COST 334

Chapter 4Table 4.33 - Practical permanent deformation at surface without lateral wander(µm/cycle)Tyre configuration Struct. 1 Struct. 2 Struct. 3 Struct. 4295/60R22.5 (9.0 t / 8 bar) Dual 0.127 0.240 0.380 0.329295/60R22.5 (11.5 t / 10 bar) Dual 0.160 0.308 0.486 0.421295/80R22.5 (9.0 t / 7 bar) Dual 0.137 0.253 0.395 0.343315/80R22.5 (9.0 t / 6.5 bar) Dual 0.130 0.243 0.384 0.333315/80R22.5 (11.5 t / 8 bar) Dual 0.167 0.311 0.490 0.425385/65R22.5 (9.0 t / 10 bar) Single 0.230 0.467 0.721 0.637495/45R22.5 (9.0 t / 8 bar) Single 0.149 0.305 0.517 0.440495/45R22.5 (11.5 t / 10 bar) Single 0.191 0.389 0.660 0.563Table 4.34 - Practical permanent deformation at surface with the effect of lateralwander (µm/cycle)Tyre configuration Struct. 1 Struct. 2 Struct. 3 Struct. 4295/60R22.5 (9.0 t / 8 bar) Dual 0.088 0.187 0.317 0.268295/60R22.5 (11.5 t / 10 bar) Dual 0.114 0.240 0.404 0.342295/80R22.5 (9.0 t / 7 bar) Dual 0.092 0.193 0.322 0.272315/80R22.5 (9.0 t / 6.5 bar) Dual 0.089 0.188 0.319 0.269315/80R22.5 (11.5 t / 8 bar) Dual 0.115 0.241 0.407 0.343385/65R22.5 (9.0 t / 10 bar) Single 0.162 0.355 0.572 0.494495/45R22.5 (9.0 t / 8 bar) Single 0.114 0.262 0.451 0.381495/45R22.5 (11.5 t / 10 bar) Single 0.146 0.336 0.575 0.488Table 4.35 - Pavement wear ratios for primary rutting, including the effect of lateralwander, relative to 315/80R22.5 dual tyre at 11.5 t and 8 bar, on structure 2Tyre configuration Struct. 1 Struct. 2 Struct. 3 Struct. 4295/60R22.5 (9.0 t / 8 bar) Dual 0.37 0.78 1.32 1.11295/60R22.5 (11.5 t / 10 bar) Dual 0.47 1.00 1.68 1.42295/80R22.5 (9.0 t / 7 bar) Dual 0.38 0.80 1.34 1.13315/80R22.5 (9.0 t / 6.5 bar) Dual 0.37 0.78 1.32 1.12315/80R22.5 (11.5 t / 8 bar) Dual 0.48 1.00 1.69 1.42385/65R22.5 (9.0 t / 10 bar) Single 0.67 1.47 2.37 2.05495/45R22.5 (9.0 t / 8 bar) Single 0.47 1.09 1.87 1.58495/45R22.5 (11.5 t / 10 bar) Single 0.61 1.39 2.39 2.02version 29 November 200197