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OBSI Panel Discussion

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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