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OBSI Panel Discussion

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OBSI Panel Discussion. OBSI Panel Discussion. Informal discussion and forum on OBSI measurement practices Updates on current activities Test findings related to measurement procedures Potential issues for discussion: ASTM SRTT test tires Data sampling strategies

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OBSI Panel Discussion

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  1. OBSI Panel Discussion

  2. OBSI Panel Discussion • Informal discussion and forum on OBSI measurement practices • Updates on current activities • Test findings related to measurement procedures • Potential issues for discussion: • ASTM SRTT test tires • Data sampling strategies • Hints on measurement practices • Thoughts on fixture design • Measurement problems, etc. • Initial presentations limited to 10 minutes

  3. OBSI Panel Discussion Contributors • Rob Rasmussen Transtec • Judy Rochat Volpe • Mia Waters WsDOT • Larry Scofield ACPA • Erwin Kohler UCD • Mariano Berrios FDOT • Roger Wayson UCF • Mike Staiano Staiano Eng • Paul Donavan I&R

  4. Dual Probe Configuration Installation

  5. Dual Probe Configuration

  6. ATSM Standard Reference Test Tire(SRTT) Goodyear Aquatred 3 Caltrans Test Tire P225/60R16 P205/70R15

  7. ATSM Standard Reference Test Tire(SRTT) P225/60R16 • To be constructed for 10 years • Interest from the ISO WG 33 Committee • Goodyear Aquatred 3 no longer available • Relatively high cost tire • Uniroyal Tiger Paw Brand, Michelin is the supplier

  8. Single Probe Configuration

  9. Single Probe Configuration with Windscreen

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