/Rev.3 |
|
Updated for the 12th Worn Tyres working group session. |
| Meeting Sessions: 9th WT session (5-6 Mar 2020) and 12th WT session (22 Jun 2020) |
| Document date: 15 Jun 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Worn tyres: Buffing procedures preliminary experience |
| Reference Number: WT-12-03 |
| Meeting Sessions: 12th WT session (22 Jun 2020) |
| Document date: 21 Jun 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Status of the Worn Tyres Working Group work plan as of 18 June |
| Reference Number: WT-12-02 |
| Meeting Sessions: 12th WT session (22 Jun 2020) |
| Document date: 21 Jun 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| Worn tyres: ETRTO response on question from IDIADA regarding tread depth measurement in shoulder zone |
| Reference Number: WT-12-04 |
| Submitted by: ETRTO |
| Meeting Sessions: 12th WT session (22 Jun 2020) |
| Document date: 21 Jun 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |
| IDIADA worn tyres aggregated testing report |
| Reference Number: WT-12-06 |
| Submitted by: IDIADA |
| Meeting Sessions: 12th WT session (22 Jun 2020) |
| Document date: 22 Jun 20 |
| Relevant to: UN Regulation No. 117 | Tire Rolling Sound Emissions, Adhesion on Wet Surfaces, and Rolling Resistance |
| Click here to view the full document file |